"If you look at a top-quality, gem quality ruby versus the top quality of a diamond – let's say they're five carats each – the ruby is going to be much rarer and much more expensive than that ...

The ruby Estrela de Fura was sold at Sotheby's in New York, setting a new record price at auction for ... Already a Barron's subscriber? Sign In ...

While Christmas is the most popular time of year for engagements, you needn't be expecting a diamond sparkler to experience the thrill of unwrapping a piece of jewellery you’ll cherish forever. In ...

A ruby sold at Sotheby's in New York on Thursday for $34.8 million, setting a new record price at auction for the precious stone.