#1 The Alaska Centennial Nugget - 294.10 Troy Ounces The largest gold nugget ever found in Alaska. It was found near Ruby, Alaska in 1998 by a miner as he operated his bulldozer. The nugget rolled off the pile of dirt ahead of the bulldozer blade. This nugget was sold and the current location is unknown. Photo Copyright 2001 by Marshall Ronne, Jr.