19 Most Expensive Substances In the World and How Much They Cost

10. Methamphetamine – $120 per gram or $1,600 per ounce

An even more addictive drug that can produce euphoric effects.

9. Crack cocaine – Up to $600 per gram

Not to be confused with meth, this party drug has been known to cause addiction and death.

8. Crystal LSD – $3,000 per gram

A hallucinogen that was popular in the 1960s.

7. Plutonium – $4,000 per gram

It’s used in the military and for nuclear reactors.

6. Taaffeite – between $2,500 to $20,000 per gram or $2,400 per carat (0.2 grams)

It’s said to be a million times scarcer than diamonds, and it’s also very durable.

5. Tritium – $30,000 per gram

They’re the substance in self-illuminating EXIT signs found everywhere.

4. Diamonds – $65,000 per gram, or $13,000 per carat

It’s a tough substance used to cut less durable substances, and it’s also a popular engagement ring choice.

3. Painite – $300,000 per gram or up to $60,000 per carat

It’s said to be the rarest gem mineral, and it’s used for crystal healing.

2. Californium 252 – $27 million per gram

This isotope is used in devices that find layers of oil and water in oil wells.

1. Antimater – $100 trillion per gram

Antimater is a mysterious substance to non-scientists, but it could possibly fuel spaceships in the future.