Metal: 18K gold Main stone: South Sea cultured pearl, white, untreated Diameter: 10.5mm Shape: Perfectly round Mark: AU750 The metal part of the earring is made of 18K white gold and is set with two perfectly round South Sea cultured pearls. The pearls have slight growth marks on their surface, are perfectly round, and have a bright luster. This item also includes the exquisite leather jewellery box pictured. Shipping: We deliver via UPS, Royal Mail, DPD, and other logistics providers. Delivery times depend on your local postal system, but most orders within Europe arrive within 5 to 7 business days.