You may be thinking of Moissanite?
You can browse the link, below, to see the gemstone diamond, which is the April birthstone.
Yes there is it is Diamond
Diamond is a gemstone made up of only carbon atoms. Its structure and composition give it unique properties, such as its exceptional hardness and brilliance.
Hardness - Hardness may be defined as a material's resistance to scratching. The diamond is the hardest gemstone and the hardest substance known in nature. Nothing can scratch a diamond except another diamond. However, diamonds and many other "hard" gemstones can chip.(Please see the Related Link below.)
A piece of uncut gemstone like a raw diamond would be an example of a rough solid.
Your question can only conjur up a collision between a diamond and a meteorite. And your question is probably based on your doubt that diamond is the hardest mineral, or at least what does 'the hardest mineral' really mean, practically. Smashing a diamond with anything, including a meteorite, is an awful waste of a gemstone. And yes, there are ways to smash a diamond.
A diamond
Yes, a diamond is a precious gemstone.
A topaz is a gemstone that can come in various colors such as yellow, blue, or pink. An emerald is a green gemstone belonging to the beryl mineral group. A diamond is a clear, colorless gemstone composed of carbon atoms. Each of these gemstones have unique qualities and characteristics.
a diamond
Depends on what it actually is. If it's a Zircon (Cubic Zirconia), a Spinel or a synthetic Diamond then yes, it is still a gemstone.
Your answer depends on its cut, clarity, colour, and whether or not the weight of the stone you describe is a gemstone or an industrial diamond.
A diamond is a gemstone.
You can browse the link, below, to see the gemstone diamond, which is the April birthstone.
The name of the gemstone which comes from the Greek word adamastos, which means invincible is the diamond.
Pearl is made by a living organism (an oyster) and is soft. Diamond is made deep in the earth and is the hardest substance known to man.
It is a one-quarter carat gemstone.