Antique Fire Opal & Diamond Ring On May 16, 2014 · You cannot add that amount of "Vintage 1950's Enamel Brooches" 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 Vintage Crocodile Brooch $1,695.00 Read more Vintage Diamond Platinum Ring $4,950.00 Add to cart Vintage 1950’s Enamel Brooches $595.00 Add to cart Sapphire Butterfly Brooch $4,950.00 Add to cart