Green Onyx Price Per Carat in Noida: A Buyer’s Guide

Exploring the green onyx price per carat in Noida reveals a fascinating market for this beautiful gemstone. If you’re a jewelry designer, collector, or individual seeking the unique charm of green onyx, understanding its valuation is key. This guide delves into the factors that influence the cost of green onyx per carat, specifically tailored for the Noida region in India. We aim to equip you with the knowledge needed to make informed purchasing decisions in 2026, ensuring you find the best value for your investment.

Noida, a rapidly developing urban center, offers a dynamic retail environment for gemstones. Whether you’re looking for statement pieces or subtle accents, green onyx provides a versatile and attractive option. This article will cover the essential aspects of green onyx pricing, from color intensity and clarity to cut and origin, providing a comprehensive overview for buyers navigating the Noida market. By understanding these elements, you can confidently select high-quality green onyx stones that meet your specific needs and budget.

Understanding Green Onyx

Green onyx is a variety of chalcedony, a cryptocrystalline form of silica, known for its beautiful green coloration. Unlike emeralds, which are natural minerals, green onyx is typically created by treating colorless onyx with specific dyes or through the use of natural green minerals that form inclusions within the chalcedony. This treatment process results in stones with vibrant and consistent green hues, ranging from light mint green to deep forest green. Its smooth, opaque to translucent appearance makes it a popular choice for jewelry, especially when a strong color statement is desired.

The term ‘onyx’ itself often refers to banded chalcedony, but in the context of single-colored stones like green onyx, it denotes a solid color within the chalcedony family. Its relative affordability, combined with its attractive appearance and durability (ranking 6.5-7 on the Mohs scale), makes it an accessible gemstone for various jewelry applications. In Noida’s bustling market, green onyx appeals to a broad spectrum of consumers looking for both classic and contemporary designs in 2026.

Natural vs. Treated Green Onyx

It is crucial to distinguish between naturally occurring green onyx and treated green onyx. While some rare green variations of chalcedony exist naturally, the majority of green onyx available in the market today is treated to achieve its color. Colorless onyx can be dyed or impregnated with green coloring agents to produce stones with vibrant, uniform shades. This treatment process is common and accepted in the gemstone industry, as it makes the stone more aesthetically pleasing and widely available. However, it is essential for sellers to disclose whether a stone has been treated.

The green onyx price per carat can differ based on whether the color is natural or treated. Naturally colored green onyx, if found in desirable shades and clarity, might command a higher price due to its rarity. However, well-executed treatments can produce stunning results that are often more uniform and visually appealing than their natural counterparts. For most buyers, treated green onyx offers excellent value and beauty, provided the treatment is disclosed and stable.

Onyx vs. Other Green Gemstones

When considering green gemstones, consumers often compare onyx with others like emerald, peridot, or green aventurine. Onyx offers a distinct advantage in terms of price point; it is significantly more affordable than emeralds, making it an accessible option for statement jewelry. While emeralds are prized for their natural origins and depth of color, they are also much softer and prone to inclusions. Green onyx, with its opaque to translucent quality and solid color, provides a different aesthetic—smoother, more consistent, and less prone to visible flaws.

Compared to peridot, which is known for its distinctive yellowish-green hue and good brilliance but is softer than onyx, or green aventurine, which is a quartz variety with sparkling inclusions (aventurescence), green onyx stands out for its solid, uniform color and waxy luster. For buyers in Noida seeking a deep, consistent green color at an affordable price point, green onyx is often the preferred choice.

Factors Affecting Green Onyx Price Per Carat in Noida

The green onyx price per carat is influenced by several key factors, which are relevant whether you are purchasing in Noida, Delhi, or any other major market in India. Understanding these elements will help you assess the value of the stones you encounter and make a sound investment. The primary drivers include the quality of the green color, the clarity of the stone, the precision of its cut, and its overall size or carat weight. Market demand and the reputation of the supplier also play a role.

For buyers in Noida, considering these factors is essential for navigating the gemstone market effectively. A stone that appears superficially attractive might have underlying issues that affect its long-term value. By paying close attention to the details outlined below, you can ensure that you are getting a high-quality green onyx stone that represents good value for your money in 2026.

