Octagonal Faceted Cushion Cut Measurements: 16.00 mm length x 12.40 mm width x 8.50 mm depth.
Color: Rich Yellow Ceylon color Sapphire
Chemical composition: Al2O3
Crystal Structure: Trigonal
Optic Character: DR
Refractive Index: 1.76 - 1.77
Specific Gravity: 4.00
Species: Corundum
Transparency: Transparent
Hardness Mohs: 9
Clarity: This is a Big Beautiful, IF to VVS clarity Sapphire Gemstone with absolutely gorgeous color!
Condition: Excellent pre-owned, never mounted.
Please understand that the photos are ENLARGED to show detail for your benefit - please use the measurements provided to understand the size of the gem or specimen up for auction- measurements are given in millimeters unless otherwise noted- 25.4 mm = 1.0 inches.
Note: Lab-created Sapphires, are gemstones grown in laboratories with human aid under controlled environments. They have identical chemical compositions to their natural counterparts (Al2O3) and the same optical and physical properties.
Lab-grown sapphires are valuable for two reasons of reasons. First, they are very durable – often more durable than naturally-mined sapphires. Second, they tend to have a deep, rich color that is very saturated and evenly distributed. This is often difficult to find in naturally-mined sapphires.