Wishlist Product W.A. Bolin 18k Ruby and Diamond Floral Brooch, Stockholm 1944 Bulgari Amethyst Gold Steel Tubogas Bangle, ca 1990. Bulgari “Bvlgari Bvlgari” Tubogas Bracelet with Black Onyx, c. 1980 En Tremblant - A Diamond Flower Brooch, by Bvlgari (Attrib.), circa 1960.