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Marquise|Lab Grown|IGI

1.20ct E VS2 Marquise Lab Grown Diamond

ID • E/VS2 • IGI LG843651000

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG843651000

Diamond specifications and retailer prices

From £214 GBP
$285 USD
As of October 28, 2026
Save £524 GBP (71%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £738 GBP at MOH London · As of October 25, 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 E colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG843651000 or 843651000. Listed at 5 retailers as of October 25, 2026, with prices from £214 to £738, a £524 spread on the same certified stone. MOH London lists it at £738. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
E
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.4°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843651000
Dimensions10.22 × 5.27 × 3.71 mm
L/W Ratio1.94
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.22 mm5.27 mm1.20 ctE / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843651000
Side View
Table 60.0%Crown 40.4°Girdle: THK-VTKPavilion 41.6°Culet: NoneDepth 70.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: £738 GBP|Low: £214 GBP|High: £741 GBP|Avg: £419 GBP|-0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 29, 2026
Retailer 5£214 GBP
Retailer 2£280 GBP
Retailer 3£318 GBP
Retailer 4£548 GBP
MOH London£738 GBP

14 data points across 5 retailers

5 retailers£214 GBP to £738 GBP

B+
Cheapest Retailer
-
£214 GBP
$285 USD
A
Retailer 2
-
£280 GBP
View
A
Retailer 3
-
£318 GBP
$424 USD
View
B+
Retailer 4
-
£548 GBP
$730 USD
View
Most Expensive
B
MOH London
LG843651000 · Oct 25
£738 GBP
View
4 more retailers have this diamond
Prices start from £214 GBPSave up to £524 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
£214 GBP