Yellow gold plated round white Czelline opal studs.***** * Yellow Gold plated Sterling Silver * 6mm round white Czelline opal*****Hand crafted in Melbourne, Von Treskow jewellery melds the contemporary & vintage to create timeless designs. Featuring Freshwater Pearl and Czellline Opal, the AW24 collection is a nod to Von Treskow's classic design with a contemporary touch.