IGI Certified Blue Round Brilliant Lab Grown Diamonds

IGI certified blue lab grown round brilliant cut diamonds supplied in the UK for engagement rings, bespoke jewellery and custom design work. Loose blue lab grown round brilliant cut diamonds graded by IGI, selected for exceptional cut, precision and symmetry.

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Vivid blue round brilliant cut lab grown diamond loose IGI certified

0.30ct Blue Round Brilliant Lab Grown Diamond

Regular price £200.00
Sale price £200.00 Regular price
Unit price
0.30ct Vivid Blue Round Brilliant Lab Grown Diamond - IGI Certified Create show-stopping engagement rings...
Vivid blue round brilliant cut lab grown diamond loose IGI certified

0.40ct Blue Round Brilliant Lab Grown Diamond

Regular price £220.00
Sale price £220.00 Regular price
Unit price
0.40ct Vivid Blue Round Brilliant Lab Grown Diamond - IGI Certified Create show-stopping engagement rings...
Vivid blue round brilliant cut lab grown diamond loose IGI certified

0.50ct Blue Round Brilliant Lab Grown Diamond

Regular price £240.00
Sale price £240.00 Regular price
Unit price
0.50ct Vivid Blue Round Brilliant Lab Grown Diamond - IGI Certified Create show-stopping engagement rings...
Vivid blue round brilliant cut lab grown diamond loose IGI certified

0.60ct Blue Round Brilliant Lab Grown Diamond

Regular price £260.00
Sale price £260.00 Regular price
Unit price
0.60ct Vivid Blue Round Brilliant Lab Grown Diamond - IGI Certified Create show-stopping engagement rings...
Vivid blue round brilliant cut lab grown diamond loose IGI certified

0.70ct Blue Round Brilliant Lab Grown Diamond

Regular price £280.00
Sale price £280.00 Regular price
Unit price
0.70ct Vivid Blue Round Brilliant Lab Grown Diamond - IGI Certified Create show-stopping engagement rings...
Vivid blue round brilliant cut lab grown diamond loose IGI certified

0.80ct Blue Round Brilliant Lab Grown Diamond

Regular price £320.00
Sale price £320.00 Regular price
Unit price
0.80ct Vivid Blue Round Brilliant Lab Grown Diamond - IGI Certified Create show-stopping engagement rings...
Vivid blue round brilliant cut lab grown diamond loose IGI certified

0.90ct Blue Round Brilliant Lab Grown Diamond

Regular price £370.00
Sale price £370.00 Regular price
Unit price
0.90ct Vivid Blue Round Brilliant Lab Grown Diamond - IGI Certified Create show-stopping engagement rings...
Vivid blue round brilliant cut lab grown diamond loose IGI certified

1.00ct Blue Round Brilliant Lab Grown Diamond

Regular price £390.00
Sale price £390.00 Regular price
Unit price
1.00ct Vivid Blue Round Brilliant Lab Grown Diamond - IGI Certified Create show-stopping engagement rings...
Vivid blue round brilliant cut lab grown diamond loose IGI certified

1.10ct Blue Round Brilliant Lab Grown Diamond

Regular price £420.00
Sale price £420.00 Regular price
Unit price
1.10ct Vivid Blue Round Brilliant Lab Grown Diamond - IGI Certified Create show-stopping engagement rings...
Vivid blue round brilliant cut lab grown diamond loose IGI certified

1.20ct Blue Round Brilliant Lab Grown Diamond

Regular price £450.00
Sale price £450.00 Regular price
Unit price
1.20ct Vivid Blue Round Brilliant Lab Grown Diamond - IGI Certified Create show-stopping engagement rings...
Vivid blue round brilliant cut lab grown diamond loose IGI certified

1.30ct Blue Round Brilliant Lab Grown Diamond

Regular price £480.00
Sale price £480.00 Regular price
Unit price
1.30ct Vivid Blue Round Brilliant Lab Grown Diamond - IGI Certified Create show-stopping engagement rings...
Vivid blue round brilliant cut lab grown diamond loose IGI certified

1.40ct Blue Round Brilliant Lab Grown Diamond

Regular price £550.00
Sale price £550.00 Regular price
Unit price
1.40ct Vivid Blue Round Brilliant Lab Grown Diamond - IGI Certified Create show-stopping engagement rings...
Vivid blue round brilliant cut lab grown diamond loose IGI certified

1.50ct Blue Round Brilliant Lab Grown Diamond

Regular price £580.00
Sale price £580.00 Regular price
Unit price
1.50ct Vivid Blue Round Brilliant Lab Grown Diamond - IGI Certified Create show-stopping engagement rings...
Vivid blue round brilliant cut lab grown diamond loose IGI certified

1.60ct Blue Round Brilliant Lab Grown Diamond

Regular price £600.00
Sale price £600.00 Regular price
Unit price
1.60ct Vivid Blue Round Brilliant Lab Grown Diamond - IGI Certified Create show-stopping engagement rings...
Vivid blue round brilliant cut lab grown diamond loose IGI certified

1.70ct Blue Round Brilliant Lab Grown Diamond

Regular price £620.00
Sale price £620.00 Regular price
Unit price
1.70ct Vivid Blue Round Brilliant Lab Grown Diamond - IGI Certified Create show-stopping engagement rings...
Vivid blue round brilliant cut lab grown diamond loose IGI certified

1.80ct Blue Round Brilliant Lab Grown Diamond

Regular price £640.00
Sale price £640.00 Regular price
Unit price
1.80ct Vivid Blue Round Brilliant Lab Grown Diamond - IGI Certified Create show-stopping engagement rings...
Vivid blue round brilliant cut lab grown diamond loose IGI certified

1.90ct Blue Round Brilliant Lab Grown Diamond

Regular price £680.00
Sale price £680.00 Regular price
Unit price
1.90ct Vivid Blue Round Brilliant Lab Grown Diamond - IGI Certified Create show-stopping engagement rings...
Vivid blue round brilliant cut lab grown diamond loose IGI certified

2.00ct Blue Round Brilliant Lab Grown Diamond

Regular price £720.00
Sale price £720.00 Regular price
Unit price
2.00ct Vivid Blue Round Brilliant Lab Grown Diamond - IGI Certified Create show-stopping engagement rings...
Vivid blue round brilliant cut lab grown diamond loose IGI certified

2.50ct Blue Round Brilliant Lab Grown Diamond

Regular price £850.00
Sale price £850.00 Regular price
Unit price
2.50ct Vivid Blue Round Brilliant Lab Grown Diamond - IGI Certified Create show-stopping engagement rings...
Vivid blue round brilliant cut lab grown diamond loose IGI certified

3.00ct Blue Round Brilliant Lab Grown Diamond

Regular price £950.00
Sale price £950.00 Regular price
Unit price
3.00ct Vivid Blue Round Brilliant Lab Grown Diamond - IGI Certified Create show-stopping engagement rings...
Vivid blue round brilliant cut lab grown diamond loose IGI certified

4.00ct Blue Round Brilliant Lab Grown Diamond

Regular price £1,475.00
Sale price £1,475.00 Regular price
Unit price
4.00ct Vivid Blue Round Brilliant Lab Grown Diamond - IGI Certified Create show-stopping engagement rings...
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IGI Certified

Lab Grown Diamonds

GIA Certified

Natural Diamonds
Round cut lab grown diamond loose stone

Diamond Guide

Round Brilliant Cut Diamond Guide

Explore what makes Round Brilliant cut diamonds so distinctive — from their exceptional sparkle and fire to their perfectly balanced symmetry and timeless appeal. 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 Round Brilliant diamond for your budget.

Round Brilliant Cut Guide