Item Description: Set with a. 25ct VS H Old Euro Diamond and. 25ct in Trillion Blue Sapphires. NICE detailed filigree and rare find. NICE piece and circa 1920s.Gram Weight: 2.3 grams. 50ct Old Euro Diamond Blue Sapphire 18k White Gold Filigree Ring" is in sale since Friday, August 26, 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.