Black Opal & CZ Vintage Pendant Necklace in solid sterling silver. Size: 19.1 x 38.1 mm (0.75 x 1.5 in). Material: Sterling Silver. Total metal weight: 5.77 gr. Pear cut black opal (15 x 10 mm) = 2.75 ct total. Round cut cubic zirconia (1 x 1 mm) = 0.87 ct total. Colour: Black. Stone cut: Pear Cut. Occasion: Engagement, Wedding, Mother's Day. Anniversary: 14th Anniversary. Birthstone: October.