An Antique Russian Emerald and Diamond Cluster Ring
The ring is prong-set with a cushion cut emerald (7.9 x 7.4 x 2.8 mm, approximately 1 carat),
framed by ten old European and old cushion cut diamonds, (average 3.5 x 2.5 mm, G-H color, VS1 – SI1 clarity).
Estimated total diamond weight – at least 2 carats
The ring is marked with 56 zolotnik gold standard and Moscow city assay mark.
US ring size 4 (12 mm)