With more consumers seeking the best value whilst minimising their environmental impact, now is the time to consider lab diamonds for your next jewellery purchase or engagement ring.

As Vogue acknowledges, many held off on lab-grown diamonds due to doubts about their authenticity. However, with leading dealers like De Beers embracing the trend through their Lightbox Jewellery brand and manufacturing techniques refined, lab-grown engagement rings are surging in popularity. This shift may even create arbitrage opportunities, with natural diamond prices potentially falling as lab diamond demand rises.

Lab Diamonds are Identical to Natural Diamonds

This is a little-known fact: lab diamonds are grown in reactors simulating natural geological processes. Composed of pure carbon, like their mined counterparts, they score a perfect 10 on the Mohs hardness scale, making them equally durable. Each lab diamond is unique, with distinct inclusions and growth patterns—no two are alike. The naked eye cannot distinguish them; only lab specialists can. In 2018, the Federal Trade Commission ruled that “man-made diamonds are diamonds.”

Fancy Cuts, Flawless Colours and Big Carats

Fancy cuts, oversized stones and vivid colours now dominate luxury jewellery. Natural coloured diamonds, such as pinks or blues, command prices from £400,000 to £3 million per carat. Lab-grown alternatives make these dreams affordable, especially for engagement rings where couples desire large stones without the premium cost.

A More Sustainable Choice

Leading jewellery houses are prioritising ethics by adopting lab-grown diamonds for a lighter planetary footprint. Celebrities like Rihanna, Lady Gaga, Zendaya, Emma Watson, Jennifer Hudson and Jennifer Lopez have embraced the trend. Leonardo DiCaprio founded Diamond Foundry after his role in Blood Diamond (2006), spotlighting conflict diamonds. Lab diamonds avoid mining’s toll: no funded conflicts, displaced communities, harmed wildlife or polluted groundwater.

Where to Buy Lab Diamonds

Harper’s Bazaar offers an excellent round-up of celebrity-favourite international lab diamond brands. Locally, Bespoke by Kate and Pura offer exceptional, affordable lab-grown diamonds in vibrant colours and sizes.

Diamonds will always symbolise enduring luxury, but lab diamonds are gaining ground with unmatched value and sustainability.