Antique Diamond Plaque Ring

18ct white gold Art Deco ring with a high domed top mount grain set with a solitaire old cut diamond of estimated weight 0.72ct graded as colour I-J clarity SI2 in a hexagonal shaped raised rim surrounded by ornately pierced detail above a scrollwork style gallery and grain set to each compass point with a smaller diamond to spear point shoulders divided at the top of the shank all to the double ridged band.
Total Estimated Diamond Weight: 0.92ct
Weight: 3.1grams
Age: C1920