Send your love with this certified lab-grown multi-diamond heart necklace. 14k white gold features a heart-shaped composite of multi-sized round lab-grown diamonds, the largest the 1/10 ct. Center stone certified lab-grown diamonds; f color/si2 clarity includes certification card 1/4 ct. T. W. Of lab-grown diamonds 16. 0- to 18. 0-inch adjustable cable chain necklace; lobster claw clasp