The research helps confirm the Hope Diamond as originating with a 115-carat stone found in India in 1668. That stone was sold to King Louis XIV of France who had it cut into the 69-carat French Blue.

A French tourist found a 7.46-carat diamond while visiting the Crater of Diamonds State Park in Murfreesboro, Arkansas. Julien Navas, of Paris, found the diamond earlier this month on the surface ...