Antique Petri Art Deco platinum diamond engagement ring, circa 1920. This Art Deco engagement ring marked Petri is crafted in platinum. The platinum ring features an illusion set .80 carat old European cut diamond center with VS1 clarity and J color. There are also 20 accent diamonds consisting of four old European cuts at .11 carat total weight, four full cuts at .08 carat total weight, and 14 single cuts at .15 carat total weight. This Art Deco ring has hand engraving and milgrain detailing. The antique diamond ring weighs 5.0 grams, is a size 8, and is appraised at $7,400.
10.78mm tapering to 1.95mm