18k yellow gold ring set with four rubies and five round-cut or marquise-cut diamonds (tightening bow). French work from the 1970s. Finger: 50 - Gross weight: 4.6 g Specific sales conditions: Gemstones and pearls may have undergone embellishment practices (oiling for emeralds, heat treatment for sapphires or rubies, bleaching for pearls). These enhancements are considered traditional and are accepted by the international gemstone and pearl trade. Consequently, these treatments are not mentioned in the catalog.