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Introducing
Lightbox Finest™
At Lightbox we make some of the finest laboratory-grown diamonds you can find. We call them Lightbox Finest™.
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Grown from seed to stone
seed
rough stone
Shine Refined
Discover the finest collection
Shop the look
Elevate your every day in Lightbox Finest™ studs and pendants. Set in solid 18k gold, each exceptional stone is the epitome of high impact from high quality.

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Excellent cut
Post-growth, each Finest stone is cut for exceptional brilliance, to the highest industry standard of ‘Excellent’.
Our mark of quality
Invisible to the naked eye, we laser inscribe each stone beneath its surface with our mark of quality -- your guarantee it has met its Lightbox Finest™ quality promise.