Lab Grown Red Diamonds

Put simply, it is a real diamond. It just was not dug out of the ground. Lab grown red diamonds are made in a laboratory using processes that mirror how diamonds form in nature. What you end up with is a genuine stone, chemically and physically the same as a mined red diamond, just more affordable and far easier to get hold of.

Yes, fully. They are not cubic zirconia. They are not moissanite. They are not stand-ins of any kind. Lab grown red diamonds are graded and certified by GIA and IGI, the same institutions that certify mined diamonds. Anyone suggesting otherwise is mistaken.

Red diamonds get their colour from a structural irregularity that forms deep inside the crystal during growth. It happens very rarely, which is why fewer than 30 naturally occurring red diamonds have ever been recorded. That is not a figure that gets thrown around loosely. It genuinely is that uncommon, and it is what gives red diamonds their reputation in the coloured diamond world.

Natural red diamonds fetch millions per carat at auction. For the vast majority of people, they are simply not an option. Lab grown red diamonds carry the same colour grading and certified quality but sit at a price most people can actually work with. The exact figure depends on carat weight, cut, and clarity. Our team at Flawless will find you the right stone without pushing you beyond your budget.

At Flawless we carry lab grown red diamonds in round brilliant, oval, cushion cut, radiant cut, pear shaped, marquise, emerald cut, princess cut, asscher, and heart shaped. Classic or unconventional, there is a cut here for every taste and every setting style.

Every stone comes with a certificate from GIA, IGI, or HRD. All three are among the most trusted names in diamond grading. The certificate covers carat weight, colour grade, clarity grade, and cut quality. You will know exactly what you are buying before you make any decisions.

Yes, and it is one of the things we do best. There is nothing quite like a red diamond engagement ring. It is personal, it is striking, and it is genuinely unlike what most people will ever own. At our Hatton Garden studio we design rings around your chosen stone from scratch. The result is something built entirely around you.

Yes. No mining is involved, which means no damage to the land, no heavy carbon footprint from extraction, and no connection to conflict sourcing. If where your jewellery comes from matters to you, lab grown red diamonds are one of the better choices out there. You are not giving anything up on quality to make that choice either.

Please do. Looking at a coloured diamond on a screen only tells you so much. Come in, see the stones properly, and speak to someone who actually knows them well. Book an appointment and one of our specialists will walk you through everything at whatever pace suits you. No pressure at any point.

In terms of the stone itself, very little. The hardness is the same. The optical properties are the same. The colour and certified quality are the same. Where they differ is origin and price. A natural red diamond spent billions of years forming underground. A lab grown one was produced using CVD or HPHT technology over the course of a few weeks. Both are real diamonds. One just happens to be something most people can actually own.