Researchers from the University of New England have analysed several sauropod teeth preserved through opalisation in Lightning Ridge, NSW, discovering previously unknown details about dinosaurs that […]

A subsidiary of Alrosa has discovered the largest natural fancy colour diamond ever found in Russia, weighing 236 carats. The stone is described as having an […]

Alan Bronstein, president NCDIA, said, “In our effort to show a vision of leadership for the future of the most extraordinary natural gemstones, the Natural Color […]