A listing in the Guinness Book of World Records was followed by a years-long battle over ownership of the Ophir Collection. It’s possible there’s a curse attached to the Ophir Collection, a trove of ...

Until recently, only emerald, ruby and sapphire were officially called precious gems. Everything else was called semi-precious. The precious categorization is a reference to value: a really fine ruby, ...

Marvel has unveiled a collection of 'Infinity Stones' comprised of actual precious gems with a combined value of more than $25 million – and their very own Infinity Gauntlet. The $25 million valuation ...

What processes in the depths of the Earth forge beautiful and precious stones? Their beauty has captivated us for millennia. Their cost can be extraordinary–some are even considered priceless.