Stud earrings featuring genuine opals from Ethiopia. Every opal is different with its unique ray of colours. The colours depend on the size of the spheres within the stone. Small spheres show blue, the largest show red and other colours too. Each opal is slightly different making your piece one-of-a-kind. 14 karat gold filled metal. Does not tarnish or wear off. Nickel free. Suitable for sensitive ears that can only wear solid gold. Sold as a pair. Handcrafted in Berkeley. Comes with a gift box.