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Marquise|Lab Grown|IGI

1.50ct H VS1 Marquise Lab Grown Diamond

ID • H/VS1 • IGI LG829619670

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG829619670

Diamond specifications and retailer prices

From £315 GBP
As of November 4, 2026
Save £619 GBP (66%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £934 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 LG829619670 or 829619670. Listed at 3 retailers as of November 4, 2026, with prices from £315 to £934, a £619 spread on the same certified stone. MOH London lists it at £934. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.3°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG829619670
Dimensions12.18 × 5.79 × 3.73 mm
L/W Ratio2.10
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.18 mm5.79 mm1.50 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG829619670
Side View
Table 61.0%Crown 37.3°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 64.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: £934 GBP|Low: £315 GBP|High: £948 GBP|Avg: £550 GBP|-0.3%
MOH London
Retailer 2
Retailer 3
November 5, 2026
Retailer 2£315 GBP
Retailer 3£384 GBP
MOH London£934 GBP

14 data points across 3 retailers

3 retailers£315 GBP to £934 GBP

B+
Cheapest Retailer
-
£315 GBP
A
Retailer 2
-
£384 GBP
View
Most Expensive
B
MOH London
LG829619670 · Nov 5
£934 GBP
View
2 more retailers have this diamond
Prices start from £315 GBPSave up to £619 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
£315 GBP