The unique, irregular surface and texture of the Moon inspire the Luah collection, and this donut necklace in silver vermeil with a black cord. TOUS Luah donut necklace in silver vermeil with black cord. Size of donut: 40 mm. Necklace length: 120 cm. Sterling silver plated with 18kt gold with a thickness of 3 to 5 microns and with no other metal between them. Production technique: Electroforming with no core.