Lot 422 , A ruby and diamond ring

A ruby and diamond ring, the front of asymmetrical design, one side with a panel of invisibly-set calibré-cut rubies in the 'serti mysterieux' style, the other side pavé-set with brilliant-cut diamonds, mounted in gold, size O, stamped 740, numbered 1188, one ruby deficient, gross weight 5 grams
£300-400

Sold for £320