Lightweight 9ct Yellow Gold Created Opal 6mm Ball Stud Earrings
9ct = 375 = 9k = 9kt. Gemstone Type : Opal. Main Stone Size : 6mm. Gold & Platinum Purity Reference Platinum = 950 = PT950 = Plat. UK M = US 6.5 = EU 52 (16.71 mm). UK L = US 6 = EU 51 (16.31 mm). UK K = US 5.5 = EU 50 (15.90 mm).