Encrusted with pavé diamonds, these 14K white gold stud earrings showcase an elegant design featuring blue sapphires.. Since 1979, EFFY has designed some of the world’s most distinctive jewellery. Obsessed with quality and a meticulous craftsman, designer Effy Hematian ensures every piece of EFFY jewellery is infused with his creative vision. All EFFY jewellery is covered by a limited manufacturer’s warranty (details available with the purchased item).