IGI Certified Marquise Lab Grown Diamonds

Explore our premium collection of ethically sourced and sustainably grown IGI certified marquise lab grown diamonds. These diamonds deliver exceptional clarity, brilliance and fire, making them ideal for custom jewellery making, engagement rings or accent pieces.

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Marquise cut lab grown diamond IGI certified - The Carat Club

0.30ct Marquise Lab Grown Diamond

Regular price From £140.00
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0.30ct Marquise Lab Grown Diamond - IGI Certified IGI certified 0.30ct marquise lab grown diamond,...
Marquise cut lab grown diamond IGI certified - The Carat Club

0.40ct Marquise Lab Grown Diamond

Regular price From £190.00
Sale price From £190.00 Regular price
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0.40ct Marquise Lab Grown Diamond - IGI Certified IGI certified 0.40ct marquise lab grown diamond,...
Marquise cut lab grown diamond IGI certified - The Carat Club

0.50ct Marquise Lab Grown Diamond

Regular price From £200.00
Sale price From £200.00 Regular price
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0.50ct Marquise Lab Grown Diamond - IGI Certified IGI certified 0.50ct marquise lab grown diamond,...
Marquise cut lab grown diamond IGI certified - The Carat Club

0.60ct Marquise Lab Grown Diamond

Regular price From £220.00
Sale price From £220.00 Regular price
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0.60ct Marquise Lab Grown Diamond - IGI Certified IGI certified 0.60ct marquise lab grown diamond,...
Marquise cut lab grown diamond IGI certified - The Carat Club

0.70ct Marquise Lab Grown Diamond

Regular price From £230.00
Sale price From £230.00 Regular price
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0.70ct Marquise Lab Grown Diamond - IGI Certified IGI certified 0.70ct marquise lab grown diamond,...
Marquise cut lab grown diamond IGI certified - The Carat Club

0.80ct Marquise Lab Grown Diamond

Regular price From £250.00
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0.80ct Marquise Lab Grown Diamond - IGI Certified IGI certified 0.80ct marquise lab grown diamond,...
Marquise cut lab grown diamond IGI certified - The Carat Club

0.90ct Marquise Lab Grown Diamond

Regular price From £260.00
Sale price From £260.00 Regular price
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0.90ct Marquise Lab Grown Diamond - IGI Certified IGI certified 0.90ct marquise lab grown diamond,...
Marquise cut lab grown diamond IGI certified - The Carat Club

1.00ct Marquise Lab Grown Diamond

Regular price From £270.00
Sale price From £270.00 Regular price
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1.00ct Marquise Lab Grown Diamond - IGI Certified IGI certified 1.00ct marquise lab grown diamond,...
Marquise cut lab grown diamond IGI certified - The Carat Club

1.10ct Marquise Lab Grown Diamond

Regular price From £280.00
Sale price From £280.00 Regular price
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1.10ct Marquise Lab Grown Diamond - IGI Certified IGI certified 1.10ct marquise lab grown diamond,...
Marquise cut lab grown diamond IGI certified - The Carat Club

1.20ct Marquise Lab Grown Diamond

Regular price From £360.00
Sale price From £360.00 Regular price
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1.20ct Marquise Lab Grown Diamond - IGI Certified IGI certified 1.20ct marquise lab grown diamond,...
Marquise cut lab grown diamond IGI certified - The Carat Club

1.30ct Marquise Lab Grown Diamond

Regular price From £400.00
Sale price From £400.00 Regular price
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1.30ct Marquise Lab Grown Diamond - IGI Certified IGI certified 1.30ct marquise lab grown diamond,...
Marquise cut lab grown diamond IGI certified - The Carat Club

1.40ct Marquise Lab Grown Diamond

Regular price From £500.00
Sale price From £500.00 Regular price
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1.40ct Marquise Lab Grown Diamond - IGI Certified IGI certified 1.40ct marquise lab grown diamond,...
Marquise cut lab grown diamond IGI certified - The Carat Club

1.50ct Marquise Lab Grown Diamond

Regular price From £550.00
Sale price From £550.00 Regular price
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1.50ct Marquise Lab Grown Diamond - IGI Certified IGI certified 1.50ct marquise lab grown diamond,...
Marquise cut lab grown diamond IGI certified - The Carat Club

1.60ct Marquise Lab Grown Diamond

Regular price From £700.00
Sale price From £700.00 Regular price
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1.60ct Marquise Lab Grown Diamond - IGI Certified IGI certified 1.60ct marquise lab grown diamond,...
Marquise cut lab grown diamond IGI certified - The Carat Club

1.70ct Marquise Lab Grown Diamond

Regular price From £800.00
Sale price From £800.00 Regular price
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1.70ct Marquise Lab Grown Diamond - IGI Certified IGI certified 1.70ct marquise lab grown diamond,...
Marquise cut lab grown diamond IGI certified - The Carat Club

1.80ct Marquise Lab Grown Diamond

Regular price From £850.00
Sale price From £850.00 Regular price
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1.80ct Marquise Lab Grown Diamond - IGI Certified IGI certified 1.80ct marquise lab grown diamond,...
Marquise cut lab grown diamond IGI certified - The Carat Club

1.90ct Marquise Lab Grown Diamond

Regular price From £900.00
Sale price From £900.00 Regular price
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1.90ct Marquise Lab Grown Diamond - IGI Certified IGI certified 1.90ct marquise lab grown diamond,...
Marquise cut lab grown diamond IGI certified - The Carat Club

2.00ct Marquise Lab Grown Diamond

Regular price From £1,100.00
Sale price From £1,100.00 Regular price
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2.00ct Marquise Lab Grown Diamond - IGI Certified IGI certified 2.00ct marquise lab grown diamond,...
Marquise cut lab grown diamond IGI certified - The Carat Club

3.00ct Marquise Lab Grown Diamond

Regular price From £2,550.00
Sale price From £2,550.00 Regular price
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3.00ct Marquise Lab Grown Diamond - IGI Certified IGI certified 3.00ct marquise lab grown diamond,...
Marquise cut lab grown diamond IGI certified - The Carat Club

4.00ct Marquise Lab Grown Diamond

Regular price From £2,700.00
Sale price From £2,700.00 Regular price
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4.00ct Marquise Lab Grown Diamond - IGI Certified IGI certified 4.00ct marquise lab grown diamond,...
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