Most Expensive Materials in the WorldÂ
| Antimatter | $62.5 trillion/gram |
| Californium | 252 – $27 million/gram |
| Diamonds | $55,000/gram |
| Tritium | $30,000/gram |
| Taffeit | up to $20,000/gram or $4000/karat |
| Painite | $9000/gram or $1800/karat |
| Plutonium | $4000/gram |
| Platinum | $60/gram |
| Rhodium | $58/gram |
| Gold | $56/gram |