Presented here, an antique 18K gold and silver ring, Georgian period, decorated with a total of ten (10) natural diamonds chips, old rose-cut,  set in sterling silver bezels, surrounding a natural colombian emerald, oval cut, set in a ornated bezel of yellow gold (see pictures, please). The emerald measures 6 X 4mm and each natural  diamond measures 2mm diameter, approx.
 
Please refer to the pictures, they speak for themselves.
 
MEASURES:  rosetta itself measures 13 X 12mm.
 
US RING SIZE:  11
 
WEIGHT:  4.50gr
 
ESTIMATED AGE: GEORGIAN period, circa 1820
 
GENERAL CONDITIONS: very good general conditions (please, refer to the pictures).