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    0.5 Carat Colored Diamonds

    Natural 0.5 carat colored diamonds represent the perfect balance between impressive presence and exceptional value. Our collection features meticulously selected certified half-carat (0.5 ct) colored stones, where each gem's unique characteristics determine its distinctive worth. These conflict-free gems present an ideal entry point into colored diamond investment while providing meaningful size for sophisticated jewelry applications.

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    Fancy color

    Fancy color

    Fancy colored diamonds are incredibly rare and fascinating. Nearly every color you can think of is available in fancy color diamonds. There are a huge variety of beautiful color options. Pink, blue, green, brown diamonds look charming and mesmerizing.

    LEARN ABOUT DIAMOND FANCY COLOR
    Intensity

    Intensity

    Diamond intensity refers to the strength or saturation of a fancy color diamond’s hue. It’s a key factor in determining a diamond’s value and desirability.

    LEARN MORE ABOUT Intensity
    Overtone

    Overtone

    Diamond overtone is a subtle, secondary color that can be observed in some fancy color diamonds, particularly those with intense or vivid hues. It’s like a whisper of color layered over the primary color, adding depth and complexity to the diamond’s brilliance.

    LEARN MORE ABOUT Overtone
    Shape

    Shape

    Diamond shape refers to the overall outline and facets of a diamond. It’s a crucial factor that affects a diamond’s brilliance, fire, and scintillation – its ability to reflect light and sparkle.

    LEARN MORE ABOUT Shape
    Clarity

    Clarity

    Diamond clarity refers to the absence of inclusions (internal flaws) and blemishes (external imperfections) within a diamond. It’s one of the four Cs (carat, cut, clarity, and color) that determine a diamond’s value and price.

    LEARN MORE ABOUT Clarity
    Carat weight

    Carat weight

    Diamond weight, also known as carat weight, is a measure of a diamond’s mass. It’s one of the four Cs (carat, cut, clarity, and color) that determine a diamond’s value and price.

    LEARN MORE ABOUT DIAMOND CARAT
    Price

    Price

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    0.51 Carat Fancy Deep Brown-Orange SI2 Cushion Shape Diamond GIA | 4.61 x 4.02 x 3.03

    0.51 Carat Fancy Deep Brown-Orange SI2 Cushion Shape Diamond GIA | 4.61 x 4.02 x 3.03

    1,990.00$
    0.51 Carat Fancy Deep Brown-Orange SI2 Cushion Shape Diamond GIA

    0.51 Carat Fancy Deep Brown-Orange SI2 Cushion Shape Diamond GIA

    1,990.00$
    0.56 Carat Fancy Deep Brown-Orange VS2 Oval Shape Diamond GIA

    0.56 Carat Fancy Deep Brown-Orange VS2 Oval Shape Diamond GIA

    1,990.00$
    0.55 Carat Fancy Deep Brownish Orangy Yellow SI2 Oval Shape Diamond GIA

    0.55 Carat Fancy Deep Brownish Orangy Yellow SI2 Oval Shape Diamond GIA

    1,990.00$
    0.71 Carat Fancy Deep Brownish Orangy Yellow SI2 Oval Shape Diamond GIA

    0.71 Carat Fancy Deep Brownish Orangy Yellow SI2 Oval Shape Diamond GIA

    2,200.00$
    0.55 Carat Fancy Deep Brown-Orange SI2 Pear Shape Diamond GIA

    0.55 Carat Fancy Deep Brown-Orange SI2 Pear Shape Diamond GIA

    1,990.00$
    0.43 carat Fancy Vivid Purple-Pink SI2 Round Shape Diamond GIA

    0.43 carat Fancy Vivid Purple-Pink SI2 Round Shape Diamond GIA

    Price Upon Request
    0.61 Carat Fancy Light Pink-Brown Pear Shape Diamond GIA

    0.61 Carat Fancy Light Pink-Brown Pear Shape Diamond GIA

    3,220.00$
    0.53 Carat Fancy Light Pink Cushion Shape Diamond GIA

    0.53 Carat Fancy Light Pink Cushion Shape Diamond GIA

    5,428.00$
    0.62 carat Fancy Intense Yellow SI2 Cushion Shape Diamond GIA

    0.62 carat Fancy Intense Yellow SI2 Cushion Shape Diamond GIA

    3,000.00$
    0.50 carat Faint Pink VVS2 Round Shape Diamond GIA

    0.50 carat Faint Pink VVS2 Round Shape Diamond GIA

    Item Upon Request
    0.62 carat Fancy Brownish Purplish Pink SI2 Radiant Shape Diamond GIA

    0.62 carat Fancy Brownish Purplish Pink SI2 Radiant Shape Diamond GIA

    Item Upon Request
    0.51 carat Fancy Brownish Orangy Pink SI1 Cushion Shape Diamond GIA

