Description
Square Princess-cut Chatham Created Blue Sapphire
Specifications
| Weight: | 1.55 CT/ 1.8 CT/3.4 CT |
| Color: | Blue |
| Selling Unit of Measure: | ct |
| Gemstone Quality: | Gem |
| Gemstone Quality Description: | Medium to dark blue; eye clean; good cut; good polish |
| Stone Enhancement Code: | SYN |
| Month for Birthstone: | September |
| Stone Hardness: | 9 |
| Gem Species: | Synthetic Corundum |
| Stone RI: | 1.762-1.77 |
| Stone Specific Gravity: | 4.00 |
| Stone Optic Character: | DR |
| Stone Phenomena: | Asterism, Color Change, Chatoyancy (very rare) |
| Stone Ultrasonic Reaction: | Usually safe |
| Steamer Reaction: | Usually safe |
| Heat Reaction: | Poor-may sometimes improve color, but may cause loss of color |
| Chemical Reaction: | Solutions containing Borax |
| mm Size: | 6 x 6 /6.5 x 6.5 /8 x 8 |
