An Art Deco diamond cluster ring

An Art Deco diamond cluster ring, the centre old-cut diamond accompanied by GIA certificate number 5151682924 stating the diamond to weigh 1.56 carats of H colour and VS1 clarity, surrounded by ten brilliant-cut diamonds forming a scalloped edge estimated to weigh 0.70 carats, each shoulder set with a baguette-cut diamond, all in platinum, circa 1930, gross weight 3.9 grams

No. 30960M