SHAY EMERALD HEART TENNIS NECKLACE A 9.35-carat natural emerald heart on a four-carat diamond tennis line, set in 18k gold. Adjusts from twelve to fourteen and a half inches. The color does the talking. Details: 18-karat gold: approx 26.95gr Emerald: 9.35cts Diamonds: approx 4cts Adjustable Length: 12 - 14.5in Natural stones only Product Number: SN545 Looking for something bespoke? Contact us . Slight variations in color, shape, and size are part of their beauty.