Sapphire
For decades, milky whitish sapphires from Sri Lanka known as geudas were heated at a high temperature to produce superb blue colors. However, this process can also turn geudas into fine yellow and orange gems, such as this 3.60-ct specimen. Photo © Joel E. Arem, PhD, FGA. Used with permission.
Article: Sapphire Value, Price, and Jewelry Information
Credit: Joel E. Arem, PhD, FGA
Gemstone | Sapphire, Corundum |
Treatments | Heat Treatment |
Natural or man made | Natural |
Origin | Sri Lanka |
Carat Weight | 3.60 |
Gem State | Faceted |
Color | Orange |
Transparency | Transparent |