Treat the one you love to this dazzling certified multi-lab-grown diamond heart necklace. 14k white gold box chain necklace is anchored with a certified lab-grown diamond-lined heart-shaped frame a 1/3 ct. Heart-shaped certified lab-grown diamond centres the heart 1/2 ct. T. W. Of diamonds f color/si2 clarity with certification card 18. 0-inch necklace; spring-ring clasp