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Marquise|Lab Grown|IGI

0.42ct G VS2 Marquise Lab Grown Diamond

ID • G/VS2 • IGI LG544271913

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG544271913

Diamond specifications and retailer prices

From £80 GBP
$107 USD
As of October 30, 2026
Save £754 GBP (90%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £834 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 0.42ct lab-grown marquise diamond

This 0.42ct lab-grown marquise sits in the sub-half-carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG544271913 or 544271913. Listed at 14 retailers as of October 29, 2026, with prices from £80 to £834, a £754 spread on the same certified stone. MOH London lists it at £834. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.42
Carat
G
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle36.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG544271913
Dimensions8.11 × 3.94 × 2.27 mm
L/W Ratio2.06
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
8.11 mm3.94 mm0.42 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG544271913
Side View
Table 55.0%Crown 33.6°Girdle: THN-MEDPavilion 36.9°Culet: NoneDepth 57.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £834 GBP|Low: £77 GBP|High: £840 GBP|Avg: £281 GBP|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 1, 2026
Retailer 8£80 GBP
Retailer 12£93 GBP
Retailer 9£106 GBP
Retailer 13£106 GBP
Retailer 6£179 GBP
Retailer 2£197 GBP
Retailer 10£199 GBP
Retailer 7£240 GBP
Retailer 3£268 GBP
Retailer 11£319 GBP
Retailer 4£363 GBP
Retailer 5£523 GBP
MOH London£834 GBP

43 data points across 13 retailers

14 retailers£80 GBP to £834 GBP

A
Cheapest Retailer
-
£80 GBP
$107 USD
A
Retailer 2
-
£93 GBP
$125 USD
View
Retailer 3
-
£106 GBP
$142 USD
View
Price last confirmed 7 days ago
A
Retailer 4
-
£106 GBP
$142 USD
View
A
Retailer 5
-
£179 GBP
$240 USD
View
B+
Retailer 6
-
£197 GBP
View
B+
Retailer 7
-
£199 GBP
$266 USD
View
B+
Retailer 8
-
£201 GBP
HK$2,100 HKD
View
B+
Retailer 9
-
£240 GBP
View
B+
Retailer 10
-
£268 GBP
$359 USD
View
B
Retailer 11
-
£319 GBP
$428 USD
View
B
Retailer 12
-
£363 GBP
$486 USD
View
B
Retailer 13
-
£523 GBP
View
Most Expensive
B
MOH London
LG544271913 · Oct 29
£834 GBP
View
13 more retailers have this diamond
Prices start from £80 GBPSave up to £754 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
0.42ct Marquise
£80 GBP