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4 Carat Diamond Price & Ratti | Singapore Gems (2026)

Understanding 4 Carat Diamond Price in Ratti, Singapore

4 carat diamond price in ratti is a crucial consideration for discerning buyers in Singapore seeking significant value and beauty. While carats are the standard unit of weight for diamonds globally, understanding their equivalent in ‘ratti’ – an ancient Indian unit of measurement – can offer a different perspective, especially within certain market segments. Maiyam Group, a premier dealer in strategic minerals and commodities, navigates these complexities to provide clients with exceptional diamonds and expert insights. This guide explores the factors influencing a 4 carat diamond’s price, its conversion to ratti, and what buyers in Singapore can expect in 2026.

Delving into the world of large diamonds requires knowledge of their grading, market trends, and valuation metrics. Whether you’re considering a 4 carat diamond for investment or a special piece of jewelry, understanding its price per carat and its representation in ratti is essential. We will cover the ‘4 Cs’ – Cut, Color, Clarity, and Carat – that dictate value, discuss the significance of ratti, and highlight how Maiyam Group ensures quality and ethical sourcing for all its diamonds, providing clarity for Singaporean buyers.

What is a Carat and What is a Ratti?

A carat is the international standard unit of mass for gemstones, equivalent to 0.2 grams. Therefore, a 1 carat diamond weighs exactly 0.2 grams. A 4 carat diamond weighs approximately 0.8 grams. The price of a diamond typically increases exponentially with carat weight, meaning a 4 carat diamond will cost significantly more than four 1 carat diamonds of equivalent quality. This is due to the rarity of finding larger, high-quality diamonds.

The Ratti Measurement

The ‘ratti’ is a traditional unit of weight historically used in India for weighing precious stones and metals. While its exact weight can vary slightly by region, a commonly accepted conversion is that 1 carat is equivalent to approximately 1.8 ratti. Therefore, a 4 carat diamond would be approximately 4 carats * 1.8 ratti/carat = 7.2 ratti. Understanding this conversion is particularly useful when dealing with jewelers or markets where the ratti system is still prevalent, offering context alongside the standard carat weight. This historical perspective adds a layer of appreciation for the diamond’s significant size.

Factors Determining 4 Carat Diamond Price

The price of a 4 carat diamond is determined by the universally recognized ‘4 Cs’:

  • Carat Weight: As established, larger diamonds are rarer and thus more expensive per carat. A 4 carat diamond inherently commands a higher price than smaller stones.
  • Color: Diamonds are graded from D (colorless) to Z (light yellow or brown). Colorless diamonds (D-F) are the rarest and most expensive. For a 4 carat stone, even slight color tints can noticeably impact value.
  • Clarity: This refers to the presence of internal inclusions or external blemishes. Graded from Flawless (FL) to Included (I3), diamonds with fewer and smaller imperfections are more valuable. Finding a 4 carat diamond with high clarity (e.g., VVS or VS) is a significant factor in its price.
  • Cut: The quality of the diamond’s cut (Excellent, Very Good, Good, Fair, Poor) affects its brilliance, fire, and sparkle. A well-cut diamond maximizes its light performance, making it appear more beautiful and valuable.

Maiyam Group emphasizes these 4 Cs when sourcing and supplying diamonds, ensuring that buyers in Singapore receive stones that offer genuine value and exceptional beauty. The combination of these factors creates a unique price point for each 4 carat diamond.

The Market for Large Diamonds in Singapore

Singapore is a global hub for luxury goods, and its market for high-value diamonds is robust and sophisticated. Buyers in Singapore often seek diamonds that offer both aesthetic appeal and investment potential. A 4 carat diamond, representing a significant size and rarity, is highly sought after. The 4 carat diamond price in ratti, while a traditional measure, also finds resonance with buyers who appreciate heritage and historical context.

Demand and Pricing Trends

Demand for larger diamonds, particularly those in the 3-5 carat range, remains strong in Singapore. Factors influencing the price include the diamond’s adherence to the 4 Cs, its fluorescence, the cut precision, and whether it is natural and untreated. In 2026, market trends suggest a continued appreciation for diamonds with exceptional color and clarity, especially in larger carat weights. Maiyam Group closely monitors these trends to source diamonds that align with market expectations and offer superior value to our clients.

