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Marquise|Lab Grown|IGI

0.42ct F VVS2 Marquise Lab Grown Diamond

ID • F/VVS2 • IGI LG780609327

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG780609327

Diamond specifications and retailer prices

From £69 GBP
$93 USD
As of November 2, 2026
Save £385 GBP (85%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £631 GBP at MOH London · As of October 26, 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 VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG780609327 or 780609327. Listed at 15 retailers as of November 2, 2026, with a 555% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle33.2°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780609327
Dimensions8.28 × 3.70 × 2.40 mm
L/W Ratio2.24
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.28 mm3.70 mm0.42 ctF / VVS2
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG780609327
Side View
Table 57.0%Crown 33.2°Girdle: MED-STKPavilion 39.7°Culet: NoneDepth 64.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: £631 GBP|Low: £66 GBP|High: £638 GBP|Avg: £223 GBP
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 9£69 GBP
Retailer 13£80 GBP
Retailer 3£92 GBP
Retailer 10£92 GBP
Retailer 6£156 GBP
Retailer 2£162 GBP
Retailer 8£171 GBP
Retailer 12£178 GBP
Retailer 7£207 GBP
Retailer 4£256 GBP
Retailer 11£276 GBP
Retailer 5£454 GBP
MOH London£631 GBP

43 data points across 13 retailers

15 retailers£69 GBP to £454 GBP

A
Cheapest Retailer
-
£69 GBP
$93 USD
A
Retailer 2
-
£80 GBP
$108 USD
View
A
Retailer 3
-
£92 GBP
$123 USD
View
Retailer 4
-
£92 GBP
$123 USD
View
Price last confirmed 8 days ago
Retailer 5
-
£149 GBP
$200 USD
View
A
Retailer 6
-
£156 GBP
ZAR 3,379 ZAR
View
A
Retailer 7
-
£162 GBP
View
B+
Retailer 8
-
£171 GBP
€219 EUR
View
A
Retailer 9
-
£178 GBP
$239 USD
View
B+
Retailer 10
-
£207 GBP
View
B
Retailer 11
-
£256 GBP
$344 USD
View
B+
Retailer 12
-
£276 GBP
$370 USD
View
B
Retailer 13
-
£320 GBP
$429 USD
View
B
Retailer 14
-
£454 GBP
View
Most Expensive
MOH London
LG780609327 · Oct 26
£631 GBP
View
Price last confirmed 7 days ago
14 more retailers have this diamond
Prices start from £69 GBPSave up to £385 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
£69 GBP