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    Loose 0.25 Carat Diamonds

    Quarter-carat diamonds represent the perfect entry point into fine diamond acquisition, offering exceptional brilliance in an accessible package. Our collection features select certified 0.25 ct stones sourced directly from Antwerp's Diamond Exchange, each exhibiting remarkable clarity and precision cutting that maximizes their natural fire and sparkle despite their delicate size.

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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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    0.20 Ct Fancy Vivid Orangy Yellow Square Emerald Cut Natural Diamond

    0.20 Ct Fancy Vivid Orangy Yellow Square Emerald Cut Natural Diamond

    Price Upon Request
    0.32 Ct Fancy Vivid Yellow Cushion Modified Brilliant Natural Diamond

    0.32 Ct Fancy Vivid Yellow Cushion Modified Brilliant Natural Diamond

    Price Upon Request
    0.32 Ct Fancy Deep Yellow Round Brilliant Natural Diamond

    0.32 Ct Fancy Deep Yellow Round Brilliant Natural Diamond

    Price Upon Request
    0.36 Ct Fancy Intense Yellow Round Brilliant Natural Diamond

    0.36 Ct Fancy Intense Yellow Round Brilliant Natural Diamond

    Price Upon Request
    0.27 Ct Fancy Vivid Yellow Round Brilliant Natural Diamond

    0.27 Ct Fancy Vivid Yellow Round Brilliant Natural Diamond

    Price Upon Request
    0.24 Ct Fancy Purplish Pink Cushion Modified Brilliant Natural Diamond

    0.24 Ct Fancy Purplish Pink Cushion Modified Brilliant Natural Diamond

    5,500.00$
    0.22 Ct Fancy Deep Pink Cushion Modified Brilliant Natural Diamond

    0.22 Ct Fancy Deep Pink Cushion Modified Brilliant Natural Diamond

    9,000.00$
    0.37 Ct Fancy Vivid Orangy Yellow Round Brilliant Natural Diamond

    0.37 Ct Fancy Vivid Orangy Yellow Round Brilliant Natural Diamond

    6,000.00$
    0.35 Ct Fancy Vivid Yellow-Orange Oval Modified Brilliant Natural Diamond GIA

    0.35 Ct Fancy Vivid Yellow-Orange Oval Modified Brilliant Natural Diamond GIA

    10,000.00$
    0.36 Ct Fancy Vivid Orange-Yellow Oval Modified Brilliant Natural Diamond GIA

    0.36 Ct Fancy Vivid Orange-Yellow Oval Modified Brilliant Natural Diamond GIA

    10,000.00$
    0.33 Ct Fancy Vivid Orangy Yellow Round Brilliant Natural Diamond GIA

    0.33 Ct Fancy Vivid Orangy Yellow Round Brilliant Natural Diamond GIA

    6,000.00$
    0.35 Ct Fancy Intense Orangy Pink Cushion Modified Brilliant Natural Diamond GIA

    0.35 Ct Fancy Intense Orangy Pink Cushion Modified Brilliant Natural Diamond GIA

    18,000.00$
    0.18 Carat Fancy Deep Yellow Orange Round Brilliant Shape Diamond GIA

    0.18 Carat Fancy Deep Yellow Orange Round Brilliant Shape Diamond GIA

    2,800.00$
    0.31 + 0.29 carat F VS1 Pair Oval Shape Diamonds

    0.31 + 0.29 carat F VS1 Pair Oval Shape Diamonds

    1,650.00$
    0.42 carat F VS1 Cushion Shape Diamond GIA

    0.42 carat F VS1 Cushion Shape Diamond GIA

    990.00$
    0.45 carat F VS1 Pear Shape Diamond GIA

    0.45 carat F VS1 Pear Shape Diamond GIA

    756.00$
    0.06 carat Fancy Pink Purple Marquise Shape Diamond GIA

    0.06 carat Fancy Pink Purple Marquise Shape Diamond GIA

    900.00$
    0.07 carat Light Blue Pear Shape Diamond GIA

    0.07 carat Light Blue Pear Shape Diamond GIA

    Original price was: 2,000.00$.Current price is: 990.00$.
    0.12 carat Fancy Purple Pink Radiant Shape Diamond GIA

    0.12 carat Fancy Purple Pink Radiant Shape Diamond GIA

    Original price was: 4,027.00$.Current price is: 2,490.00$.
    0.11 carat Light Pink Pear Shape Diamond GIA

    0.11 carat Light Pink Pear Shape Diamond GIA

    Original price was: 1,496.00$.Current price is: 990.00$.
    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
    0.32 Carat Fancy Light Pink Radiant Shape Diamond GIA

    0.32 Carat Fancy Light Pink Radiant Shape Diamond GIA

    4,485.00$
    0.35 Carat Light Pink Heart Shape Diamond GIA

    0.35 Carat Light Pink Heart Shape Diamond GIA

    2,013.00$
    0.22 and 0.25 carat Pair of Fancy Deep Yellowish Orange SI2 Pear Shape Diamond GIA

    0.22 and 0.25 carat Pair of Fancy Deep Yellowish Orange SI2 Pear Shape Diamond GIA

