The key to modern, memorable style sometimes lies in the looks of the past. This warm quartz and citrine Konstantino ring is constructed of luminous sterling silver and yellow gold that's embellished with baroque carving to evoke a precious, heirloom sensibility. Oval-cut cognac quartz center set in 18-karat yellow gold. Round-cut citrine set in sterling silver filigree band. Handcrafted in Athens, Greece.