• 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

    1.00 carat Round diamond F VS2 Excellent

    $4,833 USD Tax exc.
    View details
  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.20 carat Round diamond G VS1 Excellent

    $4,838 USD Tax exc.
    View details
  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.20 carat Round diamond G VS1 Excellent

    $4,838 USD Tax exc.
    View details
  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.20 carat Round diamond G VS1 Excellent

    $4,838 USD Tax exc.
    View details
  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.01 carat Round diamond H VS1 VeryGood

    $4,840 USD Tax exc.
    View details
  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.50 carat Oval diamond L VS2

    $4,868 USD Tax exc.
    View details
  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.51 carat Radiant diamond K SI1

    $4,870 USD Tax exc.
    View details
  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.02 carat Round diamond E VS2 Excellent

    $4,881 USD Tax exc.
    View details
  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.07 carat Round diamond G SI1 Excellent

    $4,885 USD Tax exc.
    View details
  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.01 carat Round diamond H VS2 Excellent

    $4,920 USD Tax exc.
    View details
  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.01 carat Round diamond H VVS2 VeryGood

    $4,937 USD Tax exc.
    View details
  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.06 carat Round diamond H VVS2 Excellent

    $4,952 USD Tax exc.
    View details
  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.09 carat Round diamond H VS2 Excellent

    $4,990 USD Tax exc.
    View details
  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.24 carat Round diamond G VS1 Excellent

    $4,997 USD Tax exc.
    View details
  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.50 carat Oval diamond I SI2 VeryGood

    $5,043 USD Tax exc.
    View details
  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.00 carat Round diamond E VVS2 VeryGood

    $5,057 USD Tax exc.
    View details
  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.01 carat Round diamond G VS2 Excellent

    $5,061 USD Tax exc.
    View details
  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.00 carat Round diamond H VS2 Excellent

    $5,064 USD Tax exc.
    View details
  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.01 carat Round diamond G VVS2 Excellent

    $5,129 USD Tax exc.
    View details
  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.50 carat Round diamond I SI2 VeryGood

    $5,169 USD Tax exc.
    View details
  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.13 carat Round diamond H VS2 Excellent

    $5,170 USD Tax exc.
    View details
  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.00 carat Round diamond G VVS2 VeryGood

    $5,178 USD Tax exc.
    View details
  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.00 carat Round diamond G VVS2 VeryGood

    $5,178 USD Tax exc.
    View details
  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.00 carat Round diamond E SI1 Excellent

    $5,187 USD Tax exc.
    View details
  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.51 carat Round diamond L VS2 Excellent

    $5,212 USD Tax exc.
    View details
  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.00 carat Round diamond H VVS1 Excellent

    $5,216 USD Tax exc.
    View details
  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.50 carat Pear diamond I SI2

    $5,259 USD Tax exc.
    View details
  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.51 carat Round diamond K VS2 VeryGood

    $5,343 USD Tax exc.
    View details
  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.70 carat Oval diamond H SI2

    $5,382 USD Tax exc.
    View details
  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.12 carat Round diamond E VS1 Excellent

    $5,407 USD Tax exc.
    View details
  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.51 carat Oval diamond H SI2

    $5,411 USD Tax exc.
    View details
  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.50 carat Round diamond J SI2 Excellent

    $5,426 USD Tax exc.
    View details
  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.51 carat Round diamond L VVS2 VeryGood

    $5,461 USD Tax exc.
    View details
  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.00 carat Oval diamond Yellow SI1

    $5,483 USD Tax exc.
    View details
  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.60 carat Round diamond J SI2 Excellent

    $5,511 USD Tax exc.
    View details
  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.20 carat Radiant diamond G VS2

    $5,518 USD Tax exc.
    View details
  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.50 carat Round diamond H SI2 VeryGood

    $5,529 USD Tax exc.
    View details
  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.09 carat Round diamond E VS2 Excellent

    $5,534 USD Tax exc.
    View details
  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.00 carat Round diamond G VS2 Excellent

    $5,537 USD Tax exc.
    View details
  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.50 carat Round diamond K VS2 VeryGood

    $5,556 USD Tax exc.
    View details
  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.71 carat Princess diamond J SI2

    $5,597 USD Tax exc.
    View details
  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.30 carat Round diamond I VVS2 Excellent

    $5,668 USD Tax exc.
    View details
  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.10 carat Round diamond H VS2 Excellent

    $5,669 USD Tax exc.
    View details
  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.20 carat Princess diamond G VS2

    $5,691 USD Tax exc.
    View details
  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.20 carat Round diamond I VS2 Excellent

    $5,693 USD Tax exc.
    View details
  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.70 carat Princess diamond J SI2

    $5,767 USD Tax exc.
    View details
  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.50 carat Pear diamond I SI2

    $5,799 USD Tax exc.
    View details
  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.50 carat Round diamond H SI2 Excellent

    $5,813 USD Tax exc.
    View details
  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.50 carat Round diamond H SI2 Excellent

    $5,813 USD Tax exc.
    View details
  • Sold by Guy
    Diamantaire since 1966, Bourse of New York

    1.00 carat Round diamond D VS2 Excellent

    $5,834 USD Tax exc.
    View details