This period Art Deco brooch by the New York-based jewelers Marcus & Co. radiates with approximately 4.50 total carats of vivid pink sapphires. These sparkling gems are certified by the American Gemological Laboratories as Burmese in origin and completely free of heat treatment. The sapphires are bezel-set within the pin's symmetrical, scrolling design, which is accented by black enameling and dozens of white diamonds. Set in 18K yellow gold.