Solid 18 Carat Gold Ring Set with Vintage Jade Size 54 Fr. 18 carat gold ring Vintage ring circa 1960 in 18 carat gold hallmarked with the owl (the hallmark is partly erased) set with a large jade cabochon. Tested with appropriate acid Jade dimension approximately 2x1.5cms Weight of the ring approximately 12.1 grams Size 54FR