Elevate your look with a subtle pop of sparkle from this lab-grown diamond marquise necklace from pdpaola™ at zales. Crafted in 18k gold the slender marquise-shaped drop shimmers with subtly graduated lab-grown diamonds. Captivating with 1/6 ct. T. W. Of lab-grown diamonds this design suspends centered along a 19. 5-inch cable chain that secures with a lobster claw clasp. Additional closure rings at 15. 5 and 17. 5 inches.