A 55.22-carat ruby has become both the largest and most valuable gem of its kind ever to sell at auction, netting $34.8 million on Thursday. The stone went under the hammer in New York in June, less ...

The largest and most expensive ruby of its kind, a 55.22-carat specimen, sold at auction for $34.8 million on Thursday. Less than a year after being found in one of the company's mines in Mozambique ...

The largest ruby in the world to come to auction is expected to snatch over $30 million. Sotheby's previewed the world's largest ruby in Hong Kong ahead of its auction in New York. Buzz60’s Maria ...

A 55.22-carat ruby is poised to become the largest — and should it sell for over $30.3 million, the most valuable — gem of its kind ever to appear at auction. The stone is set to go under the hammer ...