SHAY MINI ME DIAMOND HALO BLUE SAPPHIRE STUDS This item is in stock and ready to ship in 1 - 3 days. Details: 18-karat gold White Diamonds: approx .16 cts Blue Sapphire: approx .72 cts Natural stones only Closure: post back Width: 3mmx5mm Product Number: SKE5 Looking for something bespoke? Contact us . Slight variations in color, shape, and size are part of their beauty.