Black Diamonds

While large natural black diamonds like the Black Orlov (below) are exceptionally rare, you’ll find black diamond jewelry readily available. Most black diamonds have been treated for improved durability. Irradiated or heat treated black diamonds will cost substantially less than untreated or colorless diamonds.

The Black Orlov Diamond
The Black Orlov – Photo: AFP/ Carl De Souza

One of the most remarkable natural black diamonds in the world, the 67.50 carat Black Orlov.

Black Diamond Details

Cause of Color: Natural black diamonds are essentially colored by dark inclusions or impurities, which are great in number and evenly distributed throughout the stones. Many black diamonds in the marketplace are treated for even coloration and durability.

Rarity: Large natural black diamonds like the Black Orlov are very rare, but irradiated black diamonds are abundant and utilized in many jewelry styles.

Grading: Black diamonds are called Fancy Black with a notation of natural or treated color on laboratory reports. For example, GIA does not grade black diamonds as they fall outside of its normal clarity range, but the lab will issue a “Colored Diamond Identification and Origin Report (CDIOR) for identification purposes.

Black Diamond Gallery

Leone Collection black diamond earrings
Leone Collection black diamond earrings

Black diamond halo ring
Posted by LovingDiamonds
4.1ct black diamond halo ring

Black diamond ring by Leon Megé
black diamond ring
Photo courtesy of micropavé.com

Anne Sportun Black Diamond Rings
black diamond rings by Anne Sportun

Black diamond stud earrings by blue nile
black diamond stud earrings
Photo courtesy of blue nile

Black diamond ring by Engagement Rings Direct
Posted by makhro82
pavé black diamond ring

5 carat black diamond ring
5 carat black diamond ring by Itay Malkin

Related Topics on Black Diamonds:

Learn more about Fancy Color Diamonds

Have more questions about fancy color diamonds? Click on the links below or visit our Fancy Color Diamond Guide.

Discuss on the Forum

Discuss on the Forum

Fancy Colored Diamond Guide Topics:

Fancy Colored Diamond Introduction,
Yellow Diamonds,
Brown Diamonds,
Pink Diamonds,
Blue Diamonds,
Green Diamonds,
Black Diamonds,
Red Diamonds,
Orange Diamonds