This piece is Exquisite! A Stunning Solid 18K Gold and Genuine Persian Turquoise Mid-Century Modernist Brooch. Fabulous Mid-Century Autumn Leaf Piece, combining both smooth and textured 18K solid yellow gold. It definitely has the Look of Jewelry by Designers such as Cartier and Tiffany as you can see by the intricate craftsmanship as well as the construction in the back. Gorgeously and Richly Crafted in Solid 18K Gold, the most Beautiful Blue Persian Turquoise Stones enhance its Beauty Fabulously! Measuring 2"3/8 inches by 5/8" inch. Weighs 8.9 grams. Fully Hallmarked on back "18K Italy ". Gorgeous!