Radiate style and glamour with this chic lab-grown diamond "y" necklace from pdpaola™ at zales. 18k gold a single lab-grown diamond shimmers at the y point below, a teardrop-shaped composite of round lab-grown diamonds dangles 1/15 ct. T. W. Of lab-grown diamonds 15. 5- to 19. 5-inch adjustable forzatina cable chain necklace; spring-ring clasp