Color Quality and Saturation

The green color is the most defining characteristic of green onyx, and its quality significantly impacts the price. Ideal green onyx exhibits a rich, vibrant, and uniform green hue. The saturation level—how intense the color is—is critical. Deep, well-saturated greens are generally more desirable and command higher prices than pale or washed-out shades. Uneven color distribution, streaks, or the presence of secondary hues (like brown or gray undertones) can detract from the stone’s appeal and lower its green onyx price per carat.

When evaluating color in Noida, look for stones that appear consistently green under various lighting conditions. A pleasant, rich green without distracting inclusions or color zoning will always be more valuable. Sellers often categorize stones by shade, so understanding terms like ’emerald green,’ ‘forest green,’ or ‘mint green’ can help in communicating your preferences.

Clarity and Transparency

Onyx is typically an opaque to translucent gemstone, meaning light does not pass through it easily. Clarity assessment for onyx focuses on the presence of any visible blemishes, fractures, or inclusions that might detract from its appearance or structural integrity. While some minor internal characteristics are acceptable due to the nature of chalcedony, excessive flaws can significantly reduce the stone’s value and durability. A clean, smooth surface and consistent texture are desirable.

For green onyx, the level of transparency also plays a role. While most are opaque, some slightly translucent stones might be preferred for certain jewelry designs, particularly if they allow light to interact with the color in an interesting way. The absence of distracting inclusions or cracks is paramount for maintaining the stone’s aesthetic appeal and ensuring its longevity. In Noida, buyers should look for stones that appear free from obvious flaws that compromise their beauty.

Cut and Finish

The cut of a gemstone refers to its shape and the arrangement of its facets. For opaque stones like onyx, the cut primarily influences the stone’s overall shape, proportions, and surface finish. Common cuts for green onyx include cabochons (smooth, rounded domed shapes), ovals, rounds, squares, and rectangles, often with flat backs. A well-executed cabochon cut can enhance the stone’s luster and color depth, while precisely faceted cuts can create sharp edges and a polished appearance.

The finish is also critical; a smooth, highly polished surface will enhance the stone’s natural luster and prevent it from looking dull or chalky. Scratches, uneven faceting, or a poor polish can significantly decrease the value. When assessing the green onyx price per carat, consider the quality of the cut and finish. A stone that is beautifully shaped and polished will look far more appealing and command a higher price.

Carat Weight and Size

Like most gemstones, the price per carat for green onyx generally increases with size. Larger stones are rarer, and thus more valuable. However, the price increase is not always linear; a 10-carat stone might cost more than ten times the price of a 1-carat stone of similar quality, due to the scarcity of larger, high-quality rough material. In Noida, as in other markets, buyers looking for larger pieces will typically expect to pay a premium per carat.

When considering carat weight, it’s also important to think about the intended use. For delicate jewelry, smaller stones might be more appropriate, while statement pieces may require larger, more impactful gems. The relationship between carat weight and visual size can also vary depending on the cut. For example, a flatter cut might make a stone appear larger than a deeply cut stone of the same carat weight.

Origin and Supplier Reputation

The origin of the green onyx can sometimes influence its price, particularly if certain mining locations are known for producing stones of exceptional quality or unique characteristics. However, since much of the green onyx available is treated, the origin of the rough material might be less critical than the reputation of the entity that performed the treatment and cutting. Suppliers who are known for their ethical practices, transparency, and consistent quality tend to command slightly higher prices but offer greater buyer confidence.

In Noida, choosing a reputable supplier—whether a well-established jeweler or a trusted gem dealer—is paramount. A supplier with a good track record is more likely to provide accurate information about the stone’s origin, treatments, and quality, ensuring you receive genuine green onyx at a fair green onyx price per carat. Always ask for details about the stone’s origin and treatment.

How to Choose the Right Green Onyx in Noida

Selecting the perfect green onyx in Noida requires a discerning eye and a clear understanding of what constitutes quality in this gemstone. Given its wide availability and affordability, it’s essential to focus on the aspects that truly matter for beauty and value. Start by defining your needs: are you looking for a specific shade of green, a particular size for a piece of jewelry, or a certain level of polish and finish? Having a clear objective will streamline your search.

It’s also crucial to buy from reputable sources. Whether you choose a well-known jewelry store in Noida, a specialized gemstone dealer, or a trusted online vendor, always prioritize transparency and authenticity. Don’t hesitate to ask questions about the stone’s origin, treatment methods, and grading. Inspecting the stone carefully, preferably under good lighting, and comparing options will help you make an informed decision. This guide provides practical tips for selecting high-quality green onyx.

