Ear studs with Pink Opal and Prasiolite. They are made in sterling silver and plated with 18-karat gold. The ear studs belong to the Reef collection, inspired by coral reef formations and mythical sea nymphs. Sold as a pair. Material: Gold Plated Karat: 18K Stone: Opal & Prasiolite Stone Colour: Pink/Rose & Green Number of Stones: 2 Stones Shape: Cabochon, Pear Does it come with certifacte?: No Can it be engraved?: No Sold as a pair