    0.51 carat Fancy Brownish Orangy Pink SI1 Cushion Shape Diamond GIA

    Item Upon Request
    0.70 carat Fancy Yellow I1 Radiant Shape Diamond GIA

    0.70 carat Fancy Yellow I1 Radiant Shape Diamond GIA

    Item Upon Request
    0.62 carat Fancy Blue VS1 Pear Shape Diamond GIA

    0.62 carat Fancy Blue VS1 Pear Shape Diamond GIA

    Item Upon Request
    0.95 carat Fancy Dark Gray-Greenish Yellow VVS2 Cushion Shape Diamond GIA

    0.95 carat Fancy Dark Gray-Greenish Yellow VVS2 Cushion Shape Diamond GIA

    Item Upon Request
    0.41 carat Fancy Pinkish Brown SI2 Radiant Shape Diamond GIA

    0.41 carat Fancy Pinkish Brown SI2 Radiant Shape Diamond GIA

    Item Upon Request
    0.43 carat Fancy Intense Yellow VVS1 Oval Shape Diamond GIA

    0.43 carat Fancy Intense Yellow VVS1 Oval Shape Diamond GIA

    Item Upon Request
    0.50 carat Fancy Intense Yellow VVS2 Pear Shape Diamond GIA

    0.50 carat Fancy Intense Yellow VVS2 Pear Shape Diamond GIA

    Item Upon Request
    0.70 carat Very Light Green SI1 Cushion Shape Diamond GIA

    0.70 carat Very Light Green SI1 Cushion Shape Diamond GIA

    Item Upon Request
    0.43 carat Fancy Yellow VVS1 Radiant Shape Diamond GIA

    0.43 carat Fancy Yellow VVS1 Radiant Shape Diamond GIA

    Item Upon Request
    0.44 carat Fancy Brown Orange I1 Cushion Shape Diamond GIA

    0.44 carat Fancy Brown Orange I1 Cushion Shape Diamond GIA

    Item Upon Request
    0.45 carat Fancy Vivid Green Yellow SI2 Round Shape Diamond GIA

    0.45 carat Fancy Vivid Green Yellow SI2 Round Shape Diamond GIA

    Item Upon Request
    0.58 carat Fancy Yellowish Orange Radiant Shape Diamond GIA

    0.58 carat Fancy Yellowish Orange Radiant Shape Diamond GIA

    Item Upon Request
    0.77 carat Fancy Light Brownish Yellow VVS2 Cushion Shape Diamond GIA

    0.77 carat Fancy Light Brownish Yellow VVS2 Cushion Shape Diamond GIA

    Item Upon Request
    0.61 carat Fancy Brownish Yellow VVS2 Cushion Shape Diamond GIA

    0.61 carat Fancy Brownish Yellow VVS2 Cushion Shape Diamond GIA

    Item Upon Request
    0.90 carat Light Pinkish Brown SI1 Round Shape Diamond GIA

    0.90 carat Light Pinkish Brown SI1 Round Shape Diamond GIA

    Item Upon Request
    0.41 carat Fancy Vivid Purplish Pink Oval Shape Diamond GIA

    0.41 carat Fancy Vivid Purplish Pink Oval Shape Diamond GIA

    Item Upon Request
    0.45 carat Fancy Brownish Purplish Pink SI1 Radiant Shape Diamond GIA

    0.45 carat Fancy Brownish Purplish Pink SI1 Radiant Shape Diamond GIA

    Item Upon Request
    0.47 carat Fancy Green Yellow SI1 Radiant Shape Diamond GIA

    0.47 carat Fancy Green Yellow SI1 Radiant Shape Diamond GIA

    Item Upon Request
    0.57 carat Fancy Green Yellow I1 Cushion Shape Diamond GIA

    0.57 carat Fancy Green Yellow I1 Cushion Shape Diamond GIA

    Item Upon Request
    0.71 carat Fancy Dark Pink Brown Cushion Shape Diamond GIA

    0.71 carat Fancy Dark Pink Brown Cushion Shape Diamond GIA

    Item Upon Request

    FREQUENTLY ASKED QUESTIONS

    What factors determine the price of a 0.5 carat colored diamond?

    Half-carat colored diamond values are primarily influenced by color intensity and rarity rather than size alone. Fancy vivid blues and pinks command premium prices even at this weight due to their extreme scarcity. Additional factors affecting worth include clarity grade, shape, and certification quality, with GIA certified stones typically commanding 15-30% higher prices. For conflict-free half-carat diamonds, the cost reflects a perfect equilibrium between impressive presence and relative accessibility, making them highly sought after by discerning collectors seeking both beauty and investment value.

    Why do many connoisseurs consider 0.5 ct fancy diamonds the "sweet spot" for value?

