Of rectangular form featuring a central free form "forma livre" carved aquamarine (29.21 x 11.33 mm), set on tapering brushed gold shank, stamped NDRK / GG / 791, 750, and with maker's mark.

31.8 x 16.47 mm; Ring size 4.75

11.4 dwt.

From the Collection of the late Ronald and Elizabeth Sher, Pittsboro, North Carolina

The Burle Marx brothers of Brazil were known for their exceptional artistic skill in their unique cut of Brazillian gemstones,"forma livre," a free form cut style that created abstract and organic sculptural forms to their designs.

Good estate condition.

$500 - 800