    3,102.00$
    0.21 carat Fancy Orange Pink VS2 Cushion Shape Diamond GIA

    0.21 carat Fancy Orange Pink VS2 Cushion Shape Diamond GIA

    Item Upon Request
    0.19 carat Fancy Light Pink I1 Cushion Shape Diamond GIA

    0.19 carat Fancy Light Pink I1 Cushion Shape Diamond GIA

    Item Upon Request
    0.14 carat Fancy Deep Orangy Pink Pear Shape Diamond GIA

    0.14 carat Fancy Deep Orangy Pink Pear Shape Diamond GIA

    Item Upon Request
    0.25 Carat Fancy Deep Yellowish Green Cushion Shape I1 Diamond GIA

    0.25 Carat Fancy Deep Yellowish Green Cushion Shape I1 Diamond GIA

    Item Upon Request
    0.45 carat D VS1 Marquise Shape Diamond GIA

    0.45 carat D VS1 Marquise Shape Diamond GIA

    Item Upon Request
    0.39 carat D VS1 Marquise Shape Diamond GIA

    0.39 carat D VS1 Marquise Shape Diamond GIA

    Item Upon Request
    0.47 carat F VS2 Marquise Shape Diamond GIA

    0.47 carat F VS2 Marquise Shape Diamond GIA

    Item Upon Request
    0.40 carat E VS2 Marquise Shape Diamond GIA

    0.40 carat E VS2 Marquise Shape Diamond GIA

    Item Upon Request
    0.40 carat D VS1 Marquise Shape Diamond GIA

    0.40 carat D VS1 Marquise Shape Diamond GIA

    Item Upon Request
    0.43 carat D VVS2 Marquise Shape Diamond GIA

    0.43 carat D VVS2 Marquise Shape Diamond GIA

    Item Upon Request
    0.44 carat F VVS2 Pear Shape Diamond GIA

    0.44 carat F VVS2 Pear Shape Diamond GIA

    Item Upon Request
    0.46 carat E VS2 Marquise Shape Diamond GIA

    0.46 carat E VS2 Marquise Shape Diamond GIA

    Item Upon Request
    0.43 carat D VS2 Pear Shape Diamond GIA

    0.43 carat D VS2 Pear Shape Diamond GIA

    Item Upon Request
    0.44 carat E VVS2 Pear Shape Diamond GIA

    0.44 carat E VVS2 Pear Shape Diamond GIA

    Item Upon Request
    0.44 carat E VVS2 Emerald Shape Diamond GIA

    0.44 carat E VVS2 Emerald Shape Diamond GIA

    Item Upon Request
    0.21 carat Fancy Light Purplish Pink SI2 Cushion Shape Diamond GIA

    0.21 carat Fancy Light Purplish Pink SI2 Cushion Shape Diamond GIA

    Item Upon Request
    0.27 carat Fancy Light Purplish Pink VS1 Pear Shape Diamond GIA

    0.27 carat Fancy Light Purplish Pink VS1 Pear Shape Diamond GIA

    Item Upon Request
    0.05 carat Very Light Blue Marquise Shape Diamond GIA

    0.05 carat Very Light Blue Marquise Shape Diamond GIA

    Item Upon Request
    0.09 carat Light Pink Pear Shape Diamond GIA

    0.09 carat Light Pink Pear Shape Diamond GIA

    Item Upon Request
    0.13 carat Faint Pink Marquise Shape Diamond GIA

    0.13 carat Faint Pink Marquise Shape Diamond GIA

    Item Upon Request
    0.14 carat Fancy Intense Orange Yellow Pear Shape Diamond GIA

    0.14 carat Fancy Intense Orange Yellow Pear Shape Diamond GIA

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

    0.21 carat Fancy Dark Pink Brown 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

    Frequently Asked Questions

    Why are quarter-carat diamonds considered an ideal starter investment? 

    Quarter-carat diamonds offer exceptional value as entry-level investment pieces. Their accessible price point combined with genuine brilliance makes them perfect for first-time precious stone buyers. These conflict-free gems maintain market liquidity while providing the aesthetic pleasure of natural diamond ownership at a fraction of the cost of larger stones.

    How does the cut affect the appearance of 0.25 ct diamonds? 

    Cut quality dramatically influences a 0.25 carat diamond’s visual impact. A perfectly cut small diamond can appear larger and more brilliant than poorly cut stones of greater weight. GIA certified diamonds with excellent cutting maximize light return, creating a surprisingly impressive presence despite their modest size, and significantly enhancing their real value.

    What factors determine the price of quarter-carat loose diamonds? 

    The price of 0.25 carat loose diamonds is determined by the 4Cs: cut, color, clarity, and carat weight. Even within this size category, variations in these quality factors can significantly impact value. Conflict-free certification and rare characteristics like flawless clarity or exceptional color grades can increase the worth of these natural gems beyond standard market rates.

    Are small 0.25 carat diamonds suitable for everyday jewelry pieces? 

    Small 0.25 carat diamonds are ideal for everyday jewelry due to their practical size and durability. These genuine stones offer remarkable brilliance in delicate settings while maintaining reasonable cost considerations. Their high quality-to-price ratio makes them perfect for creating elegant, wearable pieces that transition seamlessly from casual to formal occasions.

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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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    January 20, 2026
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