Main stone: Tahitian cultured pearl Colour: Grey, natural colour, untreated Metal: 18-carat yellow gold Marking: Au750 Size: 11.5mm The surface has minor 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.