Diamonds which have not yet been cut are referred to as ‘rough’ or ‘raw’ diamonds. To identify whether the stone you have is a diamond, you can do a quick visual evaluation to rule out other gemstones. From there, you’ll want to perform a more precise test with a piece of corundum or an electronic diamond tester.
How do you test a rough diamond?
The easiest test is the scratch test. If a supposed rough diamond can be scratched by anything other than another diamond, then it is fake. The other mineral most often thought to be diamond is quartz. The only mineral you can really use to test the hardness of a diamond is a piece of corundum.
What diamonds show up on a diamond tester?
A diamond tester will only test positive for diamond and moissanite. Synthetic moissanite has been used as a gemstone only since the 1990s, so if your piece is from an earlier era, it’s definitely a diamond if it passes this test!
Can a diamond tester test other stones?
The diamond tester is an electronic instrument designed and manufactured according to the thermal conductivity of diamonds to identify the true and false diamonds. It can also be used for testing sapphire, ruby, crystal, agate and other stones.
Are diamond testers worth it?
Diamond testes are probably the most accurate and reliable tools to check the authenticity of a diamond. However, it is worth mentioning that electrical conductivity diamond testers and multi-testers are much better than thermal conductivity testers. Although they are higher in price, they are much more accurate.
How do you know if you found a raw diamond?
The only hardness test that will identify a diamond is scratching corundum. Corundum, which includes all rubys and sapphires, is 9 on the hardiness scale. If your suspected diamond crystal can scratch corundum, then there is a good chance that you found a diamond.
How can you test a raw diamond at home?
To tell if your diamond is real, place the stone in front of your mouth and, like a mirror, fog it up with your breath. If the stone stays fogged for a few seconds, then it’s probably a fake. A real diamond won’t fog up easily since the condensation doesn’t stick to the surface.
How can you tell if a diamond is real with a diamond tester?
A diamond tester is a portable device that you can put in your pocket. The tester has a small, needle-like tip that needs to be placed on the stone tested. If the diamond is real, the device indicates that on its display or with a sound signal.
Do cheap diamond testers work?
Heat testers are much cheaper but their accuracy is not as high, so may not get as good results. If you will be detecting up to several diamonds a day or you are a professional jeweler, make sure to buy a diamond tester that uses electrical conductivity for high accuracy.
What is a good fake diamond called?
Cubic zirconia, also known as CZ, is one of the most widely used stones to imitate a real diamond. The reason for its popularity is the affordable price, which is only a fraction of what a real diamond costs.
What does blue mean on a diamond tester?
The SSEF Diamond Tester For Blue and Potentially Blue Diamonds enables you to know if the stone is type IIb. The SSEF Blue Diamond Tester is $695. I want to. Darkfield Loupe. (Maglite not included)
Will cubic zirconia pass a diamond tester?
Can cubic zirconia pass a diamond tester? – Quora. No. CZ does not register any result on a diamond tester. In that regard it is the same as glass.
How much should a diamond tester cost?
MSRP: $25.00 Your Price: $9.95
A multi-tester combines the heat conductivity test of a diamond tester with the electrical conductivity test of a moissanite tester in a single test instrument.
Does Walmart sell diamond testers?
Diamond Tester Gemstone Test Kit Digital Electronic Detect-Tool New – Walmart.com – Walmart.com.
What is the best diamond tester to buy?
But, we’ve pulled together the best available testers on Amazon, so that you’re not left searching.
- HDE Diamond Tester. BEST OVERALL. …
- DigiWeigh Diamond Testing Kit. BEST TESTING KIT. …
- Presidium Portable Diamond Tester. BEST PORTABLE. …
- RS Mizar Moissanite Tester. BEST FOR DETECTING FAKES. …
- GemOro Diamond Tester. …
- Presidium Gem Tester.