Antique emerald and diamond cluster ring, claw set with a cushion cut emerald

Bordered by twelve old brilliant cut diamonds, open set in silver and gold, tapering reeded gold shank, accompanied by to laboratory reports giving a Colombian origin opinion for the emerald and that it shows minor clarity enhancement, one from GCS report no. 81313-18 and one from CISGEM, Milan, no. 17846

Emerald 11x9x6mm
Weight: 6g