Evaluating Color Consistency

As discussed, color is paramount for green onyx. Look for a uniform green hue throughout the stone. Avoid stones with noticeable streaks, blotches, or significant variations in color intensity. While slight natural variations might occur even in treated stones, the overall appearance should be pleasing and consistent. Hold the stone up to the light and rotate it to check for uniformity. If you’re buying for a specific piece of jewelry, ensure the color complements the metal setting (e.g., silver or white gold often pair well with green onyx).

When you’re in Noida, take advantage of the opportunity to compare multiple stones side-by-side. This will help you develop a better sense of what constitutes a desirable green shade and saturation for your preferences.

Checking for Flaws

Since onyx is typically opaque, clarity is judged differently than for transparent gemstones. Focus on the surface and any visible internal characteristics. Look for stones that are free from deep scratches, chips, or significant inclusions that compromise the overall appearance or structural integrity. Minor surface abrasions might be acceptable, especially if the price reflects them, but avoid stones with cracks or large internal flaws.

For cabochon cuts, ensure the dome is smooth and evenly shaped. For faceted stones, check that the facets are clean and well-defined. A stone that looks clean and feels smooth to the touch generally indicates better quality. Remember that even affordable gemstones should be free from distracting imperfections.

Assessing the Cut and Finish Quality

The cut and finish directly impact how light interacts with the stone’s surface and how it presents aesthetically. For cabochons, the dome should be smooth, symmetrical, and well-proportioned. The polish should be high, giving the stone a lustrous sheen. For faceted cuts, ensure the facets are sharp, well-aligned, and the overall shape is pleasing. A good finish will make the green onyx look more vibrant and appealing, enhancing its natural luster.

Pay attention to the edges of faceted stones; they should be crisp and clean. A poorly finished stone might look dull or have an uneven surface. When evaluating the green onyx price per carat, the quality of the cut and finish should be a significant consideration, as it greatly affects the stone’s final appearance.

Determining Size and Shape Appropriateness

The choice of size and shape often depends on the intended jewelry piece. For earrings, smaller, matched pairs might be needed. For pendants or rings, a single, larger stone might be preferred. Consider the overall design you envision. Popular shapes include oval, round, cushion, and square cuts, as well as cabochons. Ensure the chosen shape and size are proportionate to where it will be set and how it will be worn.

For instance, a large, prominent stone might be ideal for a statement ring, while smaller, more delicate stones might be better suited for bracelets or earrings. Discuss your jewelry design plans with the seller in Noida; they can often offer advice on suitable shapes and sizes.

Verifying Authenticity and Treatments

It is crucial to confirm that the green onyx you are purchasing is indeed treated onyx and not a synthetic material or a mislabeled gemstone. Always ask the seller about the treatment process used to achieve the green color. Reputable dealers will be transparent about this information. While formal certification for treated onyx might be less common than for precious gems like diamonds or emeralds, a trustworthy seller should provide a statement of authenticity and treatment disclosure.

If you are making a significant purchase, consider consulting with an independent gemologist to verify the stone’s authenticity and quality. This is especially important if you are buying from a less familiar source. Ensuring authenticity protects your investment and guarantees you are getting genuine green onyx.

Benefits of Green Onyx in Jewelry

Green onyx offers a unique set of advantages that make it a highly desirable gemstone for jewelry creation and personal adornment. Its appeal lies not only in its attractive appearance but also in its practical qualities and affordability. For designers and consumers alike, green onyx provides a versatile canvas for expressing style and creativity. The gemstone’s rich green color, combined with its smooth texture and opaque quality, lends itself to a wide range of aesthetic possibilities, from classic elegance to bold, contemporary statements.

In the vibrant market of Noida, green onyx stands out as an accessible yet striking choice. Its benefits extend beyond mere aesthetics, encompassing durability, ethical considerations, and cost-effectiveness. By understanding these advantages, buyers can appreciate why green onyx continues to be a popular and practical option for jewelry enthusiasts in 2026 and beyond.

