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Marquise|Lab Grown|IGI

0.42ct F VS1 Marquise Lab Grown Diamond

F/VS1 • IGI LG779657361

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG779657361

Diamond specifications and retailer prices

From £92 GBP
$123 USD
As of November 2, 2026
Save £863 GBP (90%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £955 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 F colour (colourless) and VS1 clarity (very-slightly-included) and certified by IGI LG779657361 or 779657361. Listed at 17 retailers as of October 29, 2026, with prices from £92 to £955, a £863 spread on the same certified stone. MOH London lists it at £955. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.42
Carat
F
Colour
VS1
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.8°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG779657361
Dimensions8.37 × 3.94 × 2.34 mm
L/W Ratio2.12
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.37 mm3.94 mm0.42 ctF / VS1
OriginLab Grown
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG779657361
Side View
Table 59.0%Crown 31.8°Girdle: Slightly ThickPavilion 39.4°Culet: NoneDepth 59.4%

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: £955 GBP|Low: £88 GBP|High: £962 GBP|Avg: £319 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 2, 2026
Retailer 11£92 GBP
Retailer 3£121 GBP
Retailer 13£121 GBP
Retailer 12£160 GBP
Retailer 9£203 GBP
Retailer 7£207 GBP
Retailer 2£234 GBP
Retailer 8£275 GBP
Retailer 6£296 GBP
Retailer 4£337 GBP
Retailer 10£366 GBP
Retailer 5£602 GBP
MOH London£955 GBP

46 data points across 13 retailers

17 retailers£92 GBP to £955 GBP

A
Cheapest Retailer
-
£92 GBP
$123 USD
A
Retailer 2
-
£107 GBP
$143 USD
View
Retailer 3
-
£117 GBP
A$242 AUD
View
Price last confirmed 127 days ago
B+
Retailer 4
-
£121 GBP
$163 USD
View
Retailer 5
-
£121 GBP
$163 USD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
£160 GBP
$215 USD
View
B+
Retailer 7
-
£203 GBP
€259 EUR
View
B+
Retailer 8
-
£207 GBP
ZAR 4,482 ZAR
View
B
Retailer 9
-
£234 GBP
View
B
Retailer 10
-
£275 GBP
View
B
Retailer 11
-
£296 GBP
A$611 AUD
View
B
Retailer 12
-
£318 GBP
SGD 576 SGD
View
B
Retailer 13
-
£337 GBP
$452 USD
View
B
Retailer 14
-
£366 GBP
$491 USD
View
B
Retailer 15
-
£408 GBP
$548 USD
View
B
Retailer 16
-
£602 GBP
View
Most Expensive
B
MOH London
LG779657361 · Oct 29
£955 GBP
View
16 more retailers have this diamond
Prices start from £92 GBPSave up to £863 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
£92 GBP