Heart Shaped Sapphire Pendant Necklace in 9ct gold plated sterling silver. Size: 12.7 x 19.1 mm (0.5 x 0.75 in). Material: Gold Plated Sterling Silver. Total metal weight: 2.25 gr. Heart shaped sapphire (6 x 6 mm) = 1 ct total. Colour: Blue. Stone cut: Heart Shaped. Occasion: Wedding, Mother's Day, Graduation. Anniversary: 5th Anniversary, 45th Anniversary. Birthstone: September.