Sparkle and texture combine in this two-tone certified lab-grown diamond buckle necklace. Sterling silver with 10k gold plate the centerpiece showcases a ribbon of prong-set round certified lab-grown diamonds atop a wider curve bezel-set with round certified lab-grown diamonds rope texture and a buckle overlay add interest color rank of i and clarity of si2 with certification card 1/2 ct. T. W. Of certified lab-grown diamonds 18. 0-inch cable chain; lobster claw clasp