This is a moissanite (synthetic stone) necklace. Moissanite is a mineral discovered 50,000 years ago from the remains of a meteorite that fell from space. It has a beautiful, eye-catching shine, and is said to have a higher refractive index than natural diamonds, making it about 2.5 times as bright. Natural moissanite is extremely rare, but by successfully creating it artificially in the United States, you can now enjoy its brilliance. It also has excellent durability, making it perfect for everyday use. A bean-shaped pave necklace. By hanging the top on both sides, the shape of the beans is stable and shines on the neck. Beans are a popular shape as a lucky motif. * TAKE-UP products are Made in Japan, handcrafted by Japanese craftsmen. Materials 10K Yellow Gold, Moissanite Size [Charm] Height 6.0mm, Width 9.0mm [Chain] Length 40cm (with adjustable link at 37cm) * The lengths above are approximate. Product ID: 3048153