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Let’s break down the key differences in the methods for creating lab-grown diamonds: HPHT vs CVD: How They’re Made: HPHT mimics nature’s extreme conditions, while CVD builds diamonds layer by layer from carbon-rich gases. This leads to interesting differences in how the diamonds look and feel.
So, which lab diamond process is better: HPHT or CVD? The truth is, gemologists can't agree on which process is better. Both CVD and HPHT processes can create beautiful colorless diamonds.
CVD diamonds are often more affordable than HPHT diamonds due to differences in the production process, and they are quicker to create. Some consumers prioritize cost-effectiveness and see CVD diamonds as the better option, while others are willing to pay a premium for HPHT diamonds.
What is better: CVD or HPHT diamonds? You will not be able to tell the difference between a CVD and HPHT diamond with the naked eye. Both methods can create a beautiful, sparkling diamond.
HPHT synthetic diamonds tend to show a cross-shaped fluorescence pattern on its crown or pavilion after being cut. CVD synthetic diamonds may show a striated (striped) pattern when viewed through their pavilion facets. Common fluorescence colors include green, yellow-green, yellow, orange and red.
What You Need to Know. When you are shopping for diamonds that are not earth mined, you will likely come across two different types: HPHT and CVD. But what are the similarities and contrasts between these two types of diamonds? And which diamond is right for you?
The primary difference between HPHT and CVD diamonds, HPHT diamonds are cuboctahedron shape and have 14 different growing directions and CVD grows in only one direction and has a cubic shape. Hereby HPHT diamonds have a yellowish shade as they are exposed to nitrogen while forming.
Lab-grown diamonds are created using two different processes: high pressure, high temperature (HPHT) and chemical vapour deposition (CVD). HPHT vs CVD diamonds - let's see the difference between the two methods and their effect on diamond quality.
Unravel the differences between CVD and HPHT lab-grown diamonds! CVD offers precision and purity, while HPHT mimics natural characteristics. Choose the perfect diamond for your jewelry with confidence.
Unlike mined diamonds, which can be associated with environmental damage and human rights abuses, CVD diamonds are created in a controlled environment and have a much smaller carbon footprint. Plus, they are often less expensive than mined diamonds, making them a great choice for those on a budget.