Diamonds might be forever but that doesn't stop them being bought and sold. One stone thought to have once belonged to Marie ...

A new photodetector design using platinum-infused diamond nanowires achieves record-breaking UV sensitivity and heat ...

This morning, at Christie’s New York’s Magnificent Jewels sale, just minutes after a Mughal carved Colombian emerald necklace ...

Diamond nanowires embedded with platinum nanoparticles are set to revolutionize high-temperature solar-blind photodetection ...

Executive producer Marsha Bemko shares her tips for getting the most out of ANTIQUES ROADSHOW. Value can change: The value of an item is dependent upon many things, including the condition of the ...

A 7.31-carat emerald shaped diamond is the top lot of Freeman’s | Hindman Important Jewelry auction, to be held September 12 in Chicago. The gem with E color, VS1 clarity is set in a platinum ...

"When I first found it I thought it would just be a nickel, but then I dug it up and it was just this big old diamond and platinum ring," he said. Man Discovers Rare Medieval Wedding Ring Worth an ...