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Marquise|Lab Grown|IGI

1.01ct H VS1 Marquise Lab Grown Diamond

ID • H/VS1 • IGI LG761509213

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG761509213

Diamond specifications and retailer prices

From £241 GBP
As of November 3, 2026
Save £251 GBP (51%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £659 GBP at MOH London · As of October 26, 2026
View at MOH London

About this 1.01ct lab-grown marquise diamond

This 1.01ct lab-grown marquise sits in the classic one-carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG761509213 or 761509213. Listed at 7 retailers as of November 3, 2026, with a 104% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.01
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG761509213
Dimensions10.79 × 5.15 × 2.98 mm
L/W Ratio2.10
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.79 mm5.15 mm1.01 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG761509213
Side View
Table 67.0%Crown 33.6°Girdle: STK-THKPavilion 38.6°Culet: NoneDepth 57.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 3
Current: £659 GBP|Low: £241 GBP|High: £672 GBP|Avg: £382 GBP|-1.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 28, 2026
Retailer 3£241 GBP
Retailer 5£256 GBP
Retailer 2£267 GBP
Retailer 4£376 GBP
Retailer 7£378 GBP
Retailer 6£493 GBP
MOH London£659 GBP

16 data points across 7 retailers

7 retailers£241 GBP to £493 GBP

A
Cheapest Retailer
-
£241 GBP
A
Retailer 2
-
£256 GBP
View
A
Retailer 3
-
£267 GBP
View
A
Retailer 4
-
£376 GBP
View
A
Retailer 5
-
£378 GBP
View
B+
Retailer 6
-
£493 GBP
View
Most Expensive
MOH London
LG761509213 · Oct 26
£659 GBP
View
Price last confirmed 9 days ago
6 more retailers have this diamond
Prices start from £241 GBPSave up to £251 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
1.01ct Marquise
£241 GBP