A Ladies Exceptionally Rare 18K Yellow Gold And Platinum Unicorn Brooch By Mcteigue & Co. And Bearing The Mcteigue Hallmark. The Seated Unicorn Is Inspired By "The Unicorn Rests In A Garden" Tapestry At The Met Cloisters Museum New York And Measures Approximately 24 Mm Wide And 26.8 Mm Tall. It Has A Blue Enameled Collar, A Round Ruby Eye, And Is Set With 56 Round Brilliant Cut Diamonds Having A Total Approximate Weight Of More Than 1/2 Carat.