Antique Old Mine Cut Diamond Cluster EarringsAntique Diamond Cluster Earrings Austria Hungary, circa 1900. Varied shapes of old mine cut diamonds surround two pear shaped stones set in silver on 14k gold. Collectively the diamonds weigh approximately two carats. Hallmarks indicate they were made in the Austro Hungarian Empire before World War I. They are very wearable for everyday. Earring hooks with hinged backs. Measures 0. 50 inches in length.