Oval-cut black sapphire, 0.91 cts, 7.1 x 5.2 x 2.7 mm, heated, Australia. Photo courtesy of liveauctioneers.com and Treasure of Gems and Jewelry.
Translucent Black Sapphire, 0.91 ct Faceted, Heat-Treated from Australia
Oval-cut black sapphire, 0.91 cts, 7.1 x 5.2 x 2.7 mm, heated, Australia. Photo courtesy of liveauctioneers.com and Treasure of Gems and Jewelry.
Article: Ruby and Sapphire Origins
Credit: Treasure of Gems and Jewelry
| Gemstone | Sapphire, Corundum |
| Treatments | Heat Treatment |
| Natural or man made | Natural |
| Origin | Australia |
| Carat Weight | 0.91 |
| Height | 7.1 |
| Width | 5.2 |
| Depth | 2.7 |
| Gem State | Faceted |
| Color | Black |
| Transparency | Translucent |