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Marquise|Lab Grown|IGI

1.20ct F VS2 Marquise Lab Grown Diamond

ID • F/VS2 • IGI LG838647911

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG838647911

Diamond specifications and retailer prices

From £290 GBP
As of November 6, 2026
Save £514 GBP (64%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £804 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 1.2ct lab-grown marquise diamond

This 1.2ct lab-grown marquise sits in the classic one-carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG838647911 or 838647911. Listed at 7 retailers as of November 1, 2026, with prices from £290 to £804, a £514 spread on the same certified stone. MOH London lists it at £804. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
F
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG838647911
Dimensions11.26 × 5.59 × 3.34 mm
L/W Ratio2.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.26 mm5.59 mm1.20 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG838647911
Side View
Table 61.0%Crown 34.2°Girdle: STK-THKPavilion 39°Culet: NoneDepth 59.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: £804 GBP|Low: £290 GBP|High: £808 GBP|Avg: £450 GBP|-0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 2£290 GBP
Retailer 7£303 GBP
Retailer 3£308 GBP
Retailer 5£329 GBP
Retailer 4£467 GBP
Retailer 6£593 GBP
MOH London£804 GBP

22 data points across 7 retailers

7 retailers£290 GBP to £804 GBP

A
Cheapest Retailer
-
£290 GBP
A
Retailer 2
-
£303 GBP
View
A
Retailer 3
-
£308 GBP
View
A
Retailer 4
-
£329 GBP
View
B+
Retailer 5
-
£467 GBP
View
Retailer 6
-
£593 GBP
View
Price last confirmed 19 days ago
Most Expensive
B
MOH London
LG838647911 · Nov 1
£804 GBP
View
6 more retailers have this diamond
Prices start from £290 GBPSave up to £514 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
1.20ct Marquise
£290 GBP