Stone: Natural Blue Zircon and Diamonds. Powered by SixBit's eCommerce Solution. The item "Antique 1930s DECO $4000 5ct Natural Old Cut Blue Zircon Diamond Platinum Ring" is in sale since Sunday, August 8, 2021. This item is in the category "Jewelry & Watches\Fine Jewelry\Fine Rings\Gemstone". The seller is "oldtreasures333" and is located in American Fork, Utah.This item can be shipped worldwide.