This Small Vintage Brooch is a Highly Collectible Item from Curtis Jewelry Manufacturing (1950 Circa) They are known for their Modernist, Artistic designs I do not have a clue as to what the featured stone is Depending upon the light, it can look Amber, Purple or Brown; it may even be a synthetic CZ of some nature Brooch has a Total Length of 1 & 3/4 Inches and is 3/4 of an Inch at its Widest Point Small, yet Interesting with a Simple Elegance Priced to Sell for $28 from The Genuine Stoner Closet