to a cushion shaped frame of calibre cut emeralds, the diamond millegrain set in platinum, the emerald border collet set in gold with a pierced C scroll gallery, between three stone diamond line pointed-end shoulders, tapering gold shank, the gold testing as 18ct Cluster 12.3 x 11.9mm
Diamond approximately 8.4 x 7.9 x 4.7mm Weight: 3.5g
Early 20th century three stone emerald and diamond ring, c.1910, set with a 3.97ct Colombian emerald of stepped square cut, flanked by two Asscher cut diamonds of approximately 2.25ct and 1.80ct,
Art Deco carved emerald cabochon and diamond ring by Mauboussin, with large dome shaped floral carved Colombian emerald of 50.87ct, probably Indian carved,