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Marquise|Lab Grown|IGI

1.15ct G VS1 Marquise Lab Grown Diamond

EX • G/VS1 • IGI LG542233002

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG542233002

Diamond specifications and retailer prices

From £301 GBP
$403 USD
As of November 1, 2026
Save £523 GBP (63%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £824 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.15ct lab-grown marquise diamond

This 1.15ct lab-grown marquise sits in the classic one-carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG542233002 or 542233002. Listed at 7 retailers as of October 29, 2026, with prices from £301 to £824, a £523 spread on the same certified stone. MOH London lists it at £824. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.15
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG542233002
Dimensions10.70 × 5.49 × 3.49 mm
L/W Ratio1.95
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
10.70 mm5.49 mm1.15 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG542233002
Side View
Table 59.5%Crown 35°Girdle: MED-STKPavilion 41°Culet: NoneDepth 63.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: £824 GBP|Low: £288 GBP|High: £828 GBP|Avg: £418 GBP|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 2, 2026
Retailer 5£301 GBP
Retailer 3£307 GBP
Retailer 2£316 GBP
Retailer 4£413 GBP
MOH London£824 GBP

42 data points across 5 retailers

7 retailers£301 GBP to £824 GBP

A
Cheapest Retailer
-
£301 GBP
$403 USD
A
Retailer 2
-
£307 GBP
$411 USD
View
A
Retailer 3
-
£316 GBP
View
B+
Retailer 4
-
£413 GBP
$553 USD
View
Retailer 5
-
£425 GBP
$570 USD
View
Price last confirmed 8 days ago
B
Retailer 6
-
£603 GBP
$808 USD
View
Most Expensive
B
MOH London
LG542233002 · Oct 29
£824 GBP
View
6 more retailers have this diamond
Prices start from £301 GBPSave up to £523 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
1.15ct Marquise
£301 GBP