Sapphire Heart Ring in solid sterling silver. Size: 19.1 x 9.7 mm (0.75 x 0.38 in). Material: Sterling Silver. Total metal weight: 1.8 gr. Round cut sapphire (6 x 6 mm) = 1.25 ct total. Colour: Blue. Stone cut: Round Cut. Occasion: Mother's Day, Valentine's. Anniversary: 5th Anniversary, 45th Anniversary. Birthstone: September.