Opal Pendant Necklace in solid sterling silver. Size: 9.7 x 19.1 mm (0.38 x 0.75 in). Material: Sterling Silver. Total metal weight: 3.72 gr. Pear cut opal (10 x 7 mm) = 1.5 ct total. Colour: White. Stone cut: Pear Cut. Occasion: Mother's Day. Anniversary: 14th Anniversary. Birthstone: October.