18kgp Vintage Cocktail SAPPHIRE Ring

18kgp Vintage Cocktail SAPPHIRE Ring! okay this ring LOOKS like ONYX bit it is SAPPHIRE! hardness of 8-9 and onyx is a 6-7 hardness! THESE ARE VERY DARK BLUE SAPPHIRES AND YOU CAN ONLY TELL ON CERTAIN ANGLES OF LIGHT! If you need a black stone to match your outfit this ring will do that as well and will compliment any dark fabric, especially blue!!