Symbolizing the path of your unique story, the classic "y" necklace is reimagined in a modern silhouette—reminiscent of a star-filled sky—with a scattering of shimmering graduated lab-grown diamonds for otherworldly sparkle. 10k gold certified lab-grown diamonds graduate in size toward the y center and down the vertical drop f color/vs2 clarity with certification card 1 ct. T. W. Of lab-grown diamonds 16. 0- to 18. 0-inch adjustable cable chain; lobster claw clasp from the stellar star collection exclusive to zales