Heart Shaped Opal Pendant Necklace in solid sterling silver. Size: 9.1 x 19.1 mm (0.36 x 0.75 in). Material: Sterling Silver. Total metal weight: 3.42 gr. Heart shaped opal (9 x 9 mm) = 3 ct total. Colour: White. Stone cut: Heart Shaped. Occasion: Mother's Day. Anniversary: 14th Anniversary. Birthstone: October.