Rubies, emeralds, sapphires and amethyst with 14K gold, approximately 4mm in diameter. The necklace has a handmade extender and is adjustable from 17.5 -19 inches, a nice feature if you want to layer it with other gold necklaces. 15% of the sale of this piece will be donated to an organization of your choice. In stock and ready to pick up/ship within the U.S. only.