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Marquise|Lab Grown|IGI

0.40ct F VS1 Marquise Lab Grown Diamond

ID • F/VS1 • IGI LG542231834

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG542231834

Diamond specifications and retailer prices

From £78 GBP
$104 USD
As of October 30, 2026
Save £727 GBP (90%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £805 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 0.4ct lab-grown marquise diamond

This 0.4ct lab-grown marquise sits in the sub-half-carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG542231834 or 542231834. Listed at 16 retailers as of October 29, 2026, with prices from £78 to £805, a £727 spread on the same certified stone. MOH London lists it at £805. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.40
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle38.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG542231834
Dimensions8.04 × 3.86 × 2.22 mm
L/W Ratio2.08
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
8.04 mm3.86 mm0.40 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG542231834
Side View
Table 63.0%Crown 34°Girdle: MED-STKPavilion 38.9°Culet: NoneDepth 57.5%

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: £805 GBP|Low: £74 GBP|High: £810 GBP|Avg: £261 GBP|+0.4%
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
Retailer 14
November 1, 2026
Retailer 11£78 GBP
Retailer 3£90 GBP
Retailer 4£102 GBP
Retailer 12£102 GBP
Retailer 7£174 GBP
Retailer 9£179 GBP
Retailer 8£188 GBP
Retailer 14£193 GBP
Retailer 10£246 GBP
Retailer 2£249 GBP
Retailer 5£265 GBP
Retailer 13£308 GBP
Retailer 6£500 GBP
MOH London£805 GBP

45 data points across 14 retailers

16 retailers£78 GBP to £805 GBP

A
Cheapest Retailer
-
£78 GBP
$104 USD
A
Retailer 2
-
£90 GBP
$120 USD
View
A
Retailer 3
-
£102 GBP
$137 USD
View
Retailer 4
-
£102 GBP
$137 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
£174 GBP
ZAR 3,769 ZAR
View
A
Retailer 6
-
£179 GBP
$240 USD
View
B+
Retailer 7
-
£188 GBP
View
B+
Retailer 8
-
£193 GBP
$259 USD
View
B+
Retailer 9
-
£201 GBP
HK$2,100 HKD
View
B+
Retailer 10
-
£246 GBP
View
B+
Retailer 11
-
£249 GBP
A$514 AUD
View
B+
Retailer 12
-
£265 GBP
$355 USD
View
B
Retailer 13
-
£308 GBP
$413 USD
View
B
Retailer 14
-
£352 GBP
$471 USD
View
B
Retailer 15
-
£500 GBP
View
Most Expensive
B
MOH London
LG542231834 · Oct 29
£805 GBP
View
15 more retailers have this diamond
Prices start from £78 GBPSave up to £727 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
0.40ct Marquise
£78 GBP