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 |