14 Kt Rose Gold Plate Lab Blue Sapphire Ring

14 Kt Rose Gold Plate Lab Grown Blue Sapphire Ring. This 1 Ct VVS1 Near Flawless Lab Sapphire is a Brilliant Round Cut Mounted in Solid .925 Sterling Silver with 14 Kt Rose Gold Overlay to give the ring it's high polish and shine. This high-quality ring is a size 8. Total gram weight is 3.6 grams. Simply beautiful. Don't miss this one. **This Lab Sapphire has the same exact chemical compound as natural, mined from the earth Sapphire. ** The chemical composition is: Al2O3 Crystal Structure: Hexagonal Purity: 99.99% Refractive Index: 1.717 Density: 3.98-4.1 g/cm3 Mohs Hardness: 9