• 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

    0.80 carat Heart diamond F VS2

    $2,062 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.32 carat Oval diamond L SI2

    $2,069 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.00 carat Round diamond G I1 Good

    $2,070 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.05 carat Radiant diamond E I1

    $2,102 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.05 carat Cushion diamond Yellow SI1

    $2,103 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.05 carat Oval diamond G I1

    $2,111 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.32 carat Cushion diamond Yellow SI2

    $2,114 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.33 carat Cushion diamond Yellow VS2

    $2,130 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    0.72 carat Round diamond G IF Excellent

    $2,142 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.01 carat Radiant diamond E SI2

    $2,152 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    0.71 carat Round diamond D VS2 VeryGood

    $2,162 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.36 carat Cushion diamond Yellow SI1

    $2,176 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    0.54 carat Round diamond G VS1 Excellent

    $2,228 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    0.54 carat Round diamond G VS1 Excellent

    $2,228 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.00 carat Round diamond D I1 VeryGood

    $2,235 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.16 carat Round diamond M SI2 Excellent

    $2,240 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    0.80 carat Heart diamond D VS2

    $2,246 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.01 carat Oval diamond E I1 VeryGood

    $2,252 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    0.90 carat Radiant diamond I VS2

    $2,285 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.20 carat Round diamond L SI1 VeryGood

    $2,298 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.03 carat Cushion diamond H SI2

    $2,304 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.01 carat Princess diamond K VS1

    $2,323 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    0.81 carat Emerald diamond D VS1

    $2,337 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    0.70 carat Round diamond H VVS1 Excellent

    $2,339 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    0.91 carat Emerald diamond G SI1

    $2,344 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.00 carat Radiant diamond Yellow VS2

    $2,393 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    0.90 carat Round diamond G SI1 Good

    $2,403 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.04 carat Cushion diamond K SI1

    $2,415 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.01 carat Cushion diamond Yellow SI1

    $2,416 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    0.72 carat Emerald diamond D VS1

    $2,421 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    0.90 carat Round diamond H VS1 VeryGood

    $2,424 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.29 carat Round diamond M VVS2 Excellent

    $2,428 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    0.93 carat Pear diamond G SI2

    $2,435 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.15 carat Oval diamond F I1

    $2,471 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    0.90 carat Princess diamond H VS1

    $2,493 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    0.87 carat Emerald diamond D VS2

    $2,538 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.13 carat Princess diamond E I1

    $2,555 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.01 carat Triangle diamond E SI2

    $2,597 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.01 carat Pear diamond I SI2

    $2,619 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.13 carat Oval diamond K VS2

    $2,631 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.01 carat Oval diamond H SI2

    $2,637 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.17 carat Cushion diamond I VS1

    $2,676 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.21 carat Round diamond I SI2 Good

    $2,685 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.00 carat Round diamond H SI2 Excellent

    $2,699 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.01 carat Cushion diamond G SI2

    $2,734 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.00 carat Round diamond F SI2 Good

    $2,739 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.01 carat Radiant diamond J VS2

    $2,743 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    0.92 carat Oval diamond H SI1

    $2,754 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.00 carat Round diamond G SI2 Excellent

    $2,775 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.00 carat Round diamond H SI2 Excellent

    $2,847 USD Tax exc.
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