Gold finger ring (44.9 x 28.3 x 18.8 mm) set with a high-domed ruby cabochon bearing two engravings: a) an “Indus River dolphin” b) a monogram associated with the Greek king Menander I Soter (150–130 BCE). Eastern Hellenistic, ca. 2nd century BCE, found by a chance in Ai Khanoum. Before the discovery of diamonds in Brazil … Continue reading Ancient gemstones from India and Sri Lanka