This long necklace from Marco Bicego is made with mixed tourmalines Necklace length: approx. 37.8 inches Hand-engraved 18-karat yellow gold Adjustable length Lobster clasp Professional cleaning recommended Made in Italy Please note: Each Marco Bicego piece is unique and actual stones used may vary. About the Marco Bicego Lunaria Collection: The Lunaria Collection is a line born from Marco's love of nature. Crafted entirely of hand-engraved, 18-karat yellow gold plates framed by polished gold and hand-molded by expert craftsmen, the collection resembles the gentle movement of petals blowing in the wind. The alternating sequences of plates yield lustrous necklaces, bracelets, earrings, and rings that translate into elegant and refined styles.