Antique Fire Opal & Diamond Ring On May 16, 2014 · You cannot add that amount of "Schlumberger Tiffany & Co. Lapis Lazuli Gold Brooch" to the cart because there is not enough stock (0 remaining). $0.00 Out of stock SKU: SKU-2298 Category: Archive Description Description Vintage Opal Fire Ring. Opal is for October birth Special! Circa 1910 Fire Opal ring flanked by six Old Mine cut diamonds. 18KT yellow gold. Size 6 Related products Antique Two Tone Old Cut Diamond Ring $2,950.00 Add to cart English Victorian Padlock Gold Bracelet $1,250.00 Read more Vintage “Chai” Pendant $1,995.00 Read more Vintage Crocodile Brooch $1,695.00 Read more