This original Art Deco ring, ca. 1925, by Cartier features a fine Colombian emerald weighing 1.72 carats. The luscious deep forest green emerald perfectly cut as a rectangular step-cut brings an amazing life to this gem. Accompanied by a report from the American Gemological Laboratories which states that the origin of this emerald is Columbia. Set in an impeccably hand-crafted platinum mounting by Cartier , the center gem is embellished by 3 bright white round cut diamonds on either shank set in channel with fine hand-worked milligrain. The inside of the shank is signed Cartier and is numbered 85793, IRID PLAT. Original Cartier red leather ring box. Ring size 7.