how do you tell a diamond from other clear cut stones?

Answer 1

Bring it to a jewler, then will know.

Answer 2

1) Look through magnifying glass Real diamonds are formed under the earth crust with the help of natural forces acting upon it over million of years. Due to this there are imperfections in the carbon. A real stone will be perfect - absolutely perfect. Even there are synthetic diamonds which is not identifiable. Its better to take it to an expert. 2) Sandpaper test. since diamonds are one of the world's hardest stone and it won't be scratched by the rough surface. If you scratch sandpaper to a real diamond then nothing will happen but if it's a cubic zirconium, it will scratch it up. 3)Fog Test. Breathe hot air on your diamond as you would do on a mirror. A fake diamond will fog up for a short period of time whereas a real diamond will not because it won't retain the heat

Answer 3

a scratch test. If it will scratch a sheet of Aluminum Oxide (or a sapphire) it has a hardness of 10, therefore a diamond.

You could also try baking it to about 800 degrees, at which point it will vaporize into CO2, therefore it was a diamond.

Also, there's this thing called refraction index, basically how light acts inside a crystal structure. Diamonds have high refraction, which is what makes them more beautiful than cut glass.

You could also figure out the specific weight (specialized science term for density) and compare it to known diamond properties.

Answer 4

Each stone will have unique inclusion types that the others may not have, and if they do share one or two types, they certainly won't share all. You can read a gemology book or visit a site on-line detailing these and how to identify them. OR, you can purchase a diamond tester. It's a battery operated device placed on the face of the stone that beeps slow and steady for diamond, or fast and erratic for other materials.

Answer 5

Depends how big it is.In the last resort if you must avoid damage to it a definite answer will come from X-ray.Hardness is also good and combined with density a measurement of refractive index(mentioned by others) you will be 90% sure.One last thing diamond is a much better heat conductor than any other mineral:but hey!how many kilos of this thng have you got?

Answer 6

The easiest way is to check the hardness with a corundum rod. If the stone scratches the rod, then you've got a diamond.

Answer 7

It will not scratch with a hard rock but Glass will. if it was polished there will be few scratches. A diamond is many times harder than any other stone. U can not scratch it with a carbide tippet tool.

Answer 8

Scratch test.
Also like mentioned ^^ you can't break it.
Diamonds are the hardest and most difficult mineral to break thats what makes them so valuble

Answer 9

if you try to bite a dimond and it break your teeth and you know it a dimond

Answer 10

you can't smash it with a hammer...........