• 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

    1.51 carat Cushion diamond I SI1

    $7,051 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.51 carat Round diamond G SI2 Excellent

    $7,140 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.51 carat Cushion diamond J VS1

    $7,155 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.70 carat Round diamond K VS1 VeryGood

    $7,190 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    2.00 carat Oval diamond L SI2

    $7,194 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.70 carat Heart diamond I SI2

    $7,205 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.50 carat Oval diamond H SI2

    $7,212 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.76 carat Radiant diamond G SI2

    $7,216 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.80 carat Cushion diamond G SI2

    $7,219 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.50 carat Radiant diamond H SI2

    $7,230 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    2.00 carat Round diamond K VS2 Excellent

    $7,242 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.51 carat Round diamond G SI2 VeryGood

    $7,291 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.20 carat Round diamond F VS1 Excellent

    $7,300 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.01 carat Round diamond D VVS1 Excellent

    $7,405 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.50 carat Round diamond J VS1 Excellent

    $7,487 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.51 carat Oval diamond J VS2

    $7,495 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.81 carat Round diamond K VVS2 VeryGood

    $7,503 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.05 carat Round diamond F VVS2 Excellent

    $7,538 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.53 carat Round diamond J SI2 Good

    $7,614 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.50 carat Pear diamond F SI2

    $7,635 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.50 carat Round diamond K VVS2 Excellent

    $7,689 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.50 carat Round diamond I VS1 VeryGood

    $7,714 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.71 carat Heart diamond F SI2

    $7,719 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.50 carat Cushion diamond H VS2

    $7,743 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.50 carat Round diamond I SI2 Excellent

    $7,824 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.01 carat Round diamond D VVS2 VeryGood

    $7,842 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.58 carat Round diamond J VS1 Excellent

    $7,882 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.60 carat Cushion diamond D SI1

    $7,882 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.90 carat Cushion diamond J SI1

    $7,895 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    2.02 carat Cushion diamond M SI1

    $7,968 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.63 carat Round diamond F SI2 Excellent

    $8,033 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.50 carat Round diamond J VVS1 VeryGood

    $8,045 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.81 carat Heart diamond I SI2

    $8,082 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.72 carat Heart diamond G SI2

    $8,119 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.70 carat Princess diamond H SI1

    $8,123 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.50 carat Oval diamond H SI1

    $8,166 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.80 carat Oval diamond K VVS2

    $8,216 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.50 carat Radiant diamond F SI2

    $8,310 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.70 carat Heart diamond G SI2

    $8,327 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.50 carat Round diamond E SI1 VeryGood

    $8,369 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.50 carat Round diamond H VS2 VeryGood

    $8,373 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    3.01 carat Heart diamond M SI2

    $8,383 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.51 carat Round diamond H SI2 Excellent

    $8,419 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.01 carat Round diamond F IF Good

    $8,420 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.70 carat Round diamond J SI1 Excellent

    $8,424 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.00 carat Round diamond F VVS1 VeryGood

    $8,469 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    2.00 carat Round diamond J SI2 Excellent

    $8,526 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.50 carat Princess diamond H VS1

    $8,607 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.61 carat Princess diamond G SI1

    $8,651 USD Tax exc.
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  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.61 carat Cushion diamond G SI1

    $8,651 USD Tax exc.
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