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What else can I help you with?
What is the highest rating given to a diamond?
The highest rating given to a top quality diamond is D-Flawless.
What is a thermal diamond tester?
A thermal diamond tester is a tool used by anyone interested in verifying that a gem is indeed a diamond. The tool uses electronics connected to a probe with a fine tip that reads the stone's level of thermal conductivity to positively or negatively test for the mineral diamond.
What is the thermal conductivity of a diamond?
The thermal conductivity of a diamond is very high, making it one of the best heat conductors among natural materials.
Does diamond demonstrate electrical conductivity?
No. Diamond is a thermal conductor, but an electrical insulator.
Would a light meter tell if a stone is an antique European cut diamond?
I think you are referring to the 'thermal diamond tester or thermal probe' (instead of light meter) but it will work on any cut. It tests the thermal conductivity of the material, so the cut does not matter or affect it. Thermal probe is not a confirmatory testing device to separate diamond from synthetic mossanite. Synthetic moissanite which has a thermal conductivity very similar to diamond and as a result gives the same reaction to the thermal testers, as diamond. Even highly included diamonds may give false readings.
What is the difference between the star and a diamond rating?
a star is a luminous pointed figure that shows up at night. A diamond rating is facts and information, cut, clarity, color, and more things on an diamond.
Can Gypsum can scratch diamond?
No, gypsum cannot scratch diamond. Diamond is the hardest mineral on the Mohs scale with a rating of 10, while gypsum is much softer with a rating of 2, which means diamond is able to scratch gypsum but not the other way around.
What does J mean when rating a diamond?
Near colorless
What has the highest thermal conductivity?
Diamond is the best thermal conductor around room temperature. Diamond has a thermal conductivity of more than 2,000 watts per meter per Kelvin, which is five times higher than the best metals such as copper.
Will a rough diamond give a similar test as a cut and polished diamond under thermal conductivity test?
Yes, a raw diamond will always test as a diamond.
What is carat rating?
Carat is the unit of measure for diamond weight. Karat rating may be appropriate for gold and its level of purity.
Is a diamond a thermal and electrical conductor?
A diamond is a superior conductor of thermal energy (heat). It's better at this than anything else we know of. But diamond is a poor conductor of electricity. It's actually a pretty good insulator.
