• 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

    2.00 carat Pear diamond J SI2

    $11,982 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.76 carat Cushion diamond E SI1

    $12,010 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.87 carat Cushion diamond E SI1

    $12,075 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    2.12 carat Round diamond K VVS1 Excellent

    $12,105 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    2.00 carat Oval diamond H SI2

    $12,375 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.50 carat Emerald diamond D VVS1

    $12,464 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    2.00 carat Round diamond J SI1 Excellent

    $12,495 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.79 carat Cushion diamond H VS2

    $12,536 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    2.01 carat Round diamond I SI2 Excellent

    $12,539 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    2.02 carat Round diamond I SI1 Excellent

    $12,565 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.51 carat Princess diamond G VS1

    $12,591 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    2.01 carat Marquise diamond J SI2

    $12,611 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.77 carat Round diamond I VVS1 Excellent

    $12,838 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.50 carat Round diamond G VVS2 Excellent

    $12,860 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    2.00 carat Round diamond J VS1 Excellent

    $12,927 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    2.01 carat Oval diamond J VS2

    $13,015 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    2.09 carat Round diamond H SI2 Excellent

    $13,016 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    2.14 carat Radiant diamond G SI1

    $13,127 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.70 carat Round diamond H VS2 Excellent

    $13,182 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.80 carat Heart diamond G VS2

    $13,429 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.71 carat Round diamond G VS1 VeryGood

    $13,495 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.78 carat Cushion diamond D VS2

    $13,540 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    2.40 carat Round diamond I SI2 Excellent

    $13,553 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.52 carat Round diamond G VVS1 Excellent

    $13,632 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    2.01 carat Round diamond J VS1 VeryGood

    $13,724 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    3.00 carat Oval diamond L SI2

    $13,746 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.70 carat Cushion diamond F VS2

    $13,753 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.70 carat Round diamond H VVS1 Excellent

    $13,998 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    2.02 carat Round diamond K VVS2 Excellent

    $14,095 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    2.01 carat Radiant diamond I SI1

    $14,170 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    2.03 carat Round diamond J VVS2 Excellent

    $14,304 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.70 carat Cushion diamond G VVS1

    $14,419 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    2.00 carat Round diamond I VS1 Excellent

    $14,475 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    2.00 carat Round diamond I SI2 Excellent

    $14,553 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    2.06 carat Round diamond J VVS1 Excellent

    $14,589 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    3.00 carat Oval diamond K SI2

    $14,835 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    2.00 carat Round diamond H SI2 Excellent

    $15,039 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    2.01 carat Pear diamond H SI2

    $15,156 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    2.10 carat Cushion diamond E SI2

    $15,299 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    2.01 carat Emerald diamond I SI2

    $15,617 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    2.01 carat Radiant diamond H SI2

    $15,650 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.50 carat Round diamond G IF Excellent

    $15,746 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    2.00 carat Round diamond H SI1 Excellent

    $15,915 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    2.52 carat Round diamond J SI1 VeryGood

    $15,977 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    2.01 carat Round diamond H SI1 VeryGood

    $16,092 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    2.00 carat Round diamond I VS1 VeryGood

    $16,230 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    2.04 carat Round diamond I VVS2 VeryGood

    $16,232 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.50 carat Round diamond G VVS1 VeryGood

    $16,478 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    2.01 carat Round diamond G SI1 Excellent

    $16,609 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    2.39 carat Round diamond G SI2 Excellent

    $16,896 USD Tax exc.
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