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