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Marquise|Lab Grown|IGI

1.50ct H VS1 Marquise Lab Grown Diamond

EX • H/VS1 • IGI LG668472880

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG668472880

Diamond specifications and retailer prices

From £310 GBP
As of November 1, 2026
Save £530 GBP (63%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £840 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 H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG668472880 or 668472880. Listed at 7 retailers as of November 1, 2026, with prices from £310 to £840, a £530 spread on the same certified stone. MOH London lists it at £840. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.50
Carat
H
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle31.1°
Pavilion angle38.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG668472880
Dimensions11.60 × 5.95 × 3.75 mm
L/W Ratio1.95
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.60 mm5.95 mm1.50 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG668472880
Side View
Table 60.0%Crown 31.1°Girdle: STK-THKPavilion 38.8°Culet: NoneDepth 63.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: £840 GBP|Low: £213 GBP|High: £865 GBP|Avg: £487 GBP|-2.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 6£213 GBP
Retailer 3£310 GBP
Retailer 4£314 GBP
Retailer 2£357 GBP
Retailer 9£378 GBP
Retailer 7£455 GBP
Retailer 8£605 GBP
Retailer 5£619 GBP
MOH London£840 GBP

18 data points across 9 retailers

7 retailers£310 GBP to £840 GBP

Retailer 1
-
£213 GBP
Price last confirmed 11 days ago
A
Retailer 2
-
£310 GBP
View
B+
Retailer 3
-
£314 GBP
View
A
Retailer 4
-
£357 GBP
View
A
Retailer 5
-
£455 GBP
View
B+
Retailer 6
-
£619 GBP
View
Most Expensive
B
MOH London
LG668472880 · Nov 5
£840 GBP
View
6 more retailers have this diamond
Prices start from £310 GBPSave up to £530 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
£310 GBP