This half-and-half lab-grown diamond necklace is a stunning addition to their wardrobe. Sterling silver with 14k gold plate baguette-cut lab-grown diamonds are channel-set on the sterling silver side bezel-set round diamonds are set in gold plate color rank of f and clarity of si2 1 ct. T. W. Of lab-grown diamonds 18. 0-inch cable chain; lobster claw clasp