• 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

    2.03 carat Round diamond H VVS1 Excellent

    $26,567 USD Tax exc.
    View details
  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    2.01 carat Round diamond H VVS1 Excellent

    $27,300 USD Tax exc.
    View details
  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    3.79 carat Round diamond L SI1 Excellent

    $27,761 USD Tax exc.
    View details
  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    2.70 carat Round diamond G VS2 Excellent

    $29,316 USD Tax exc.
    View details
  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    2.50 carat Round diamond G VS2 Excellent

    $29,438 USD Tax exc.
    View details
  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    3.01 carat Round diamond I SI1 Excellent

    $32,086 USD Tax exc.
    View details
  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    2.00 carat Pear diamond D VVS1

    $32,475 USD Tax exc.
    View details
  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    4.51 carat Round diamond J SI2 Excellent

    $32,682 USD Tax exc.
    View details
  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    3.01 carat Pear diamond I SI2

    $33,193 USD Tax exc.
    View details
  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    5.00 carat Oval diamond K SI2

    $33,488 USD Tax exc.
    View details
  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    2.01 carat Round diamond G VVS1 Excellent

    $34,506 USD Tax exc.
    View details
  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    3.02 carat Radiant diamond H SI2

    $36,224 USD Tax exc.
    View details
  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    4.02 carat Oval diamond K SI2

    $36,798 USD Tax exc.
    View details
  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    3.01 carat Round diamond G SI2 Excellent

    $37,166 USD Tax exc.
    View details
  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    3.01 carat Round diamond H SI1 Excellent

    $38,001 USD Tax exc.
    View details
  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    3.93 carat Round diamond I SI2 Excellent

    $38,982 USD Tax exc.
    View details
  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    3.06 carat Pear diamond E SI2

    $40,283 USD Tax exc.
    View details
  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    3.04 carat Round diamond I VVS2 Excellent

    $41,662 USD Tax exc.
    View details
  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    3.13 carat Round diamond F SI2 Excellent

    $42,377 USD Tax exc.
    View details
  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    3.03 carat Round diamond H SI1 Excellent

    $43,502 USD Tax exc.
    View details
  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    4.00 carat Round diamond M VVS1 Excellent

    $43,545 USD Tax exc.
    View details
  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    3.03 carat Pear diamond I VVS2

    $46,207 USD Tax exc.
    View details
  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    3.01 carat Round diamond E SI2 Excellent

    $47,686 USD Tax exc.
    View details
  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    3.01 carat Cushion diamond F VVS1

    $50,688 USD Tax exc.
    View details
  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    5.01 carat Oval diamond J SI1

    $51,365 USD Tax exc.
    View details
  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    3.02 carat Round diamond G VS1 Excellent

    $52,329 USD Tax exc.
    View details
  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    3.02 carat Round diamond D SI2 Excellent

    $52,623 USD Tax exc.
    View details
  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    5.01 carat Cushion diamond H SI2

    $58,617 USD Tax exc.
    View details
  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    5.23 carat Princess diamond J SI2

    $62,166 USD Tax exc.
    View details
  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    3.81 carat Round diamond D SI2 Excellent

    $63,016 USD Tax exc.
    View details
  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    4.02 carat Round diamond G VS2 VeryGood

    $63,925 USD Tax exc.
    View details
  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    3.00 carat Round diamond D VVS2 VeryGood

    $73,869 USD Tax exc.
    View details
  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    5.00 carat Emerald diamond H SI2

    $76,130 USD Tax exc.
    View details
  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    5.01 carat Round diamond I SI2 Excellent

    $78,036 USD Tax exc.
    View details
  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    3.51 carat Round diamond G VVS1 Excellent

    $79,018 USD Tax exc.
    View details
  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    4.01 carat Round diamond I VVS1 Excellent

    $89,113 USD Tax exc.
    View details
  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    4.02 carat Round diamond D VVS2 Excellent

    $158,109 USD Tax exc.
    View details
  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    11.07 carat Round diamond M SI1 Excellent

    $178,225 USD Tax exc.
    View details