For sale is this vintage, sterling silver ring set with an extraordinary and rather large, 7mm Japanese Akoya cultured pearl. The setting measures 5/8" from north to south and is currently a size 7. It is clearly marked STERLING and it dates to the 1940's when many of them were brought back from Japan. It weighs 2.9 grams and is in excellent condition. It strongly resembles Mikimoto but please keep in mind that all Mikimoto jewelry items were hallmarked, none of the hallmarks were ever removed or covered up and although this is the quality of & has the appearance of Mikimoto, it is not Mikimoto.