Lac Diamant is a Lake located in Lac-Blanc; Portneuf, Quebec.

• Latitude: 47° 17' 39'' North   (decimal: 47.2941667)
• Longitude: 71° 47' 43'' West   (decimal: -71.7952778)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Lac-Blanc; Portneuf
• Atlas of Canada Locator Map: Lac Diamant
• GPS Coordinate Locator Map: Lac Diamant Lat/Long