Brazil (c1955) A sculptural ring by Heraldo Burle Marx. The polished 18k rose gold ring with a 7/8″ x 1/2″ h pyramid shaped carved aquamarine ring in the ” Forma Livre” style, a cut Burle-Marx pioneered in the mid 1950′s. Known for his inventive style and use of Brazilian gemstones, Marx made a name for himself amongst prominent European collectors and socialites. His work as an artist-jeweler is distinct and memorable. Makers Marks partially worn, French import mark. Pretty and Unique. Size 5 3/4.