Long TOUS Nocturne half-moon earrings in silver vermeil, with 0.50 ct mix color single-cut diamonds and Ø4-4.5 mm. pearl. Hook closure. Half-moon size: 1.5 cm. Earring length: 7 cm. Vermeil is a layer of 18kt gold on sterling silver with a minimum thickness of 2.5 microns, with no other material between them.