Which Countries Produce the Most Gem Diamonds?

(This was originally posted on Geology.com, by Hobart M. King, Ph.D., RPG. Please visit their website for additional information and supplemental graphics. Original Source)

Diamond-producing countries: This map shows countries with at least 50,000 carats of natural gem-quality diamond production in 2015. The map clearly shows that natural diamond production occurs in many parts of the world. Map by Geology.com and MapResources. Data from USGS Mineral Commodity Summaries. (Source)