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Marquise|Lab Grown|IGI

1.42ct E VS2 Marquise Lab Grown Diamond

ID • E/VS2 • IGI LG780676493

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG780676493

Diamond specifications and retailer prices

From £264 GBP
$352 USD
As of October 28, 2026
Save £522 GBP (66%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £786 GBP at MOH London · As of October 26, 2026
View at MOH London

About this 1.42ct lab-grown marquise diamond

This 1.42ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG780676493 or 780676493. Listed at 6 retailers as of October 26, 2026, with prices from £264 to £786, a £522 spread on the same certified stone. MOH London lists it at £786. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.42
Carat
E
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780676493
Dimensions11.94 × 5.91 × 3.59 mm
L/W Ratio2.02
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.94 mm5.91 mm1.42 ctE / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780676493
Side View
Table 60.0%Crown 34.6°Girdle: MED-STKPavilion 39.8°Culet: NoneDepth 60.7%

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: Oct 28
Current: £786 GBP|Low: £264 GBP|High: £794 GBP|Avg: £493 GBP|-0.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 29, 2026
Retailer 4£264 GBP
Retailer 2£360 GBP
Retailer 5£435 GBP
Retailer 3£441 GBP
Retailer 6£669 GBP
MOH London£786 GBP

21 data points across 6 retailers

6 retailers£264 GBP to £786 GBP

B+
Cheapest Retailer
-
£264 GBP
$352 USD
A
Retailer 2
-
£360 GBP
View
A
Retailer 3
-
£435 GBP
$579 USD
View
B+
Retailer 4
-
£441 GBP
$587 USD
View
B+
Retailer 5
-
£669 GBP
$891 USD
View
Price last confirmed 11 days ago
Most Expensive
B
MOH London
LG780676493 · Oct 26
£786 GBP
View
5 more retailers have this diamond
Prices start from £264 GBPSave up to £522 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
1.42ct Marquise
£264 GBP