These are very old and very beautiful! The large Rhinestones are in jewel tones. All prong set with open backs. They measure 1 inch long. These are adjustable clip on style or known as screw backs. Circa 1930's in very good Vintage condition! FREE vintage or newpierced chandelier earrings with any 20 dollar order! See all our greatVintage Jewelry items along with Gemstone Jewelry, Designer Jewelry, Pendants, Rings, BEADS, Art and more in our ebay store! I have a Degree in Fine Art and have studied Collectible Costume Jewelry for over 4 years now! No reasonable best offer is ever declined!