This lab-grown diamond necklace from the unstoppable love​ collection celebrates the one you'll never stop loving. 10k white gold a 1/2-carat oval-cut lab-grown diamond continuously moves and sparkles from every angle, just like your love round-cut lab-grown diamonds line the oval-shaped frame independently certified total lab-grown diamond weight is 1 carat 17- to 19-inch adjustable curb chain with lobster clasp