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HPHT diamond
IGI Certificate
0.1-8ct in Stock
melee lab diamond
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eco diamond
Lab grown diamond has no impact on the land,animals,and plants.
All of Messigems lab grown diamonds can be certified.​​​​​​​
fast ship lab diamond
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HTHP CVD diamond
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What is HPHT/CVD Diamond

lab grown diamond
loose lab grown diamond
lab grown diamond
lab grown diamond
  HPHT method simulates the physical conditions under which natural diamonds grow. Therefore, man-made diamonds in theory are more close to natural diamonds.
  For technical development derives early from the West, diamonds created by this method was given the Chinese names “合成钻石” or “实验室钻石”, directly translated from its English version‘Synthetic Diamond’or‘Lab Diamond’, while CVD technology is about 30 years older than HPHT, which was invented in the Soviet Union then became popular in the U.S.
  Diamonds grown under CVD system are called “Lab Grown Diamonds”by academia. CVD adopts its name from initial letters of Chemical Vapor Deposition, meaning the growth method and the technology as well. 
  As HPHT method involves using metal catalyst, it is hard to avoid some metals entering the crystal during growing process, so HPHT diamonds might be magnetic. 
  And if the magnetism is too strong, diamonds will not be able to pass the test drill pen. Because CVD diamonds are formed by mere gas, they can be produced without magnetic and are able to pass the diamond tester pen.
Round Lab Grown Diamonds
Round Lab Grown Diamonds
Heart Lab Grown Diamonds
Heart Lab Grown Diamonds
Pricess Lab Grown Diamonds
Pricess Lab Grown Diamonds
Cushion Lab Grown Diamonds
Cushion Lab Grown Diamonds
Oval Lab Grown Diamonds
Oval Lab Grown Diamonds
Emerald Lab Grown Diamonds
Emerald Lab Grown Diamonds
Asscher Lab Grown Diamonds
Asscher Lab Grown Diamonds
Special Lab Grown Diamonds
Special Lab Grown Diamonds
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Lab Grown Diamonds

 Natural VS Lab-Grown Diamonds
  Are natural diamonds better than laboratory diamonds? If their 4C grades are the same, then at least, they look the same to the naked eye.

  It should be said that the high-grade loose diamonds of large carats are generally not seen on jewelry, starting with 3~5 carats of white diamonds. There are large carat colored diamonds with high color grades.

  The above two types have investable value and will maintain or increase their value. Generally appearing in high-end auction houses, ordinary people should not consider it. These are two markets, the consumer market and the collection market.

  If the price of lab grown diamonds is about three to a quarter of that of natural diamonds under the premise of the same level, there will be a certain advantage in price. If you only pursue cosmetic effects, cultivated diamonds are undoubtedly a good choice.

  Natural diamonds grow in multiple directions under high temperature and high pressure for a long time. Cultivation of diamonds hthp simulates the high temperature and high pressure multidirectional growth in the underground environment. Cvd is the high temperature and high pressure unidirectional growth in the reactor.


  Lab-grown diamonds and natural diamonds differ only in the environment in which they are created, and have exactly the same characteristics in terms of raw materials, chemical composition, optical properties, physical properties, and crystal structure. Even a diamond tester will tell you that a diamond is a real diamond, and even professional appraisers have difficulty distinguishing it from a natural diamond. Lab-grown diamonds are scientifically proven to be "real" diamonds, not merely "similar" looking stones such as cubic zirconia.


  All diamonds over 0.5 ct come with a certificate of authenticity.The quality of each lab-grown diamond is certified by a certificate of authenticity issued by the International Gemmological Institute (IGI), which is recognized by diamond exchanges around the world for its strict quality standards. 


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