• Vibrant and Consistent Color: Treated green onyx offers a rich, uniform green hue that is highly appealing. Unlike some natural gemstones that can have inconsistent color zoning or secondary tones, treated onyx provides a reliable and striking color.
• Affordability: Green onyx is significantly more affordable than precious green gemstones like emeralds. This allows buyers to acquire beautiful, large pieces of jewelry without a prohibitive cost, making it accessible for a wider audience.
• Good Durability: Ranking 6.5-7 on the Mohs hardness scale, onyx is reasonably durable for everyday wear, especially in protective settings like rings or pendants. It is resistant to common scratches and abrasions, ensuring longevity.
• Versatile Aesthetic: Its opaque quality and smooth luster make it suitable for various jewelry styles. It pairs well with different metal types, including silver, white gold, and yellow gold, offering design flexibility.
• Smooth Texture and Finish: Onyx is often cut into smooth cabochons or polished faceted shapes, providing a pleasant tactile experience and a sophisticated visual appeal. Its waxy luster adds a subtle elegance.
• Hypoallergenic Potential: While the metal setting is a primary factor for allergies, the gemstone itself is generally inert and unlikely to cause reactions, making it suitable for sensitive individuals when set appropriately.
• Ethical Sourcing: As onyx is widely available and often treated, it generally avoids the ethical concerns associated with conflict minerals or exploitative mining practices sometimes linked to rarer gemstones.

These combined benefits make green onyx a practical and aesthetically pleasing choice for jewelry lovers in Noida, offering beauty and value without compromise.

Top Green Onyx Options in Noida (2026)

Noida, being a significant commercial and residential hub in the Delhi NCR region, offers a diverse array of options for purchasing green onyx. From established jewelry retailers to specialized gemstone dealers and online platforms, buyers have plenty of choices. The key is to identify sources that prioritize quality, transparency, and fair pricing. For those seeking reliable options in 2026, here are some avenues to explore:

Maiyam Group, while primarily known for industrial minerals and precious metals, engages in the trading of various commodities. Their expertise in mineral sourcing ensures a commitment to quality standards. While they may not specialize in cut gemstones like onyx, their network and industry standing suggest a focus on verifiable quality for any traded materials. Exploring options with them might lead to sourcing high-quality rough or even cut stones through their established supply chains.

When looking for green onyx specifically in Noida, consider jewelers who also deal in semi-precious stones, dedicated gemstone stores, and well-regarded online marketplaces. Always inquire about the origin, treatment, and quality of the stones to ensure you are getting the best value.

1. Maiyam Group

Maiyam Group leads DR Congo’s mineral trade industry, specializing in strategic minerals and commodities. Their operations focus on ethical sourcing and quality assurance, connecting global markets with Africa’s abundant geological resources. While their primary product range includes base metals, industrial minerals, and precious metals, their expertise in mineral trading suggests a commitment to quality and transparency across their portfolio. For buyers in Noida seeking reliable sourcing, their industry recognition and adherence to international trade standards are indicative of a trustworthy partner for mineral commodities.

Maiyam Group provides a broad spectrum of minerals, including industrial minerals crucial for manufacturing. Their commitment to certified quality assurance and streamlined logistics management ensures that clients receive consistent supply and reliable products. While they might not be a direct retailer of cut green onyx, their role as a premier dealer in the mineral trade signifies a deep understanding of material sourcing and quality control, which is invaluable for any gemstone acquisition.

2. Established Jewelry Stores in Noida

Noida boasts numerous well-established jewelry stores, many of which carry a selection of semi-precious gemstones alongside precious metals and stones. These retailers often have decades of experience and a reputation for quality and authenticity. They typically offer green onyx in various cuts and settings, catering to diverse customer preferences. Purchasing from such stores provides the advantage of seeing the stones in person, discussing your needs with knowledgeable staff, and receiving clear pricing and authenticity guarantees.

Many of these jewelers also offer custom design services, allowing you to incorporate green onyx into bespoke pieces of jewelry. Look for stores that clearly label their gemstones, provide details about treatments, and offer certification where applicable. Their established presence in Noida ensures accountability and customer support.

3. Specialized Gemstone Dealers in Delhi NCR

The broader Delhi National Capital Region (NCR), including areas near Noida, is home to specialized gemstone dealers and wholesalers. These dealers often source directly from mines or cutting centers, potentially offering a wider variety and more competitive pricing than general jewelry stores. They cater to both retail customers and other businesses, including jewelry designers and manufacturers. Visiting these dealers can provide access to a broader range of green onyx qualities, sizes, and cuts.

