Brooches Jewels : Tiffany & Co. – Audubon Brooch – 18cts. Gold, Pavé set Diamonds, Emeralds, … 29 July 2018 3134 Brooches Jewels : Tiffany & Co. – Audubon Brooch – 18cts. Gold, Pavé set Diamonds, Emeralds, Sapphires, Purple, Blue and Red Enamel.