Ring Art Deco style diamond 0.25 ct in gold

Ring Art Deco style diamond 0.25 ct in white gold 18 karats. Ring An engagement ring with a rectangular bezel and rounded edges, it features geometric shapes typical of the Art Deco period. This ring is centered diamond 0.25-carat brilliant-cut diamond. The diamond is surrounded by 20 diamonds brilliant-cut diamonds. The shoulders and underside of the ring are also set with diamonds. Ring vintage engagement ring, circa 1990.  English hallmarks 750, mark in the shape of a diamond, anchor hallmark for Birmingham, XM hallmark for the goldsmith. Size Size: 53 EU or 6.5 US (sizing possible) Features of the diamond : Shape-size: round-brilliant - Dimensions: 4.24 x 4.24 x 2.26 mm - Mass: 0.25 carat - Colour: G - Clarity: SI2 - Cut: brilliant - Polished: good Symmetry: good Fluorescence: weak - Comments: witness of the rough shape Estimated total weight of diamonds 0.45 ct Weight : 3,4 gr