Necklace Collection : “Les Tres Baigneurs”, 18 karat yellow gold, 22 karat gold, shakudo, pure silver,… 22 June 2018 3060 Necklace Collection : “Les Tres Baigneurs”, 18 karat yellow gold, 22 karat gold, shakudo, pure silver, enamel, Lalique glass, Lightning Ridge black opal, American natural Mississippi River pearls, diamensions: 2 3/4″ x 2 3/4″.