Ileana Makri's circular stud earrings are crafted of oxidized 18k white gold. Securing with a post back, these sparkling studs showcase a central round black diamond framed by pavé black diamonds. Pavé and round black diamonds. Oxidized 18k white gold. 7mm diameter (approximately). Post back. Ileana Makri Women's Circular Stud Earrings - Black A great designer gift. Shop Ileana Makri at Barneys New York.