10K Yellow Gold Created Opal with Diamond Drop Pendant Necklace, 18" Teardrop-shape simulated-opal pendant necklace in 10k yellow gold featuring small diamond below bale Rope chain with spring-ring clasp All our diamond suppliers confirm that they comply with the Kimberley Process to ensure that their diamonds are conflict free. Imported A small diamond round joins this necklace's bale with a dazzling teardrop of sparkling white created opal.