Collette Z Sterling Silver with Rhodium Plated Yellow Radiant with Clear Trillion Cubic Zirconia Three Stone Cocktail Ring (8). This three stone Collette Z ring takes your style to a whole new level. Made of Sterling silver with Rhodium plated, this stunning piece features a vibrant yellow radiant Cubic Zirconia center stone with dazzling clear trillion Cubic Zirconia side stones. This ring has a band that is highly polished for additional luster and charm. This ring is available in sizes 6, 7 and 8 .