SHAY EMERALD & DIAMOND CASCADE NECKLACE This item is ready to ship in 1 - 3 days. Details: 18-karat gold White Diamonds: approx 0.1 cts Emeralds: approx 0.58 cts Natural stones only Adjustable length: 16.5" Closure: Lobster Clasp Product Number: SN650 Looking for something bespoke? Contact us . Slight variations in color, shape, and size are part of their beauty.