SHAY DIAMOND RADIANT OCTAGON NECKLACE This item is ready to ship in 1 - 3 days. Details: 18-karat gold Diamonds: approx 0.96 cts Natural stones only Adjustable Length: 24in Pendant size: 23mmx 23mm Product Number: SN585 Looking for something bespoke? Contact us . Slight variations in color, shape, and size are part of their beauty.