Cubic Zirconia
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Cubic Zirconia
Popular, abundant and inexpensive, Cubic Zirconia (CZ) is make from zirconium oxide, and has been around since the late 1970s.
High quality CZ’s are actually a very good diamond simulant. It has a hardness of 8.5 on the Mohs Scale. CZ is virtually flawless and often out-shines all but the most expensive diamonds in clarity [...]
Simulated Diamonds
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What are Simulated Diamonds?
Simulated diamonds, also called diamond simulants, imitation diamonds, or fake diamonds, are man-made stones that look like, or simulate the appearance of natural diamonds, but are made of material that is not carbon-based and do not have the same properties of natural diamonds. Some imitation diamonds currently on the market include [...]
New Age Diamonds
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New Age Diamonds
The New Age Diamonds Company is a Russian manufacturer of synthetic diamonds. Using the high pressure, high temperature (HPHT) process, the laboratory produces gem-quality synthetic diamonds.
New Age Diamonds uses a unique marketing approach in Japan where “Heart-in Baby Diamonds” are cultivated from newborn baby hair. This is just one of many commemorative New [...]
LifeGem
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LifeGem
A LifeGem synthetic diamond may not be appropriate to use for an engagement ring, but LifeGem has a truly unique approach to making man-made diamonds. LifeGem will make custom diamonds from carbon samples of deceased family members. Marketed as a “diamond tribute for you and your family,” the company gets the carbon sample from cremated [...]
Tairus
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Tairus
Tairus is a Joint Venture between the Russian Academy of Sciences (Siberian Branch) and Tairus (Thailand) Co. LTD of Bangkok. Tairus makes a variety of synthetic gemstones using the high pressure, high temperature process, including emerald, ruby, sapphire, and Beryl. Synthetic diamond production is a recent development for the company.
The Tairus synthetic diamonds are primarily [...]
Gemisis
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Gemisis
Gemesis, based in Sarasota, Florida, was started in 1996 by retired U.S. Brigadier General Carter Clarke after he purchased diamond glowing machines from the Russians. The Russians had used the machines to make diamonds for its space program. Gemesis diamonds are produced using two dozen or so high-pressure, high-temperature crystal growing chambers to create beautiful [...]