18k Gold Diamond and Emerald Ring

18k yellow gold and emerald ring. Elaborate Art Deco style ring with central natural untreated emerald surrounded by 32 small natural round brilliant cut diamonds on a thick band totalling 1.2 carats. Emerald cut center that measures 5.7 x 4.5mm, .70 carats, total gold weight 5.25DWT with mounted emerald and diamonds. Ring size 7.5, 8.20 grams, band. Marked "25MAL" with maker's mark. PERIOD: Late 20th CenturyORIGIN: Unknown, United StatesSIZE: Ring size 7.5, 8.20 grams, band .5mm.