• Direct to diamantaires

  • Amazing value

  • 100% Ethically sourced

  • Diamond expert guidance

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

Filter & Sort

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

    1 carat Round diamond G VS2 Excellent

    $5,084 USD
    View details
  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    1.13 carat Princess diamond E I1

    $5,103 USD
    View details
  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    1.5 carat Oval diamond I SI2 Very good

    $5,150 USD
    View details
  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    1 carat Round diamond E VS2 Excellent

    $5,151 USD
    View details
  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    1.5 carat Round diamond K SI2 Excellent

    $5,154 USD
    View details
  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    1.02 carat Round diamond G VS1 Good

    $5,156 USD
    View details
  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    1.01 carat Round diamond F VS2 Very good

    $5,188 USD
    View details
  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    1.01 carat Round diamond D SI1 Excellent

    $5,194 USD
    View details
  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    1.01 carat Round diamond E VS2 Very good

    $5,202 USD
    View details
  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    1.01 carat Round diamond E VS2 Very good

    $5,202 USD
    View details
  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    1.01 carat Radiant diamond G SI1

    $5,206 USD
    View details
  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    1 carat Round diamond G SI2 Excellent

    $5,227 USD
    View details
  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    1.51 carat Round diamond K VS2 Very good

    $5,232 USD
    View details
  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    1.28 carat Round diamond K VS1 Excellent

    $5,256 USD
    View details
  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    1.00 carat Round diamond F VS2 Excellent

    $5,321 USD
    View details
  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    1.53 carat Round diamond M VS2 Excellent

    $5,326 USD
    View details
  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    1.71 carat Radiant diamond K SI1

    $5,336 USD
    View details
  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    1 carat Round diamond F VS2 Very good

    $5,340 USD
    View details
  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    1.02 carat Round diamond E VS2 Excellent

    $5,363 USD
    View details
  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    1.15 carat Princess diamond H VVS2

    $5,378 USD
    View details
  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    1 carat Round diamond G VS1 Very good

    $5,389 USD
    View details
  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    1.08 carat Round diamond H VS2 Excellent

    $5,394 USD
    View details
  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    1.79 carat Heart diamond J SI2

    $5,490 USD
    View details
  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    1.71 carat Radiant diamond Yellow VS2

    $5,491 USD
    View details
  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    1.7 carat Princess diamond H SI2

    $5,503 USD
    View details
  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    1.01 carat Round diamond G VS1 Very good

    $5,554 USD
    View details
  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    1 carat Round diamond G VS2 Very good

    $5,556 USD
    View details
  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    1.72 carat Round diamond L SI1 Excellent

    $5,599 USD
    View details
  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    1 carat Round diamond G VS1 Very good

    $5,610 USD
    View details
  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    1 carat Round diamond G VS1 Excellent

    $5,610 USD
    View details
  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    0.90 carat Round diamond G VS1 Very good

    $5,623 USD
    View details
  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    1.5 carat Round diamond G SI2 Good

    $5,638 USD
    View details
  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    1.01 carat Round diamond G VS1 Excellent

    $5,665 USD
    View details
  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    1.1 carat Round diamond J SI1 Excellent

    $5,699 USD
    View details
  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    1.00 carat Round diamond D VS2 Excellent

    $5,799 USD
    View details
  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    1.5 carat Round diamond J SI2 Excellent

    $5,800 USD
    View details
  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    1.02 carat Round diamond E SI1 Very good

    $5,817 USD
    View details
  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    1.3 carat Round diamond I VVS2 Excellent

    $5,817 USD
    View details
  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    1.71 carat Round diamond K SI2 Very good

    $5,865 USD
    View details
  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    1 carat Round diamond I VS2 Very good

    $5,878 USD
    View details
  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    1.05 carat Round diamond G VS1 Excellent

    $5,887 USD
    View details
  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    1.7 carat Cushion diamond G SI2

    $5,897 USD
    View details
  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    2 carat Oval diamond L SI2

    $5,907 USD
    View details
  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    2.5 carat Cushion diamond Yellow SI2

    $5,927 USD
    View details
  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    1.09 carat Round diamond E VS2 Excellent

    $5,961 USD
    View details
  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    1.2 carat Round diamond H VS1 Excellent

    $5,972 USD
    View details
  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    2.05 carat Round diamond Yellow VVS2

    $6,003 USD
    View details
  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    1.01 carat Round diamond E VS1 Very good

    $6,014 USD
    View details
  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    1.51 carat Round diamond L VS2 Excellent

    $6,015 USD
    View details
  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    1.01 carat Round diamond G VVS2 Excellent

    $6,027 USD
    View details

Compare /5

Loading...