There are so many synthetic diamonds, cubic zirconia and other stones out there that are made to look like diamonds. This is all fine and well unless you are being conned into buying a diamond that isn’t a diamond. I’m going to help you avoid this with a few simple steps.
First: ask the seller if there is any type of certificate that accompanies the diamond. This certificate will validate that authenticity of the stone.
Second: ask the seller to use a diamond tester on the stone. A diamond tester is simply a small machine with a needle at the end which is place on the stone. When place in the stone, it will beep and give a message indicating the type of stone. (diamond, moissanite, stimulate or neither)
Third: look for signs of starches or scuffing. As we all know diamonds are really quite hard( known to scratch glass)but Cubic zirconia is not. if you’re looking at a ring through a loupe of any magnification, have a good look at the facets of the stone (tilt it so that the reflection is completely on the surface). cubic zirconia of any age will almost definitely show light scratching and scuffing – while diamonds are very unlikely to.
Fourth: look for reflections. Any type of rainbow color is not good. It means you are either dealing with a fake, or a low quality diamond. Either way, you do not want that stone.
Fifth: Drop diamond in glass of water, you can see a real diamond in glass of water. If you can’t, it’s probably quartz or glass
There are many tests that can be done to test a diamond. Don’t settle on just one, try a few before you buy the diamond. Happy shopping.