Dorsey - TATE LAB WHITE AND BLUE SAPPHIRE RING, GOLDThe Tate Cocktail Ring features a 2. 5 carat oval lab grown white sapphire, encircled by oval blue sapphires and round white sapphires or diamonds. **_Custom styles can only be returned for store credit. _** The Fine Print: Metal: 18k gold coated silver or 14k yellow gold Center stone: Lab grown white sapphire or diamond Inner halo: Lab grown blue sapphire Outer halo: Lab grown white sapphire or diamond Stone shape: Oval cut center and inner halo,