Rubies, emeralds, sapphires and amethyst with 14K gold rondels, approximately 4mm in diameter. The necklace has a handmade 14K gold link extender and a 14K gold lobster clasp and is adjustable from 17.5 -19 inches, a nice feature if you want to layer it with other necklaces. In stock and ready to pick up/ship within the U.S. only.