Cubic ZirconiaĬZ has the look of natural diamonds, but contain zero diamond and are non-precious. The only way someone is going to be able to point it out as man made is with professional testing. Gem-quality diamonds grown in a lab can be chemically, physically and optically identical to naturally occurring ones. To the naked eye, you won’t be able to tell the difference. They have the same look and chemical makeup as real diamonds. These are often called “lab created” diamonds. We are going to go over some of the common diamond look-alikes and the chance of someone identifying yours as a fake. There are a few different types of stones that will masquerade as a diamond. These fake diamonds are actually harder than most semi-precious gemstones and certainly harder than glass and thus they can easily scratch the mirror. The problem is, the fake diamonds, particularly high quality cubic zirconia are quite durable, being 8 – 8.5 on the Mohs scale. The idea is that if the stone is hard enough to scratch the mirror, it’s probably a diamond. The test is to simply scratch the loose stone against a mirror. Don’t bother with it as it is not accurate. This is probably the one test that you have heard of when it comes to testing if a diamond is real or not. If you see something with rainbow colors, it could be a sign that it’s not a diamond. They do sparkle, but it’s more of a gray color. People have a misconception that diamonds sparkle like a rainbow. The way that diamonds reflect light is unique: Inside the stone, the diamond will sparkle gray and white (known as “brilliance”) while outside of the gem, it will reflect rainbow colors onto other surfaces (this dispersed light is known as “fire”).Ī fake diamond will have rainbow colors that you can see inside the diamond. All you need to do is hold the diamond under a bright light. This is another easy test that doesn’t require special equipment. Few jewellers would mount a precious gemstone in cheaper metal. Equally, if the metal is gold plated or silver, chances are it’s not a diamond. If there’s no metal stamp, the ring is likely to be a fake. For gold, stamps such as 10k, 14k, or 18k are used. This is where the metal used will be indicated. Usually, yellow gold, white gold, or platinum are used for the setting.Īn easy way to tell the quality of the ring is to look at the inside of the band. Real diamonds are going to have high-quality settings. You don’t have to worry about most tests, no one is going to ask for your ring to do the water or heat test on it. Testing for Fake Diamondsīefore we get into how do buy diamonds, lets talk about some of the common ways to spot a fake diamonds. Follow our guide and no one will ever know that beautiful ring you’re wearing isn’t the real McCoy. Now you can buy diamond simulants and have the jewelry pieces you’ve always desired.īut you don’t want anyone else to know that you are wearing faux diamonds. Gone are the days where your only options are low-quality affordable diamonds or expensive high-quality diamonds. By creating lab-grown diamonds De Beers hopes to offer customers increased choice and retain their control over the $80 billion dollar gem industry. The company now believes that technology is efficient enough to produce large quantities of synthetic diamonds with the quality of the best gemstones. Fake diamonds have grown in popularity so much that De Beers, the king of real diamonds, recently announced it would start selling synthetic diamond gemstones for the first time in its 130-year history.
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