SHAY DIAMOND ASSCHER TENNIS NECKLACE Twenty carats of natural asscher-cut diamonds, set in 18k gold. Fifteen and three-quarter inches — sits right at the collarbone. Every stone cut to show structure, not sparkle. You notice the geometry first. Details: 18-karat gold: approx 28.13gr Diamonds: approx 20.32cts Length: 15.75" Natural stones only Product Number: SN452 Looking for something bespoke? Contact us . Slight variations in color, shape, and size are part of their beauty.