Antimatter : World's Expensive Material, Costing $62 Trillion Per Gram From science fiction to reality: Antimatter , valued at trillions per gram, holds the key to revolutionary energy sources and ... It's so rare, it's priced at a whopping $62.5 trillion for one gram - so it might be a good while yet until we can harvest antimatter 's full potential. Antimatter , in its elusive glory, represents both a scientific marvel and an economic wonder. The hefty price tag it commands results from the perfect storm of cutting-edge technology, immense energy consumption, and the sheer tenacity of researchers. Antimatter is the mirror image of matter, with opposite charges and masses, and can release enormous energy on collision. Learn how antimatter is produced, used, and stored, and why it is so rare and valuable.