From Brooke's Supernova Collection, one of a kind 18k Gold Opal Sun Ray Hand Engraved Necklace with Emerald and Sapphire Detailing.                  18k Gold Georgian Style Bezel Boulder Opal Hand Engraved Necklace with Emerald and Sapphire details. - Metal: 18k yellow gold - Center Stone: Opal, 1.92 ct - Accent Stones: Sapphire, 0.04 ct, Emerald, 0.03ct - Setting Measurements: 23 mm × 15 mm - Chain Type: 16.5-18” round chain  - Design: Georgian-style bezel setting with hand engraving - Necklace type: One of a kind