They are very hard to find and they are very very strong. The only thing that can break the gem is another gem of it's kind. They also take tens of thousands of years to form.
No.
Yes, if it is a gem-stone quality diamond.
Depends on the quality of the diamond in question.
Of equal weight, gem-quality diamond is more valuable than silver.
The most valuable stone is typically considered to be the diamond, followed by sapphire, ruby, emerald, and then semi-precious stones such as amethyst, citrine, and peridot. The value of a stone is determined by factors such as rarity, color, size, and clarity.
Diamonds are more valuable than coal.
yes.
Diamond.
its diamond's,
Diamond
A natural diamond will always be more valuable than a lab-created diamond, given the same clarity, colour, carat weight and cut of the two comparables.
It isn't the element (carbon) that makes a diamond valuable: it's the availability of the diamond allotrope of carbon, and its limited occurrence on earth.