Item Description: Set with a 1ct VS H Old Mine Cut Diamond and. 50ct in Old Cut VS G Diamonds and Blue Sapphires. Open filigree and solid Platinum... Circa 1920s and just stunning. These are rare and in Platinum you cannot find them at this price.Almost 100 years old and exceptionally well preserved. Gram Weight: 3.3 grams. The item "Antique 1920s 1.50ct VS H Old Mine Cut Diamond Sapphire Platinum Filigree Ring" is in sale since Monday, October 17, 2016. This item is in the category "Jewelry & Watches\Fine Jewelry\Fine Rings\Diamond". The seller is "oldtreasures333" and is located in American Fork, Utah. This item can be shipped worldwide.