5.47-carat canary diamond found in US park

This Oct. 20, 2006, photo released by Arkansas State Parks shows a 5.47-carat canary diamond found on Oct. 14 by Bob Wehle of Ripon, Wisconsin, at Crater of Diamonds State Park in Murfreesboro, Arkansas. The park is the world's only publicly operated diamond site where visitors are allowed to search and keep any gems they find. PHOTO: AFP

Bob Wehle of Ripon, Wis., found the diamond at the Crater of Diamonds State Park in Murfreesboro Oct. 14. The park is the world's only publicly operated diamond site where visitors are allowed to search and keep any gems they find.

Wehle's 5.47-carat diamond is bright yellow and has no visible flaws, said Tom Stolarz, park superintendent. It is the second-largest gem unearthed this year at the park.