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Marquise|Lab Grown|IGI

1.42ct E VS2 Marquise Lab Grown Diamond

EX • E/VS2 • IGI LG790604644

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG790604644

Diamond specifications and retailer prices

From £169 GBP
$225 USD
As of October 28, 2026
Save £89 GBP (34%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £1,206 GBP at Helzberg Diamonds · As of October 3, 2026
View at Helzberg Diamonds

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 LG790604644 or 790604644. Listed at 5 retailers as of October 28, 2026, with a 52% 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

1.42
Carat
E
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG790604644
Dimensions11.51 × 5.91 × 11.51 mm
L/W Ratio1.95
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.51 mm5.91 mm1.42 ctE / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG790604644
Side View
Table 62.0%Crown 34.2°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 63.1%

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: Oct 28
Current: £1,206 GBP|Low: £92 GBP|High: £1,206 GBP|Avg: £468 GBP
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 22, 2026
Retailer 8£92 GBP
Retailer 2£169 GBP
Retailer 5£258 GBP
Retailer 6£341 GBP
Retailer 7£357 GBP
Retailer 3£430 GBP
Retailer 4£432 GBP
Retailer 12£526 GBP
Retailer 11£603 GBP
Retailer 9£616 GBP
Retailer 10£766 GBP
Helzberg Diamonds£1,206 GBP

11 data points across 12 retailers

5 retailers£169 GBP to £258 GBP

A
Cheapest Retailer
-
£169 GBP
$225 USD
Final sale: no returns
B+
Retailer 2
-
£258 GBP
$343 USD
View
B+
Retailer 3
-
£432 GBP
A$886 AUD
View
Price last confirmed 118 days ago
B+
Retailer 4
-
£616 GBP
$820 USD
View
Price last confirmed 66 days ago
Most Expensive
B
Helzberg Diamonds
ZXZNPGMGKMKK · Oct 3
£1,206 GBP
$1,606 USD
View
Price last confirmed 26 days ago
4 more retailers have this diamond
Prices start from £169 GBPSave up to £89 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
£169 GBP