52ct total and so nice. Solid 14k Yellow Gold and White gold top. Great looking piece and nice ROUND Alexandrite...Which is hard to come by. Metal: 14 KT Yellow & White Gold. Powered by SixBit's eCommerce Solution. The item "Antique 1940s Signed KB $4000.50ct Natural Alexandrite Diamond 14k Gold Ring" is in sale since Monday, November 27, 2017. 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.