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Marquise|Lab Grown|IGI

1.50ct G VS1 Marquise Lab Grown Diamond

EX • G/VS1 • IGI LG836683890

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG836683890

Diamond specifications and retailer prices

From £336 GBP
As of October 29, 2026
Save £556 GBP (62%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £893 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 1.5ct lab-grown marquise diamond

This 1.5ct lab-grown marquise sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG836683890 or 836683890. Listed at 8 retailers as of October 29, 2026, with prices from £336 to £893, a £556 spread on the same certified stone. MOH London lists it at £893. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.50
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836683890
Dimensions12.35 × 5.69 × 3.36 mm
L/W Ratio2.17
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.35 mm5.69 mm1.50 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836683890
Side View
Table 63.0%Crown 35.9°Girdle: THK-VTKPavilion 35.6°Culet: NoneDepth 59.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 29
Current: £893 GBP|Low: £336 GBP|High: £922 GBP|Avg: £537 GBP|-1.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 5, 2026
Retailer 4£336 GBP
Retailer 8£359 GBP
Retailer 6£376 GBP
Retailer 2£419 GBP
Retailer 5£464 GBP
Retailer 3£674 GBP
Retailer 7£756 GBP
MOH London£893 GBP

39 data points across 8 retailers

8 retailers£336 GBP to £893 GBP

A
Cheapest Retailer
-
£336 GBP
A
Retailer 2
-
£359 GBP
View
A
Retailer 3
-
£376 GBP
View
A
Retailer 4
-
£419 GBP
View
A
Retailer 5
-
£464 GBP
View
B+
Retailer 6
-
£674 GBP
View
B+
Retailer 7
-
£756 GBP
View
Most Expensive
B
MOH London
LG836683890 · Nov 5
£893 GBP
View
7 more retailers have this diamond
Prices start from £336 GBPSave up to £556 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
1.50ct Marquise
£336 GBP