White Gold Rhodium Bonded Dome Ring featuring Oval Jet Black CZ in Silvertone. Midnight Dome is a geometric masterpiece. Beautiful Jet black stones atop an oval shaped piece with silver tone. Black and silver have never looked so contemporary. White Gold Rhodium Bond is achieved using an electroplating process that coats the item with heavy layers of rhodium a close cousin of platinum that costs three times as much which gives our jewelry a platinum luster.