What is the difference between crystal diamonds and natural diamonds?

What is the difference between crystal diamonds and natural diamonds?

What is the difference between crystal diamonds and natural diamonds?
The main differences between crystal diamonds and natural diamonds are:

Material: Natural diamonds are formed from carbon under high pressure, while crystal diamonds are usually made of glass or synthetic crystal.

Price: Crystal diamonds are relatively cheap, while natural diamonds are expensive due to their rarity and high hardness.

Hardness: Natural diamonds have high hardness (level 10), while crystal diamonds have lower hardness, usually level 6 to 7.