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Back06/10/2025
Right, let's cut straight to the chase. If you're considering a lab grown diamond for your engagement ring or jewellery collection, you've stumbled upon one of the most exciting innovations in the jewellery world. These aren't your grandmother's "fake" diamonds we're talking about here—they're the real deal, just created through fascinating modern technology.
Here's the thing that'll blow your mind: a lab grown diamond is chemically, physically, and optically identical to a natural diamond. Same carbon atoms, same crystal structure, same dazzling sparkle that makes you go a bit weak at the knees. The only difference? Instead of forming deep underground over billions of years (talk about taking your time), these beauties are created in sophisticated laboratories using two rather clever methods.
The first method, called High Pressure High Temperature (HPHT), basically recreates the conditions found deep in the Earth's mantle. Scientists place a small diamond seed in carbon and subject it to extreme pressure and heat—rather like Mother Nature's pressure cooker, but with more precision and considerably less geological drama.
The second method, Chemical Vapour Deposition (CVD), grows diamonds from a gas mixture in a vacuum chamber. It sounds like something from a sci-fi film, but it's happening right now in labs across the world.
A lab grown diamond has the same sparkle, brilliance, and hardness as a mined diamond. In fact, unless you're wielding some seriously expensive gemological equipment, you simply cannot tell the difference with the naked eye. Even many jewellers need specialised tools to distinguish between the two.
Here's where things get interesting. One major reason people are choosing a lab grown diamond is the dramatic cost difference. You could get a stunning 2-carat lab grown diamond for the price of a 1-carat natural stone of similar quality.
This question pops up more often than complaints about British weather, so let's settle it once and for all: yes, lab grown diamonds are absolutely real diamonds.
They're not cubic zirconia, they're not moissanite, and they're certainly not glass. They're genuine diamonds, certified by the same gemological institutes that certify natural diamonds—including the Gemological Institute of America (GIA) and the International Gemological Institute (IGI).
The Federal Trade Commission in America even updated their guidelines to clarify that lab grown diamonds are, indeed, real diamonds. The only difference is their point of origin, not their composition or quality.
This year has been absolutely transformative for lab grown diamonds, and frankly, it's about time. Here's why they're having such a moment:
Bigger Stone, Smaller Price Tag: With a lab grown diamond, you can afford that show-stopping centre stone you've been dreaming about without having to survive on beans on toast for the next five years.
Custom Design Freedom: Because they're more affordable, you have more budget left for custom design work. Fancy a unique setting? Want to add some side stones? Lab grown diamonds give you the flexibility to create something truly special.
The Modern Choice: Gen Z and millennials are absolutely mad for lab grown diamonds. They appreciate the transparency, the ethics, and the value proposition. It's conscious consumption at its finest.
A: Absolutely. The GIA has been grading lab grown diamonds since 2007 and issues the same detailed reports they provide for natural diamonds.
Q: Can you tell the difference between lab and natural?A: Not without specialised equipment. Even experienced jewellers need gemological instruments to identify the difference.
Q: Do lab grown diamonds hold their value?A: Currently, natural diamonds have better resale value, but the lab grown market is evolving rapidly. Remember, most people don't buy diamonds as investments—they buy them for love, celebration, and beauty.
Q: Will my lab grown diamond last forever?A: Yes! They have the same hardness (10 on the Mohs scale) and durability as natural diamonds. They'll outlast you, your children, and probably your children's children.
Q: Are all lab grown diamonds the same quality?A: Not at all. Just like natural diamonds, lab grown diamonds are graded on the same 4 Cs: Cut, Colour, Clarity, and Carat weight. Quality varies significantly.