• 14 days return

  • Free shipping

  • Diamond expert team

toto
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

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

    0.71 carat Radiant diamond G SI1

    $1,411 USD
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  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    0.58 carat Round diamond G VS2 Very good

    $1,424 USD
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  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    0.71 carat Princess diamond F SI1

    $1,449 USD
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  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    0.52 carat Round diamond Yellow SI1

    $1,521 USD
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  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    0.80 carat Cushion diamond D SI2

    $1,522 USD
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  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    0.71 carat Radiant diamond F SI1

    $1,542 USD
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  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    0.71 carat Radiant diamond E SI1

    $1,543 USD
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  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    0.95 carat Cushion diamond Yellow I1

    $1,543 USD
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  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    0.91 carat Round diamond E I1 Excellent

    $1,551 USD
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  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    0.90 carat Radiant diamond K SI1

    $1,557 USD
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  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    0.90 carat Princess diamond F I1

    $1,582 USD
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  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    1.12 carat Oval diamond M SI2

    $1,589 USD
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  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    0.70 carat Emerald diamond H VS1

    $1,591 USD
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  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    0.70 carat Round diamond E SI2 Very good

    $1,598 USD
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  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    1.00 carat Oval diamond K SI2

    $1,599 USD
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  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    0.80 carat Cushion diamond J VVS1

    $1,605 USD
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  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    0.80 carat Emerald diamond H VS2

    $1,605 USD
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  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    1.25 carat Radiant diamond Yellow SI1

    $1,620 USD
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  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    0.81 carat Cushion diamond F SI1

    $1,625 USD
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  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    0.70 carat Princess diamond F VS2

    $1,634 USD
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  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    0.73 carat Pear diamond I VVS2

    $1,670 USD
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  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    0.60 carat Round diamond H VS1 Very good

    $1,679 USD
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  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    1.20 carat Round diamond M SI2 Excellent

    $1,690 USD
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  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    0.90 carat Princess diamond L VS1

    $1,700 USD
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  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    0.70 carat Oval diamond H VS1

    $1,716 USD
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  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    0.70 carat Marquise diamond D SI1

    $1,722 USD
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  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    1.13 carat Radiant diamond L SI1

    $1,736 USD
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  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    1.26 carat Radiant diamond M SI2

    $1,736 USD
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  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    0.72 carat Princess diamond F VS2

    $1,771 USD
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  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    0.80 carat Cushion diamond E SI1

    $1,789 USD
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  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    1.02 carat Oval diamond Yellow SI1

    $1,808 USD
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  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    0.90 carat Radiant diamond K VS1

    $1,817 USD
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  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    1.17 carat Radiant diamond L SI2

    $1,842 USD
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  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    0.80 carat Emerald diamond E SI1

    $1,849 USD
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  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    0.71 carat Round diamond E SI1 Excellent

    $1,866 USD
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  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    0.80 carat Princess diamond D SI1

    $1,904 USD
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  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    0.90 carat Princess diamond G SI2 Good

    $1,912 USD
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  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    1.03 carat Cushion diamond L SI1

    $1,944 USD
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  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    0.70 carat Marquise diamond G VS2

    $1,948 USD
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  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    1.31 carat Round diamond L SI1 Very good

    $1,979 USD
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  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    1.08 carat Cushion diamond K I1

    $2,004 USD
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  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    1.00 carat Radiant diamond K VS2

    $2,015 USD
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  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    1.24 carat Round diamond L I1 Very good

    $2,047 USD
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  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    1.06 carat Round diamond M SI2 Excellent

    $2,067 USD
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  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    1.32 carat Oval diamond L SI2

    $2,069 USD
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  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    0.80 carat Heart diamond F VS2

    $2,073 USD
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  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    1.00 carat Round diamond G I1 Good

    $2,102 USD
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  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    1.05 carat Radiant diamond E I1

    $2,102 USD
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  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    1.05 carat Cushion diamond Yellow SI1

    $2,103 USD
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  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    1.05 carat Oval diamond G I1

    $2,111 USD
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