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Marquise|Lab Grown|IGI

1.51ct G VS2 Marquise Lab Grown Diamond

EX • G/VS2 • IGI LG786644054

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG786644054

Diamond specifications and retailer prices

From £351 GBP
As of November 4, 2026
Save £476 GBP (58%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £828 GBP at MOH London · As of November 2, 2026
View at MOH London

About this 1.51ct lab-grown marquise diamond

This 1.51ct lab-grown marquise sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG786644054 or 786644054. Listed at 7 retailers as of November 2, 2026, with prices from £351 to £828, a £476 spread on the same certified stone. MOH London lists it at £828. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
G
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG786644054
Dimensions12.10 × 6.03 × 3.64 mm
L/W Ratio2.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.10 mm6.03 mm1.51 ctG / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG786644054
Side View
Table 56.0%Crown 34.9°Girdle: MediumPavilion 39.2°Culet: NoneDepth 60.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: £828 GBP|Low: £275 GBP|High: £831 GBP|Avg: £517 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 3£351 GBP
Retailer 7£355 GBP
Retailer 2£380 GBP
Retailer 4£395 GBP
Retailer 5£702 GBP
Retailer 6£706 GBP
MOH London£828 GBP

41 data points across 7 retailers

7 retailers£351 GBP to £828 GBP

A
Cheapest Retailer
-
£351 GBP
A
Retailer 2
-
£355 GBP
View
A
Retailer 3
-
£380 GBP
View
A
Retailer 4
-
£395 GBP
View
B+
Retailer 5
-
£702 GBP
View
B+
Retailer 6
-
£706 GBP
View
Most Expensive
B+
MOH London
LG786644054 · Nov 2
£828 GBP
View
6 more retailers have this diamond
Prices start from £351 GBPSave up to £476 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
1.51ct Marquise
£351 GBP