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Marquise|Lab Grown|IGI

1.50ct G VS1 Marquise Lab Grown Diamond

ID • G/VS1 • IGI LG845655485

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG845655485

Diamond specifications and retailer prices

From £253 GBP
As of November 4, 2026
Save £626 GBP (71%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £879 GBP at MOH London · As of November 2, 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 LG845655485 or 845655485. Listed at 9 retailers as of November 2, 2026, with prices from £253 to £879, a £626 spread on the same certified stone. MOH London lists it at £879. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG845655485
Dimensions12.10 × 5.99 × 3.62 mm
L/W Ratio2.02
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.10 mm5.99 mm1.50 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG845655485
Side View
Table 60.0%Crown 33.7°Girdle: MED-STKPavilion 39.7°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: £879 GBP|Low: £219 GBP|High: £879 GBP|Avg: £523 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 3£253 GBP
Retailer 8£348 GBP
Retailer 6£367 GBP
Retailer 2£406 GBP
Retailer 9£438 GBP
Retailer 5£700 GBP
Retailer 4£736 GBP
Retailer 7£765 GBP
MOH London£879 GBP

5 data points across 9 retailers

9 retailers£253 GBP to £879 GBP

A
Cheapest Retailer
-
£253 GBP
A
Retailer 2
-
£348 GBP
View
A
Retailer 3
-
£367 GBP
View
A
Retailer 4
-
£406 GBP
View
A
Retailer 5
-
£438 GBP
View
B+
Retailer 6
-
£700 GBP
View
B
Retailer 7
-
£736 GBP
View
B
Retailer 8
-
£765 GBP
View
Most Expensive
B
MOH London
LG845655485 · Nov 2
£879 GBP
View
8 more retailers have this diamond
Prices start from £253 GBPSave up to £626 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
£253 GBP