When dealing with specialized dealers, it’s particularly important to verify their credentials and the authenticity of their stones. Inquire about treatments and ask for any available documentation. Building a relationship with a trusted dealer can be beneficial for future purchases, providing access to unique materials and expert advice.

4. Online Marketplaces and Retailers

Online platforms offer unparalleled convenience and a vast selection of green onyx. Numerous e-commerce sites and specialized gemstone retailers operate online, providing detailed product descriptions, high-resolution images, and often, grading information or certifications. For buyers in Noida, online shopping provides access to a global market, allowing for price comparisons and the discovery of unique pieces that might not be available locally. Many reputable online sellers offer secure payment options and return policies, mitigating risks.

When shopping online, always research the seller’s reputation, read customer reviews, and ensure they provide clear information about the gemstone’s origin and treatments. Look for sellers who offer certifications from recognized gemological laboratories or provide detailed descriptions of their quality standards. This approach helps ensure you receive genuine, high-quality green onyx.

Average Green Onyx Price Per Carat in India

The green onyx price per carat in India, including Noida, is remarkably accessible, making it a popular choice for jewelry designers and consumers looking for beautiful green gemstones without the high cost of emeralds. Generally, prices for treated green onyx are quite modest, making it an excellent value proposition. The specific cost depends heavily on the quality factors discussed earlier: color saturation and uniformity, clarity (lack of distracting flaws), the quality of the cut and finish, and the size of the stone.

For buyers in Noida seeking the best value, understanding these variables is key. While prices can fluctuate based on market demand and supplier margins, green onyx typically offers a consistent and affordable option for adding a touch of green elegance to jewelry. In 2026, these favorable pricing trends are expected to continue, making green onyx a smart choice for various applications.

Factors Influencing Price Variation

Several factors contribute to the variation in the green onyx price per carat:

• Color Quality: Deep, vibrant, and evenly saturated green stones command higher prices than pale or unevenly colored ones.
• Clarity: Stones free from significant inclusions, cracks, or blemishes are more valuable.
• Cut and Finish: Precisely cut and highly polished stones look more appealing and cost more. Cabochons are generally less expensive than faceted cuts, assuming similar quality.
• Size: Larger stones are rarer and thus have a higher price per carat.
• Origin/Supplier: Reputable suppliers who guarantee authenticity and quality may charge slightly more.
• Treatment Disclosure: Transparent sellers who clearly state treatments are often preferred, influencing perceived value.

When comparing prices in Noida, always ensure you are comparing stones with similar characteristics.

Typical Price Ranges

In the Indian market, including Noida, the green onyx price per carat typically falls within a very accessible range. For good quality treated green onyx:

• Small stones (e.g., 1-5 carats): Prices can range from approximately ₹30 to ₹150 per carat.
• Medium stones (e.g., 5-15 carats): Prices might range from ₹70 to ₹300 per carat.
• Larger stones (e.g., 15+ carats): Prices could go from ₹150 to ₹500+ per carat, with exceptional quality larger stones reaching higher figures.

These are approximate figures and can vary significantly. For instance, a perfectly cut, deeply colored, large stone from a premium supplier could be at the higher end or even exceed these ranges, while lower-quality stones will be at the lower end.

Tips for Maximizing Value

To get the best value for your money when buying green onyx in Noida:

• Focus on Color and Finish: Since price is often driven by visual appeal, prioritize stones with a beautiful, uniform green color and a smooth, lustrous finish.
• Buy from Reputable Sources: Establish trust with your seller; they can guide you toward quality stones and fair pricing.
• Compare Prices: Get quotes from several vendors for stones of similar size and quality.
• Inspect Carefully: Always examine the stone thoroughly, looking for any flaws that might detract from its beauty or durability.
• Consider the Cut: Choose a cut that complements the stone’s color and your intended jewelry design. Cabochons are often excellent for showcasing solid color.

By following these tips, you can ensure that you acquire beautiful green onyx that offers excellent value for your investment in Noida.

Common Mistakes to Avoid with Green Onyx

Green onyx is a beautiful and affordable gemstone, but like any purchase, there are potential pitfalls to avoid. Being aware of common mistakes can help you make a more satisfying acquisition. One of the most frequent errors is not understanding the difference between natural and treated onyx. While treated onyx is common and acceptable, buyers should always be informed about the treatment process. Purchasing treated stones without disclosure, or assuming they are natural and therefore more valuable, can lead to disappointment.