Ethical Sourcing and Certification

As a leading mineral and gemstone supplier, Maiyam Group is deeply committed to ethical sourcing and conflict-free diamonds. We ensure that all our diamonds are sourced responsibly, complying with international standards like the Kimberley Process. Certification from reputable gemological institutes, such as the Gemological Institute of America (GIA), is standard for our diamonds. This certification provides an unbiased, expert assessment of the diamond’s characteristics, offering transparency and assurance to buyers in Singapore and worldwide. When evaluating the 4 carat diamond price, the presence and quality of certification are critical indicators of authenticity and value.

Navigating the Ratti Equivalent

While carats are the global standard, understanding the ratti equivalent can be beneficial, especially when comparing prices or discussing options with jewelers familiar with the traditional system. A 4 carat diamond equates to roughly 7.2 ratti. This understanding helps bridge the gap between international standards and local practices, ensuring clear communication and informed decision-making for all parties involved in the transaction.

How to Choose the Right 4 Carat Diamond

Selecting the perfect 4 carat diamond involves balancing the 4 Cs to meet your specific needs and budget. Here’s a guide to help you make an informed choice:

  1. Prioritize Your ‘C’s: Determine which of the 4 Cs is most important to you. For instance, if color is paramount, you might opt for a slightly lower clarity grade to stay within budget. Conversely, if clarity is key, a slightly warmer color might be acceptable.
  2. Understand Cut Quality: A well-executed cut can make a diamond appear larger and more brilliant, masking minor imperfections in color or clarity. Aim for an Excellent or Very Good cut grade from GIA.
  3. Consider Clarity Enhancements: Be aware of clarity enhancement treatments, which can lower the price but also the diamond’s long-term value. Natural, untreated diamonds are always preferred for investment.
  4. Consult Gemological Reports: Always request a GIA or equivalent report for any 4 carat diamond. This report details all the 4 Cs and other characteristics, providing objective data for valuation.
  5. Factor in Fluorescence: A diamond’s fluorescence (the glow it emits under UV light) can affect its appearance. Strong blue fluorescence can sometimes make a diamond appear hazy or oily, while faint fluorescence usually has little impact.

Maiyam Group provides meticulously graded diamonds with comprehensive certification, simplifying this selection process for our clients in Singapore. We help you find the optimal balance of the 4 Cs to match your desires and investment goals.

The ‘Ratti’ Perspective in Selection

When discussing a 4 carat diamond, understanding its 7.2 ratti equivalent can be useful. While the price is ultimately determined by carat weight and the 4 Cs, referencing the ratti can facilitate conversations, particularly if the diamond is being set into jewelry that originated from or is intended for a market accustomed to this unit. It’s a supplementary piece of information that adds context to the diamond’s substantial size.

Benefits of Owning a 4 Carat Diamond

Acquiring a 4 carat diamond offers numerous advantages, making it a compelling choice for both personal adornment and investment:

  • Significant Rarity: Diamonds of 4 carats are considerably rarer than smaller stones, making them highly prized possessions.
  • Impressive Size: A 4 carat diamond makes a bold statement, offering a captivating presence whether set in a ring, pendant, or earrings.
  • Investment Potential: High-quality, larger diamonds often appreciate in value over time, serving as a tangible asset and a hedge against inflation. The 4 carat diamond price can see substantial growth.
  • Enduring Beauty: With proper care, a diamond’s brilliance and beauty are timeless, lasting for generations.
  • Symbolic Value: A diamond of this size represents significant commitment, achievement, or milestones, imbued with deep emotional significance.

In Singapore, where quality and exclusivity are highly valued, a 4 carat diamond is recognized as a symbol of success and refined taste. Maiyam Group ensures that each diamond we offer meets the highest standards of quality and ethical sourcing, providing confidence to buyers.

The Ratti Connection for Value Context

While the price is denominated in carats and influenced by the 4 Cs, the ratti equivalent (approx. 7.2 ratti for a 4 carat diamond) provides an additional layer of context, particularly for those familiar with traditional gemstone markets. This understanding complements the standard valuation, offering a holistic view of the diamond’s size and significance.

