Bague Classique Demi-Eternité Or Jaune 375 Rubis et Diamant9 Carat Yellow Gold, Ruby and Diamond Ring The ruby gemstone is known as the gemstone of love, and is a member of the Corundum family. It is often given as a gift to show the strenght of one's relationship. A beautiful polished 9ct yellow gold half eternity inspired ring design, is designed to perfection and features five faceted round cut red Ruby gemstones,set in a 9ct yellow gold ring band, with four complimenting round cut diamonds. A Diamond is: