Fantastic 9ct gold ring with diamond cluster stone. The 375 gold stamp is marked on the inside of the band, English hallmark but there is no date letter. Makers mark reads AD Ltd. There is slight age to the edge of the stone, see pictures. Size UK N, US 6.75. Max width 2.1 cm or 0.8 inches. Weight 0.6 grams or 0.4 penny weight.