This lovely necklace features a variety of beads, including Blue Topaz, gray Pearl, Iolite, and Lapis Lazuli. The various shapes and sizes range from 3mm roundels to 5mm barrels for a dynamic boost to your outfit. The total length of the necklace is 18", plus a 2" diameter. Offerings Jewelry. A division of Sajen located in Putney Vermont, is designed by Marianna and Richard Jacobs and is handcrafted in Bali by trained artisans.