David Yurman's 'Stax' ring is sculpted to resemble chain links - a motif that's become something of a signature for the fine jeweler. Encrusted with diamonds, it's handcrafted from 18-karat gold and glistens with a ruby at the center. Ruby Fine Jewelry, Luxury 14k Gold Chain Ring, Luxury Jewelry With Prong Setting And Oval Link, Luxury Oval Link Jewelry With Prong Setting, Fine Jewelry In Yellow Gold With Ruby, Fine Jewelry Ruby In Yellow Gold, Elegant Formal Chain Ring With Round Band, Elegant Round Band Chain Ring For Formal Occasions, Exquisite 14k Gold Jewelry For Promise Occasion