Maiyam Group: Your Source for Quality Diamonds

Maiyam Group is a leading provider of premium minerals and gemstones, including exceptional diamonds. We are committed to ethical sourcing, certified quality assurance, and seamless logistics, serving a global clientele across five continents. For buyers in Singapore seeking a 4 carat diamond, we offer direct access to meticulously selected stones that meet the highest standards.

Our Diamond Selection Process

Our expertise spans geological resources and advanced supply chain management. We combine this with a deep understanding of local DR Congo mining regulations and international compliance requirements to ensure every diamond is sourced responsibly and traded transparently. Each diamond offered by Maiyam Group is accompanied by a detailed grading report from a recognized gemological institute.

Why Choose Maiyam Group for Your 4 Carat Diamond?

  • Ethical & Conflict-Free: Assurance of responsible sourcing.
  • Certified Quality: Diamonds graded by GIA or equivalent bodies.
  • Competitive Pricing: Value driven by direct sourcing and expertise.
  • Global Reach: Serving clients in Singapore and worldwide.
  • Transparency: Full disclosure of diamond characteristics and provenance.

We understand that the 4 carat diamond price is a significant consideration. Our commitment is to provide fair valuations based on genuine quality, helping you make a confident purchase. Whether you are interested in the standard carat valuation or the ratti equivalent, our team is equipped to provide comprehensive support.

Beyond Diamonds: Our Gemstone Portfolio

While diamonds are a cornerstone of our offerings, Maiyam Group also provides a wide array of other precious and semi-precious gemstones, including sapphires, emeralds, and tourmalines, all sourced with the same commitment to quality and ethics.

Pricing Breakdown for 4 Carat Diamonds

The price of a 4 carat diamond can vary dramatically, ranging from tens of thousands to over a million dollars, depending almost entirely on the quality defined by the 4 Cs and any additional treatments or unique characteristics.

The Impact of the 4 Cs on Price

  • Carat Weight Premium: The jump from 3 to 4 carats, and then to 5 carats, incurs a significant price increase per carat due to rarity. A 4 carat diamond is substantially more expensive per carat than a 1 carat diamond.
  • Color Value: Diamonds graded D, E, or F (colorless) are the most expensive. Prices decrease noticeably for diamonds in the G-J range (near colorless) and even more for K-M (faint color). For a 4 carat diamond, even a slight tint can represent thousands or tens of thousands of dollars difference.
  • Clarity’s Role: Flawless (FL) and Internally Flawless (IF) diamonds command top prices. Very Very Slightly Included (VVS1, VVS2) and Very Slightly Included (VS1, VS2) diamonds offer excellent value, with inclusions visible only under magnification. Slightly Included (SI1, SI2) and Included (I1-I3) diamonds are more affordable but may have visible imperfections.
  • Cut Quality Premium: An Excellent cut grade from GIA typically adds value as it signifies optimal brilliance and sparkle, making the diamond appear more lively and attractive.

Ratti Conversion for Context

While the price is set per carat, understanding that a 4 carat diamond is approximately 7.2 ratti helps contextualize its size within traditional measurements. This doesn’t directly alter the price calculation but aids in communication and appreciation of its substantial dimensions.

Achieving Value in Singapore

Maiyam Group helps clients in Singapore navigate these pricing factors to find the best value. By understanding your priorities for the 4 Cs, we can guide you towards diamonds that offer the most desirable balance of beauty, quality, and investment potential for 2026. Our direct sourcing model and commitment to transparency ensure you receive a fair price for a certified, ethically sourced diamond.

Common Mistakes When Buying 4 Carat Diamonds

Purchasing a significant diamond like a 4 carat requires careful consideration. Avoiding common mistakes can save you money and ensure you acquire a stone that truly meets your expectations.

  1. Overemphasizing Carat Weight Alone: Focusing only on the 4-carat size without considering the other Cs (Color, Clarity, Cut) can lead to a diamond that appears dull, lifeless, or flawed, despite its large size.
  2. Ignoring Cut Quality: A poor cut can make a diamond look smaller than its actual carat weight and significantly reduce its sparkle. Always prioritize an Excellent or Very Good cut grade.
  3. Paying Too Much for Color/Clarity: Buying a D-color, Flawless diamond might be beyond budget. Understanding which ‘compromises’ are acceptable (e.g., a near-colorless diamond with excellent cut, or a diamond with eye-clean inclusions) is key to finding value.
  4. Skipping Certification: Never buy a significant diamond without a reputable grading report (e.g., GIA). Seller’s opinions are not objective. The report confirms the diamond’s characteristics and verifies its value.
  5. Not Considering Fluorescence: While not always detrimental, strong fluorescence can sometimes negatively impact a diamond’s appearance, making it look milky or oily. Understand its effect on the specific diamond.
  6. Forgetting the Ratti Equivalent: While carats are standard, dismissing the ratti measure can lead to miscommunication in certain contexts. Knowing it’s approx 7.2 ratti for a 4 carat diamond is helpful.

Maiyam Group ensures all diamonds come with GIA certification and provides expert guidance to help clients in Singapore avoid these pitfalls. We focus on delivering true value by balancing all the essential characteristics of a diamond.

The Importance of Partnering with Experts

For a major purchase like a 4 carat diamond, partnering with a trusted supplier is crucial. Maiyam Group leverages its expertise in mineral trading and gemstone sourcing to offer clients the best possible selection, transparent pricing, and complete peace of mind. Our commitment to ethical practices and certified quality makes us the ideal choice for your diamond acquisition in 2026.

Frequently Asked Questions About 4 Carat Diamond Price in Ratti

What is the average 4 carat diamond price in Singapore?

The average 4 carat diamond price in Singapore can range from S$50,000 to over S$500,000, depending heavily on the 4 Cs (Color, Clarity, Cut, Carat) and certification. Maiyam Group offers competitive pricing for high-quality, certified diamonds.

How many ratti is a 4 carat diamond?

A 4 carat diamond is approximately equivalent to 7.2 ratti, based on the conversion of 1 carat being about 1.8 ratti. This provides a traditional measure alongside the standard international carat weight.

Is a 4 carat diamond a good investment?

Yes, high-quality 4 carat diamonds, especially those with excellent color, clarity, and cut, are often considered good investments due to their rarity and potential for value appreciation over time.

Where can I buy certified 4 carat diamonds in Singapore?

Maiyam Group is a trusted source for certified 4 carat diamonds in Singapore. We provide ethically sourced, GIA-certified diamonds with transparent pricing and expert guidance.

How does cut affect a 4 carat diamond’s price?

An excellent cut significantly enhances a diamond’s brilliance and sparkle, often making it appear more valuable and desirable. This premium cut grade can positively influence the 4 carat diamond price, making it worth the investment for its beauty.

Conclusion: The Value of a 4 Carat Diamond in Singapore (2026)

The 4 carat diamond price is a significant consideration, influenced by a complex interplay of factors including the universally recognized 4 Cs, its ratti equivalent, and market conditions in sophisticated centers like Singapore. A diamond of this magnitude represents not just a substantial financial investment but also a symbol of enduring beauty and rarity. Understanding the nuances of color, clarity, cut, and carat weight, alongside the importance of ethical sourcing and GIA certification, is crucial for making an informed purchase. Maiyam Group stands as a premier partner for discerning buyers, offering direct access to meticulously selected, ethically sourced diamonds. Our expertise ensures transparency and value, whether you are focused on the standard carat valuation or appreciate the traditional context provided by the ratti measurement. As we look towards 2026, the demand for high-quality, large diamonds remains robust, positioning a well-chosen 4 carat diamond as a potentially wise investment and a breathtaking centerpiece.

Key Takeaways:

  • Prioritize the 4 Cs and GIA certification when evaluating a 4 carat diamond.
  • The rarity of 4 carat diamonds significantly impacts their price and investment potential.
  • Understanding the ratti equivalent (approx. 7.2 ratti) adds context to the diamond’s size.
  • Maiyam Group offers ethically sourced, certified diamonds with transparent pricing.

Seeking exceptional diamonds? Contact Maiyam Group today to explore our curated selection of 4 carat diamonds and other fine gemstones. Secure your investment with confidence in 2026.

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