• 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

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

    1.58 carat Round diamond I VVS2 Excellent

    $9,972 USD
    View details
  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    1.5 carat Round diamond E SI1 Very good

    $9,973 USD
    View details
  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    1.7 carat Heart diamond I SI2

    $10,021 USD
    View details
  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    1.5 carat Round diamond I SI1 Excellent

    $10,068 USD
    View details
  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    1.01 carat Round diamond D VVS1 Excellent

    $10,091 USD
    View details
  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    1.51 carat Cushion diamond G VS2

    $10,093 USD
    View details
  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    1.51 carat Princess diamond I VVS1

    $10,125 USD
    View details
  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    2.01 carat Round diamond K VVS2 Excellent

    $10,210 USD
    View details
  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    1.58 carat Round diamond J VS1 Excellent

    $10,226 USD
    View details
  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    1.61 carat Princess diamond I VVS1

    $10,236 USD
    View details
  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    1.5 carat Pear diamond D SI2

    $10,281 USD
    View details
  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    1.5 carat Round diamond H VVS2 Excellent

    $10,281 USD
    View details
  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    2.2 carat Round diamond J SI1 Excellent

    $10,292 USD
    View details
  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    2 carat Round diamond M SI2 Good

    $10,308 USD
    View details
  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    2 carat Round diamond J SI2 Excellent

    $10,324 USD
    View details
  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    2.5 carat Round diamond M SI2 Excellent

    $10,369 USD
    View details
  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    1.71 carat Round diamond H VS2 Excellent

    $10,475 USD
    View details
  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    2.01 carat Radiant diamond J SI2

    $10,503 USD
    View details
  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    1.81 carat Round diamond K VVS2 Very good

    $10,543 USD
    View details
  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    1.5 carat Round diamond H VVS1 Very good

    $10,554 USD
    View details
  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    1.72 carat Heart diamond G SI2

    $10,648 USD
    View details
  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    1.01 carat Round diamond F VVS1 Very good

    $10,700 USD
    View details
  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    1.5 carat Marquise diamond G VS2

    $10,718 USD
    View details
  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    1.5 carat Round diamond G VS1 Very good

    $10,735 USD
    View details
  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    1.72 carat Heart diamond H SI2

    $10,744 USD
    View details
  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    1.22 carat Round diamond I VS1 Excellent

    $10,767 USD
    View details
  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    1.81 carat Heart diamond I SI2

    $10,891 USD
    View details
  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    1.5 carat Round diamond G SI1 Excellent

    $11,034 USD
    View details
  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    2.3 carat Round diamond H I1 Excellent

    $11,175 USD
    View details
  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    1.5 carat Emerald diamond H VS1

    $11,233 USD
    View details
  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    1.51 carat Round diamond G VS1 Very good

    $11,262 USD
    View details
  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    1.51 carat Round diamond G SI2 Very good

    $11,287 USD
    View details
  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    1.51 carat Princess diamond E VS2

    $11,389 USD
    View details
  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    1.6 carat Cushion diamond D SI1

    $11,410 USD
    View details
  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    1.5 carat Princess diamond H VS1

    $11,425 USD
    View details
  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    1.76 carat Radiant diamond G SI2

    $11,556 USD
    View details
  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    2.01 carat Round diamond I SI2 Excellent

    $11,645 USD
    View details
  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    2 carat Pear diamond J SI2

    $11,658 USD
    View details
  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    1.71 carat Heart diamond F SI2

    $11,693 USD
    View details
  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    1.50 carat Round diamond G VVS2 Excellent

    $11,703 USD
    View details
  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    2.14 carat Radiant diamond G SI1

    $11,827 USD
    View details
  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    1.74 carat Round diamond I SI2 Excellent

    $11,996 USD
    View details
  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    2.01 carat Marquise diamond J SI2

    $12,074 USD
    View details
  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    2.03 carat Round diamond L VVS1 Excellent

    $12,092 USD
    View details
  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    2.62 carat Oval diamond L SI1

    $12,105 USD
    View details
  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    2.01 carat Oval diamond J VS2

    $12,123 USD
    View details
  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    1.51 carat Princess diamond E VS2

    $12,235 USD
    View details
  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    1.78 carat Cushion diamond D VS2

    $12,294 USD
    View details
  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    2.01 carat Radiant diamond I SI1

    $12,299 USD
    View details
  • Sell by Guy
    Diamantaire since 1966, Bourse of New York

    2.01 carat Radiant diamond I SI1

    $12,299 USD
    View details

Compare /5

Loading...