Another mistake is overlooking the importance of cut and finish quality. Even with a great color, a poorly cut or finished stone will lack luster and appeal. Furthermore, focusing solely on carat weight without considering color and clarity can result in owning a large but aesthetically unimpressive stone. Buyers in Noida should be diligent in inspecting stones and questioning sellers to ensure they are making an informed purchase. Avoiding these common errors will lead to a more rewarding experience.

1. Assuming All Green Onyx is Natural: Mistake: Believing the green color is always naturally occurring. Why it’s problematic: Most green onyx is dyed or treated, and buyers might pay a premium assuming rarity. How to avoid: Always ask sellers to disclose if the color is natural or treated. Reputable dealers will be transparent.
2. Ignoring Cut and Finish Quality: Mistake: Focusing only on color and size. Why it’s problematic: A poor cut or finish results in a dull appearance and reduced luster, diminishing the stone’s beauty. How to avoid: Inspect the surface for smoothness, polish, and well-defined edges. Ensure the shape is symmetrical and pleasing.
3. Overemphasizing Carat Weight: Mistake: Prioritizing size over other quality factors. Why it’s problematic: A large but poorly colored or flawed stone is less valuable and attractive than a smaller, high-quality one. How to avoid: Balance carat weight with color saturation, clarity, and cut quality for the best overall appearance.
4. Buying from Unverified Sources: Mistake: Purchasing from unknown vendors without checking their reputation. Why it’s problematic: Risk of receiving misrepresented stones, imitations, or stones of very low quality. How to avoid: Stick to established jewelers, trusted gemstone dealers in Noida, or reputable online platforms with clear policies.
5. Not Inquiring About Treatments: Mistake: Failing to ask about color enhancement processes. Why it’s problematic: Understanding the treatment helps in assessing stability and value. Some older treatments might be less durable. How to avoid: Ask direct questions about dyeing, impregnation, or any other treatments used.
6. Misjudging Durability: Mistake: Treating onyx as exceptionally hard or brittle. Why it’s problematic: While reasonably durable (6.5-7 Mohs), it can still chip or scratch if not cared for properly, especially compared to harder gems. How to avoid: Store jewelry carefully, avoid harsh chemicals, and consider protective settings for rings.
7. Confusing Onyx with Other Green Gems: Mistake: Expecting the same properties or price as emeralds or peridots. Why it’s problematic: Onyx has different characteristics (opacity, hardness, price) and should be valued accordingly. How to avoid: Understand the unique properties of each gemstone before making a comparison.

By being aware of these common mistakes, consumers in Noida can confidently select beautiful and valuable green onyx pieces.

Frequently Asked Questions About Green Onyx

Conclusion: Choosing Your Green Onyx in Noida

In conclusion, green onyx presents a compelling choice for jewelry enthusiasts in Noida, offering a beautiful green hue, good durability, and exceptional affordability. Understanding the factors that influence its green onyx price per carat—from color saturation and clarity to cut quality and supplier reputation—is essential for making a wise purchase in 2026. Whether you opt for a vibrant, smooth cabochon or a precisely faceted stone, green onyx provides a versatile and accessible way to incorporate the allure of green into your personal style.

Noida’s dynamic market, coupled with the broader availability of quality gemstones in India, ensures that buyers have access to a wide range of options. By prioritizing reputable sellers, asking informed questions about treatments and authenticity, and focusing on the overall aesthetic appeal of the stone, you can confidently select green onyx that offers excellent value. Whether for everyday wear or special occasions, green onyx remains a beloved gemstone that beautifully combines visual appeal with practical benefits, making it a smart addition to any jewelry collection.

Key Takeaways:

• Green onyx offers a beautiful, affordable green gemstone option, typically treated for color.
• Price per carat depends on color quality, clarity, cut, size, and supplier reputation.
• Reputable sources in Noida, including established jewelers and online platforms, are recommended for authentic purchases.
• Always inquire about treatments and inspect the stone carefully for color consistency and finish.

Ready to find your perfect green onyx? Explore trusted dealers in Noida or online for authentic, beautifully colored stones that fit your budget and style!