Birthstone Halo Stud Earrings 1 center. Solid 14kt Gold Post. Swarovski Zirconia. Platinum Plated Silver 14karat Gold & Sterling Silver Halo Style 1Carat Center CZ Stud Earrings Solid 14 Karat White Gold Post with Sterling Silver Mounting Rhodium plated to look and feel exactly like gold 1.00 Carat Total Weight Genuine Swarovski Pure Brilliance Center Stone measures 6.5 mm 44 Swarovski Gems accent stones measure 1.0mm each.