Ark Angel Alchemy Natural Rainbow Moonstone 38ct. 18" Cluster Necklace in Sterling Silver Box The central gemstones span 120mm with a width of 30mm at the center of the necklace. . Weighing 35 grams and 176 ct.t.w. Necklace is 18" with natural, rainbow moonstone gemstones. The large, marquise stones are 10mm x 5mm and the small, marquise stones are 8mm x 5mm.* Handmade, Polished Finish, Excellent Quality, Meticulous Detail. Free Silver Gift Box