• 14 days return

  • Exceptional value

  • Free shipping

  • Diamond expert team

The diamantaire store
Guy
Diamantaire since 1966
Member of the Diamond Exchange of New York

About the diamantaire seller


With more than 40 years of expertise in diamond-jewelry manufacturing, we have established a trusted name in diamonds.
We provide the highest quality of fine diamonds and diamond jewelry to satisfied customers around the world.

Our skilled artisans, state-of-the-art manufacturing factories and reputable distribution offices worldwide specialize in supplying, manufacturing and distributing certified diamonds of all shapes and clarities, ranging from 0.30 carats to 10 carats, and specializing in 0.50 carats to 3 carats.

Our family-run company is committed to maintaining stringent ethical and quality standards and a fully transparent diamond supply chain. Sourcing conflict-free rough diamonds from Africa, Russia and Canada, we use the latest innovative diamond technologies in our manufacturing to constantly develop new and exclusive jewelry lines.

Our dynamic company also offers both digital and online access to our expansive diamond inventory, including high-resolution photographs of each diamond.

This enables our customers to easily find, choose and order from our wide range of breathtaking diamonds and jewelry collections – anywhere, any time.

With overnight worldwide delivery, our unparalleled customer service prioritizes customer satisfaction.

At our company, we truly value our customers and not only meet - but exceed - all of your diamond needs.

View as

  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    0.54 carat Round diamond I VS1 Excellent

    $1,004 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    0.71 carat Emerald diamond H I1

    $1,006 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    0.63 carat Round diamond I SI2 Excellent

    $1,013 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    0.82 carat Pear diamond F I1

    $1,016 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    0.53 carat Marquise diamond I VS1

    $1,023 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    0.70 carat Marquise diamond K VS2

    $1,023 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    0.50 carat Cushion diamond H VVS1

    $1,028 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    0.55 carat Round diamond G VS1 VeryGood

    $1,033 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    0.68 carat Marquise diamond I VS2

    $1,039 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    0.68 carat Radiant diamond J VVS2

    $1,042 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    0.51 carat Cushion diamond H VVS1

    $1,047 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    0.52 carat Cushion diamond H VVS1

    $1,077 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    0.63 carat Emerald diamond G VS1

    $1,077 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    0.71 carat Radiant diamond F I1

    $1,081 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    0.71 carat Heart diamond J SI2

    $1,081 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    0.62 carat Princess diamond L VVS2

    $1,085 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    0.77 carat Pear diamond K SI2

    $1,105 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    0.80 carat Pear diamond G SI2

    $1,108 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    0.71 carat Round diamond F SI2 Good

    $1,116 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    0.70 carat Round diamond F I1 Excellent

    $1,118 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    0.72 carat Radiant diamond G SI2

    $1,124 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    0.56 carat Round diamond I VVS2 Good

    $1,132 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    0.57 carat Cushion diamond Yellow VS1

    $1,132 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    0.50 carat Marquise diamond G VVS2

    $1,135 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    0.68 carat Radiant diamond J SI1

    $1,143 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    0.81 carat Princess diamond M SI2

    $1,148 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    0.70 carat Round diamond G I1 VeryGood

    $1,172 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    0.51 carat Round diamond H VVS2 Excellent

    $1,174 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    0.90 carat Princess diamond L I1

    $1,181 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    0.81 carat Cushion diamond D SI2

    $1,205 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    0.70 carat Round diamond E I1 VeryGood

    $1,215 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    0.70 carat Radiant diamond J VS2

    $1,215 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.04 carat Round diamond M SI1 VeryGood

    $1,215 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    0.72 carat Princess diamond E SI2 VeryGood

    $1,220 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    0.61 carat Pear diamond D SI2

    $1,222 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    0.82 carat Princess diamond M VS1

    $1,234 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    0.50 carat Oval diamond G VVS2

    $1,236 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    0.80 carat Radiant diamond J SI1

    $1,237 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    0.75 carat Princess diamond K VS1

    $1,257 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    0.53 carat Oval diamond G VS1

    $1,260 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.00 carat Round diamond L SI1 Good

    $1,286 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    0.62 carat Round diamond E SI2 Excellent

    $1,289 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    0.58 carat Round diamond G VS2 VeryGood

    $1,310 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.07 carat Radiant diamond M SI2

    $1,312 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.00 carat Oval diamond K SI2

    $1,329 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    0.71 carat Emerald diamond H SI1

    $1,334 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    0.70 carat Princess diamond J VS2

    $1,336 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    0.80 carat Cushion diamond F SI2

    $1,354 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    0.71 carat Round diamond J VS1 Excellent

    $1,357 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    0.80 carat Radiant diamond J VS2

    $1,378 USD Tax exc.
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