Hand crafted in 18ct white gold, these opal earring drops are handset with 60 stones, two opals and shimmering high shine diamonds with a total carat weight of 0. 59ct. Wear with a pair of Dusty Diamond Hoops in 18ct white gold to complete the look. This One of a Kind opal doublets have been hand-picked from Annoushka\\\'s personal stone collection. Resembling the Northern Lights, opals are described as iridescent because when viewed from different angles the light can play on its surface, they display a rainbow of colour in what is known as \\\'play-of-colour\\\' or flashes\\\'.