Keshi cultured Pearls necklace. Length - 43 cm Weight - 24,4g Keshi cultured pearls are rare,, non-nucleated byproducts of the pearl cultivation process, formed when an oyster rejects an implanted bead but continues to secrete nacre around a loose piece of tissue. Originating from the Japanese word for "poppy seed," these 100% nacre gems are known for their high luster, irregular baroque shapes, and small size. Item will be shipped by registered mail with tracking number.