鉄のツルハシかそれ以上のものがないと、ダイヤモンドの採掘はできません。の英語

You can't mine diamonds without an iron pickaxe or better.

Nothing is as hard as a diamond.

Nothing is as hard as a diamond.

There's nothing harder than a diamond.

Nothing can compare with diamond for hardness.

A diamond that hasn't been cut doesn't shine.

This isn't a real diamond.

a diamond mine

A diamond of this size is unique.

consisting of diamonds or resembling diamonds

an artificial jewel called a {titanium diamond}

We don't deal in uncertificated diamonds.

That diamond is not genuine.

That diamond is not real.

You've never seen a genuine diamond.

an uncut diamond

The hardness of diamond is such that it can cut glass.

This is probably a real diamond.

came upon the diamond unawares

having the hardness of a diamond

diamonds, sapphires, rubies, and emeralds are precious stones

It is rich in mineral resources such as gold and diamonds and is the economic leader in the region.

Diamond is essentially hard.

This is an imitation diamond.

Is that a real diamond?

This metal is second to diamond in hardness.

a diamond in the rough

diamonds

a gem (usually a diamond) in a setting by itself

a quest for diamonds