Do you want to know the difference between CVD vs HPHT? If yes, then here you can get the chance to explore everything about cvd vs hpht and be able to find which is better. In general, the lab grown diamonds can able to effectively manufactured using 2 different processes such as Chemical Vapour Deposition (CVD) and High Pressure, High Temperature (HPHT). Both these processes produce extraordinary synthetic diamonds. Hence it is a must for you to understand the major difference between CVD vs HPHT diamonds. You can also explore how these methods affect the quality of diamonds.

What are HPHT diamonds?

The natural diamond crystals can be formed deep underground. Here you can able to explore the condition of extremely high pressure and high temperature naturally. Hence it is suggested that the first and foremost approach to growing synthetic diamonds is HPHT diamonds. To grow HPHT diamonds, there are around 3 techniques are used such as cubic press, spilt sphere press, and belt press. The major goal is to create a better environment of high temperature and high pressure where the growth of the diamond can occur. HPHT technology has been improving a lot with the great success of the belt press. It is efficient and it can provide gem-quality diamonds.

What are CVD diamonds?

CVD is considered to be the most recent diamond growing approach at the time which the gemstone can be grown from a mixture of hydrocarbon gas. This imitates how the diamond can form in interstellar gas clouds. This diamond consists of more benefits when compared to the HPHT process. during this process, there is no high pressure are needed and hence CVD process is not that costly when compared to HPHT diamonds. Without any color zoning, the CVD method can able to produce colorless gems. It does not contain any metal inclusions

CVD vs HPHT diamonds:

The major difference between cvd vs hpht diamonds is considered to be the way they grow. It can also be considered based on its morphology. You need to know the fact that CVD diamonds have 1 growth direction and grow in cubic shape. While HPHT diamonds have 14 growth directions and grow in cuboctahedron shape. These kinds of growth patterns are the major ways to tell synthetic and mined diamonds apart.

HPHT has been generally associated with more brownish and yellowish diamonds based on the lab grown diamonds quality. While CVD diamonds process is the first method to create colorless gems very effectively. At present, both of these methods can able to produce a flawless and colorless diamond, and here you can’t find any difference except the morphology. 

It is effective to mention that the details about which method of growing diamonds is much better can be quite contradicting. It is also the known truth that each company is trying to pull down its competitors and wants to increase their growth. An HPHT company is suggesting their customers avoid using CVD diamonds. On the same basis, a CVD company is suggesting their customers avoid using HPHT diamonds.