Mysterious and magical, this moonstone and lab-grown diamond accent pendant is a sister-worthy gift. 10k gold a 5. 0 x 3. 0mm emerald-cut moonstone is the bezel-set centerpiece along the bail, lab-grown diamond accents shimmer 16. 0- to 18. 0-inch adjustable cable chain; spring-ring clasp from the whimly by zales collection