    The half-carat threshold represents an optimal balance between visual impact and investment efficiency. These natural colored gems offer sufficient size to display their distinctive color character while avoiding the exponential price increases of larger stones. For purchasers seeking high-quality fancy colored diamonds, 0.5 carat stones typically deliver 70-80% of the visual impact of one-carat diamonds at roughly 40-50% of the cost. This compelling value proposition makes these precious stones particularly attractive for both jewelry applications and long-term investment portfolios.

    Which shapes maximize color saturation in half-carat fancy diamonds?

    Cushion and radiant cuts typically enhance color saturation in 0.5 carat colored diamonds through their faceting patterns. Emerald shapes provide elegant color presentation but require higher clarity grades for optimal aesthetics. Round brilliants, while displaying exceptional fire, may show slightly diluted color compared to fancy shapes in these genuine colored stones. For buyers prioritizing maximum color intensity, the modified brilliant cuts with closed pavilions often deliver the best balance of brilliance and color depth while maintaining the aesthetic appeal essential at this carat weight.

    We Educate

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    Bringing clarity to the realm of diamonds, gems, and fine jewelry through insight that elevates interest into true expertise.

    What to Do in Antwerp: Culture, Cuisine, and Diamonds
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    More About Loose Diamonds at Reuven Veksler

    Understanding Diamond Quality and Certification

    Evaluating loose diamonds requires comprehensive knowledge of the 4Cs and certification standards that determine both aesthetic appeal and investment potential. Cut precision directly impacts light refraction and exceptional brilliance, while color grading reveals the stone’s optical purity on the D-Z scale. Professional gemological evaluation from laboratories like GIA or IGI provides authentication of natural origin, ensuring buyers receive conflict-free diamonds with documented quality characteristics rather than synthetic alternatives.

    Read more +

    Investment Advantages of Loose Diamond Purchasing

    Investment-grade loose diamonds offer significant cost-per-carat advantages over pre-set jewelry, allowing buyers to assess clarity characteristics without setting interference. The loose diamond market provides direct access to collector-grade specimens, eliminating multiple retail intermediaries that typically increase final pricing. When you buy loose diamonds online with proper certification, traceable origins ensure transparency about the stone’s journey from mine to market, protecting your investment through verified provenance documentation.

    Reuven Veksler’s Premium Natural Diamond Collection

    Hand-picked from our exclusive Antwerp vault, Reuven Veksler’s premium collection represents five decades of gemological expertise and artisan craftsmanship. As certified members of the Antwerp Diamond Exchange since 1974, we provide direct access to museum-quality natural diamonds with sustainable sourcing practices and lifetime warranty protection. Our conflict-free stones undergo rigorous evaluation to ensure exceptional brilliance and authentic value, offering bespoke jewelry creation opportunities and superior investment potential for discerning collectors worldwide.

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    Frequently Asked questions

    Why should I buy loose diamonds instead of pre-mounted stones? 

    Buying loose diamonds allows you to examine the stone’s natural characteristics without interference from settings, ensuring you purchase genuine, high-quality specimens. You can verify the diamond’s clarity, color grade, and cut quality independently, often achieving better value and cost efficiency. Loose stones also provide flexibility for custom jewelry creation, where you control both the diamond selection and setting design process.

    What certifications should I look for when purchasing diamonds? 

    GIA certified diamonds represent the gold standard in gemological evaluation, providing detailed analysis of cut, clarity, color, and carat weight. Other reputable certifications include IGI and HRD, particularly for stones originating from Antwerp’s diamond exchanges. These certificates document the diamond’s natural origin, conflict-free status, and authentic characteristics, protecting your investment and ensuring genuine quality.

    What are conflict-free diamonds and why choose them? 

    Conflict-free diamonds are ethically sourced stones that were not mined in areas where proceeds funded armed conflict or human rights abuses. These natural diamonds with clear, traceable origins represent a responsible choice for buyers who want their purchase to reflect their values. At Reuven Veksler, we deal exclusively with conflict-free diamonds that come with proper certifications from reputable laboratories like GIA, ensuring both genuine quality and peace of mind for your investment.

    Where should I buy certified loose diamonds for the best value? 

    When purchasing certified loose diamonds, choose reputable dealers who provide comprehensive documentation and ethical sourcing guarantees. Ensure each stone comes with certification from respected laboratories like GIA, AGS, or IGI to verify authenticity and quality. At Reuven Veksler, we offer conflict-free diamonds with lifetime warranties, complete provenance documentation, and expert guidance to make your diamond buying experience both secure and valuable, whether you’re seeking investment-grade stones or creating bespoke jewelry.

    We Educate

    View more

    Bringing clarity to the realm of diamonds, gems, and fine jewelry through insight that elevates interest into true expertise.

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    • Lifestyle
    What to Do in Antwerp: Culture, Cuisine, and Diamonds

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    BySarah Veksler
    January 28, 2026
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    • Jewelry
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    January 20, 2026