Columbian Emerald Ring

Ring; Columbian Emerald & diamond 5 stone, 18ct gold & platinum.
Square emerald cut emerald from Columbia, 2.56ct, rubover set in 18ct yellow gold. 2 pairs of graduated baguette cut diamonds, 0.38cts F VVS, capped end claw set in platinum. 18ct yellow gold band. Diamond Jubilee Hallmark.
Hand made in England.