Pearl & Spinel Beaded Necklace Details beaded necklace. Approx. 18"L. 18-karat white gold hardware. Faceted black spinel beads, 4mm. Filigree fish hook clasp. Made in USA. Since 1933, has been dedicated to obtaining the most exceptional pearls to create the most exceptional jewellery. Earrings, necklaces, bracelets, and rings feature 18-karat gold settings. Whether pearls are framed with pavé diamonds, set in ornamental bezels, or simply strung, every piece is thoughtfully conceived. Gender: Female. Age Group: Adult.