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Marquise|Lab Grown|IGI

1.24ct F VS1 Marquise Lab Grown Diamond

ID • F/VS1 • IGI LG847620137

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG847620137

Diamond specifications and retailer prices

From £313 GBP
As of November 6, 2026
Save £613 GBP (66%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £926 GBP at Brilliant Earth · As of November 6, 2026
View at Brilliant Earth

About this 1.24ct lab-grown marquise diamond

This 1.24ct lab-grown marquise sits in the classic one-carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG847620137 or 847620137. Listed at 5 retailers as of November 6, 2026, with prices from £313 to £926, a £613 spread on the same certified stone. Brilliant Earth lists it at £926. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.24
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG847620137
Dimensions11.20 × 5.42 × 3.45 mm
L/W Ratio2.07
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.20 mm5.42 mm1.24 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG847620137
Side View
Table 60.0%Crown 35.6°Girdle: STK-THKPavilion 40°Culet: NoneDepth 63.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: £926 GBP|Low: £313 GBP|High: £926 GBP|Avg: £487 GBP|+15.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 6, 2026
Retailer 5£313 GBP
Retailer 3£323 GBP
Retailer 2£341 GBP
Retailer 4£616 GBP
Brilliant Earth£926 GBP

3 data points across 5 retailers

5 retailers£313 GBP to £926 GBP

A
Cheapest Retailer
-
£313 GBP
A
Retailer 2
-
£323 GBP
View
A
Retailer 3
-
£341 GBP
View
B+
Retailer 4
-
£616 GBP
View
Most Expensive
B
Brilliant Earth
22496022A · Nov 6
£926 GBP
$1,240 USD
View
4 more retailers have this diamond
Prices start from £313 GBPSave up to £613 GBP

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.24ct Marquise
£313 GBP