There is a lot of misinformation floating around, often spread deliberately, regarding the two different growing methods of diamonds. All of them boil down to the question: which one is superior, CVD or HPHT? However, the deluge of information coming from these companies and media outlets can only be described as chaotic and contradictory when it comes to the topic of CVD vs HPHT diamonds.

Why does the information differ within the industry from different companies?

Unsurprisingly, the information tends to differ, from article to article, because companies are trying to push an agenda foremost. To construct a specific narrative, they will cherry-pick information and write whatever benefits their view. Case in point, just recently, we encountered a global company that confidently proclaimed to their customers that CVD was the superior method for growing diamond and, therefore, it was wise for them to avoid buying HPHT. In contrast, a USA based company is likewise trying to convince their customers that HPHT is the winner and advocating against purchasing CVD diamonds. In reality, both these companies are misleading their respective customers with selective truths and a healthy dose of lies in the name of profit

The boring truth is that both CVD and HPHT methods can produce the full range of colour, clarity, and size, starting from worthless and unmarketable ones to stunningly perfect diamonds. However, behind the scenes, each of their suppliers, the labs creating the diamonds are playing a tug of war behind the scenes. They will say whatever they need to say to push the method that yields them the most profit while moving the most stocky. A prime example is a supplier pressuring their customers by giving a better deal on CVD diamonds but not HPHT ones and vice versa.

What Is The Difference Between Cvd And Hpht?

To a layman or customer seeking to know which method is better, CVD or HPHT, the simple truth is that there is absolutely no difference other than the process used to create them. Both methods can produce the full range and quality of genuine diamonds optically, chemically, and physically identical to their earth-grown counterparts. No matter how much you or anyone else tries, you will be unable to tell an HPHT and a CVD diamond apart.

We could do a deep dive into the technicalities of each method and magnify their differences; however, we, and many experts in this field, believe that it's a pointless waste of everyone's time. In its place, we will provide you with practical and easy to follow advice gathered through long experience in this industry.

The advice is simple: every one of our lab grown diamonds is industry certified by leading certifiers; therefore, solely focus on getting the most out of your money when choosing your diamond. Aim for the largest stone within your budget while keeping colour as high as possible. Clarity is secondary, but there is a general rule that you should follow; when it comes to clarity, try to go for SI1 and above to ensure it is eye-clean. The exception to the rule is emerald cuts, where we recommend going for VS2 and above. You are guaranteed to make the right choice by following those two simple guidelines. Regardless of whether it was by CVD or HTPT, you are bound to be happy with the diamond you pick since the method used to grow them will make absolutely no difference to you.

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HPHT vs CVD, CVD vs HPHT, CVD vs HPHT diamonds and HPHT diamond vs CVD.

Real facts:

• HPHT and CVD can both produce D colours
• HPHT on average yields higher colours than CVD
• CVD on average yields higher clarities than HPHT
• HPHT and CVD can produce VVS1 and FL
• Most diamonds under 1:00ct are HPHT due to costs effectiveness