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Heart Shaped Lab-Grown Diamonds

Browse our loose heart shaped lab-grown diamonds in colourless D to J grades, from under a carat to over 3 carats. Most come with an independent IGI grading report.

Read our buying guide below ↓

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2 products

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7.36 Ct Heart Lab Diamond • F VS1 GIA Sale price£7,180.00
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2.58 Ct Heart Lab Diamond • E VVS2 IGI Sale price£1,490.00

Why choose a heart shaped diamond?

The heart cut is one of the most technically demanding shapes to cut well, needing exact symmetry between both lobes, and it is the most romantic of all diamond shapes, ideal for engagement rings, pendants and gifts.

How to choose a heart lab-grown diamond

Symmetry. The two lobes should be the same size with a clear cleft and a sharp point. Look for Excellent or Very Good symmetry.

Size. Heart shapes are easiest to recognise at around 0.70 carats and above, especially once set.

Colour and clarity. D to G gives a bright white look; VS1 and VS2 clarity are eye-clean.

Browse all loose lab-grown diamonds, or explore our pink lab-grown diamonds.

Frequently asked questions

Can I see these diamonds in your London store?

Our London store displays finished jewellery and a smaller selection of gemstones. Our loose diamonds are held at our workshop, so they are not on display in store.