nas 14K-white-gold Ethereal stud earrings beautifully sparkle with oval lab-created diamonds. Lab-created diamonds, 1 tcw Diamond color grade: F-G Diamond clarity grade: SI 14K white gold Post back Imported SIZE About 4.6mm W x 6.6mm L. Fine Jewelry - Lab Grown Designer C > Nas > Saks Fifth Avenue > Barneys. nas.