Jewelry Trends Sterling Silver Created Blue Opal and Purple CZ Open Heart Pendant Necklace 18" Metal: Sterling silver; Finish: High polish Pendant showcases six hand-inlaid lab-created blue opals along with a single round purple cubic zirconia stone Pendant dimensions: 21.3 mm wide x 26.4 mm long Box chain dimensions: 0.8 mm wide x 18 inches long; Clasp: Spring ring Complimentary gift box included