![Lot - JEWELRY: Platinum Edwardian Diamond Ring, oblong, filigree Edwardian mounting is stamped: "10% Irid Plat", platinum, center set with... Lot - JEWELRY: Platinum Edwardian Diamond Ring, oblong, filigree Edwardian mounting is stamped: "10% Irid Plat", platinum, center set with...](https://image.invaluable.com/housePhotos/auctionsappraisers/61/711161/H0150-L269936083.jpg)
Lot - JEWELRY: Platinum Edwardian Diamond Ring, oblong, filigree Edwardian mounting is stamped: "10% Irid Plat", platinum, center set with...
![Lot - JEWELRY: Platinum and diamond engagement ring, setting: stamped and tested "10% IRID PLAT", platinum, four prong crown in center, to... Lot - JEWELRY: Platinum and diamond engagement ring, setting: stamped and tested "10% IRID PLAT", platinum, four prong crown in center, to...](https://image.invaluable.com/housePhotos/auctionsappraisers/09/695109/H0150-L249796508.jpg)
Lot - JEWELRY: Platinum and diamond engagement ring, setting: stamped and tested "10% IRID PLAT", platinum, four prong crown in center, to...
![Edwardian three diamond engagement ring (plus 4 tiny diamonds) circa 1915. Platinum setting marke… | Three diamond engagement ring, Diamond engagement, Tiny diamond Edwardian three diamond engagement ring (plus 4 tiny diamonds) circa 1915. Platinum setting marke… | Three diamond engagement ring, Diamond engagement, Tiny diamond](https://i.pinimg.com/736x/8c/bd/81/8cbd8191fb70f5d1896f3dd0a23939dc--diamond-engagement-rings-vintage-jewelry.jpg)
Edwardian three diamond engagement ring (plus 4 tiny diamonds) circa 1915. Platinum setting marke… | Three diamond engagement ring, Diamond engagement, Tiny diamond
![American platinum round and baguette cut diamond asymmetric spray marquise shaped ring, circa 1950's, stamped 10% Irid Plat, central diamond approx 0.7 carat - Jewellery, Watches & Silver American platinum round and baguette cut diamond asymmetric spray marquise shaped ring, circa 1950's, stamped 10% Irid Plat, central diamond approx 0.7 carat - Jewellery, Watches & Silver](https://www.davidduggleby.com/files/images/auctions/GUID/0b2e71a3-1e9e-40ec-8a26-bdfd70a065ed.jpg)
American platinum round and baguette cut diamond asymmetric spray marquise shaped ring, circa 1950's, stamped 10% Irid Plat, central diamond approx 0.7 carat - Jewellery, Watches & Silver
![Vintage 10% Irid 90% Plat European Cut Diamond with Baguette 3-Stone Ring at 1stDibs | 10 irid plat, 10% irid plat worth, 10 irid plat ring value Vintage 10% Irid 90% Plat European Cut Diamond with Baguette 3-Stone Ring at 1stDibs | 10 irid plat, 10% irid plat worth, 10 irid plat ring value](https://a.1stdibscdn.com/vintage-10-irid-90-plat-european-cut-diamond-with-baguette-3-stone-ring-for-sale/1121189/j_113645521611652526044/11364552_master.jpg?width=768)
Vintage 10% Irid 90% Plat European Cut Diamond with Baguette 3-Stone Ring at 1stDibs | 10 irid plat, 10% irid plat worth, 10 irid plat ring value
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