Edwardian 15ct Gold, Ruby & Diamond Tie Pin

A decorative 15ct62.5% pure gold (or 625 parts pure gold and 375 parts other metals). Popular during the Victorian, Edwardian and Art Deco eras but was discontinued in the mid-1930s. gold tie pin set with a rubyOne of the most valuable gemstones on earth. From the corundum family, the red variety being ruby and the blue, sapphire. With the exception of the diamond, corundum is the hardest of the gemstones on the Mohs scale scoring a 9. and two diamonds in a scroll design. It was made circa 1900-1910.