Centre stone: Tahitian cultured pearl Colour: Grey, natural colour, untreated Diameter: 11.8mm Shape: Perfectly round Metal: 18K yellow gold Hallmark: Au750 This piece of jewellery is crafted from 18K yellow gold and a Tahitian cultured pearl. The pearl measures 11.8mm in diameter, has a bright lustre and displays slight growth imperfections. 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.