Empress Zita of Bourbon-Parma wanted the jewel's location to be kept secret for 100 years after the death of her husband, ...
A blue diamond weighing nearly 10 carats has sold at auction in Switzerland for 20.5 million Swiss francs ($26.6 million) ...
UC Santa Cruz researchers explore diamond-based sensors that could transform how future U.S. fusion reactors track plasma.
Lab frown diamonds look identical to natural ones, but with the right cues and clarity checks, you can learn exactly how to ...
Botswana is a landlocked country at the heart of Southern Africa. Once among the world’s poorest nations, well-managed diamond wealth has improved its economy and people’s living conditions. With a ...
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