IGI Certified Radiant Lab Grown Diamonds

IGI certified Radiant lab grown diamonds in a range of carat weights, selected for cut, symmetry and quality. Explore loose Radiant diamonds for engagement rings, bespoke jewellery and custom designs.

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0.30ct Radiant Cut Lab Grown Diamond

Regular price From £150.00
Sale price From £150.00 Regular price
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0.40ct Radiant Cut Lab Grown Diamond

Regular price From £160.00
Sale price From £160.00 Regular price
Unit price

0.50ct Radiant Cut Lab Grown Diamond

Regular price From £170.00
Sale price From £170.00 Regular price
Unit price

0.60ct Radiant Cut Lab Grown Diamond

Regular price From £180.00
Sale price From £180.00 Regular price
Unit price

0.70ct Radiant Cut Lab Grown Diamond

Regular price From £190.00
Sale price From £190.00 Regular price
Unit price

0.80ct Radiant Cut Lab Grown Diamond

Regular price From £210.00
Sale price From £210.00 Regular price
Unit price

0.90ct Radiant Cut Lab Grown Diamond

Regular price From £220.00
Sale price From £220.00 Regular price
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1.00ct Radiant Cut Lab Grown Diamond

Regular price From £250.00
Sale price From £250.00 Regular price
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1.10ct Radiant Cut Lab Grown Diamond

Regular price From £260.00
Sale price From £260.00 Regular price
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1.20ct Radiant Cut Lab Grown Diamond

Regular price From £270.00
Sale price From £270.00 Regular price
Unit price

1.30ct Radiant Cut Lab Grown Diamond

Regular price From £280.00
Sale price From £280.00 Regular price
Unit price

1.40ct Radiant Cut Lab Grown Diamond

Regular price From £290.00
Sale price From £290.00 Regular price
Unit price

1.50ct Radiant Cut Lab Grown Diamond

Regular price From £330.00
Sale price From £330.00 Regular price
Unit price

1.60ct Radiant Cut Lab Grown Diamond

Regular price From £350.00
Sale price From £350.00 Regular price
Unit price

1.70ct Radiant Cut Lab Grown Diamond

Regular price From £360.00
Sale price From £360.00 Regular price
Unit price

1.80ct Radiant Cut Lab Grown Diamond

Regular price From £390.00
Sale price From £390.00 Regular price
Unit price

1.90ct Radiant Cut Lab Grown Diamond

Regular price From £410.00
Sale price From £410.00 Regular price
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2.00ct Radiant Cut Lab Grown Diamond

Regular price From £500.00
Sale price From £500.00 Regular price
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2.50ct Radiant Cut Lab Grown Diamond

Regular price From £650.00
Sale price From £650.00 Regular price
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3.00ct Radiant Cut Lab Grown Diamond

Regular price From £800.00
Sale price From £800.00 Regular price
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3.50ct Radiant Cut Lab Grown Diamond

Regular price From £950.00
Sale price From £950.00 Regular price
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4.00ct Radiant Cut Lab Grown Diamond

Regular price From £1,100.00
Sale price From £1,100.00 Regular price
Unit price

4.50ct Radiant Cut Lab Grown Diamond

Regular price From £1,300.00
Sale price From £1,300.00 Regular price
Unit price

5.00ct Radiant Cut Lab Grown Diamond

Regular price From £1,800.00
Sale price From £1,800.00 Regular price
Unit price

6.00ct Radiant Cut Lab Grown Diamond

Regular price From £2,700.00
Sale price From £2,700.00 Regular price
Unit price
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IGI Certified

Lab Grown Diamonds

GIA Certified

Natural Diamonds

Radiant cut lab grown diamond loose stone

Diamond Guide

Radiant Cut Diamond Guide

Explore what makes Radiant cut diamonds so distinctive — from their bold rectangular shape and exceptional brilliance to their modern design and intense sparkle. Discover how they compare to other diamond shapes, what to look for in cut quality and proportions, and how to choose the best lab grown Radiant cut diamond for your budget.