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Marquise|Lab Grown|IGI

0.42ct F VS1 Marquise Lab Grown Diamond

ID • F/VS1 • IGI LG779646704

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG779646704

Diamond specifications and retailer prices

From £166 GBP
As of November 2, 2026
Save £477 GBP (74%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £643 GBP at MOH London · As of November 1, 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 F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG779646704 or 779646704. Listed at 6 retailers as of November 1, 2026, with prices from £166 to £643, a £477 spread on the same certified stone. MOH London lists it at £643. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.42
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle35.5°
Pavilion angle42.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG779646704
Dimensions7.99 × 3.69 × 2.52 mm
L/W Ratio2.17
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.99 mm3.69 mm0.42 ctF / VS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG779646704
Side View
Table 58.0%Crown 35.5°Girdle: MED-STKPavilion 42.5°Culet: NoneDepth 68.3%

Caratlytics Score

How it works →
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: Nov 2
Current: £643 GBP|Low: £156 GBP|High: £650 GBP|Avg: £291 GBP|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 2, 2026
Retailer 2£166 GBP
Retailer 5£182 GBP
Retailer 3£211 GBP
Retailer 4£314 GBP
MOH London£643 GBP

28 data points across 5 retailers

6 retailers£166 GBP to £643 GBP

A
Cheapest Retailer
-
£166 GBP
B+
Retailer 2
-
£182 GBP
$244 USD
View
B+
Retailer 3
-
£211 GBP
View
B
Retailer 4
-
£314 GBP
$421 USD
View
B
Retailer 5
-
£325 GBP
$436 USD
View
Most Expensive
B
MOH London
LG779646704 · Nov 1
£643 GBP
View
5 more retailers have this diamond
Prices start from £166 GBPSave up to £477 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
£166 GBP