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Marquise|Lab Grown|IGI

1.40ct E VS2 Marquise Lab Grown Diamond

ID • E/VS2 • IGI LG794696659

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG794696659

Diamond specifications and retailer prices

From £168 GBP
$224 USD
As of October 30, 2026
Save £89 GBP (35%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £758 GBP at Brilliant Earth · As of October 1, 2026
View at Brilliant Earth

About this 1.4ct lab-grown marquise diamond

This 1.4ct 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 LG794696659 or 794696659. Listed at 5 retailers as of October 30, 2026, with a 53% 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

1.40
Carat
E
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG794696659
Dimensions11.57 × 5.84 × 11.57 mm
L/W Ratio1.98
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.57 mm5.84 mm1.40 ctE / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG794696659
Side View
Table 57.0%Crown 36.3°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 63.5%

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 30
Current: £758 GBP|Low: £168 GBP|High: £758 GBP|Avg: £492 GBP
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 26, 2026
Retailer 3£168 GBP
Retailer 2£258 GBP
Retailer 4£340 GBP
Retailer 5£357 GBP
Retailer 7£418 GBP
Retailer 9£520 GBP
Retailer 10£601 GBP
Retailer 6£603 GBP
Retailer 8£608 GBP
Brilliant Earth£758 GBP

12 data points across 10 retailers

5 retailers£168 GBP to £258 GBP

A
Cheapest Retailer
-
£168 GBP
$224 USD
Final sale: no returns
B+
Retailer 2
-
£258 GBP
$343 USD
View
Retailer 3
-
£601 GBP
A$1,232 AUD
View
Price last confirmed 138 days ago
Retailer 4
-
£608 GBP
$810 USD
View
Price last confirmed 51 days ago
Most Expensive
Brilliant Earth
19366489A · Oct 1
£758 GBP
$1,010 USD
View
Price last confirmed 28 days ago
4 more retailers have this diamond
Prices start from £168 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
1.40ct Marquise
£168 GBP