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Marquise|Lab Grown|IGI

1.40ct E VS2 Marquise Lab Grown Diamond

EX • E/VS2 • IGI LG831693678

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG831693678

Diamond specifications and retailer prices

From £164 GBP
$218 USD
As of October 27, 2026
Save £656 GBP (80%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £819 GBP at MOH London · As of October 29, 2026
View at MOH London

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 LG831693678 or 831693678. Listed at 18 retailers as of October 27, 2026, with prices from £164 to £819, a £656 spread on the same certified stone. MOH London lists it at £819. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.9°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831693678
Dimensions11.70 × 5.72 × 3.59 mm
L/W Ratio2.05
Girdle conditionFaceted
Culet sizeNone
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.70 mm5.72 mm1.40 ctE / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831693678
Side View
Table 60.0%Crown 37.9°Girdle: THN-STKPavilion 39.9°Culet: NoneDepth 62.8%

Caratlytics Score

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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 27
Current: £819 GBP|Low: £164 GBP|High: £819 GBP|Avg: £428 GBP|+0.5%
MOH London
Retailer 2
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Retailer 6
Retailer 7
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Retailer 11
Retailer 12
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Retailer 18
October 30, 2026
Retailer 17£164 GBP
Retailer 7£183 GBP
Retailer 15£190 GBP
Retailer 3£204 GBP
Retailer 11£204 GBP
Retailer 12£245 GBP
Retailer 18£344 GBP
Retailer 4£348 GBP
Retailer 2£377 GBP
Retailer 9£390 GBP
Retailer 6£427 GBP
Retailer 14£597 GBP
Retailer 16£617 GBP
Retailer 13£653 GBP
Retailer 5£656 GBP
Retailer 10£693 GBP
Retailer 8£736 GBP
MOH London£819 GBP

10 data points across 18 retailers

18 retailers£164 GBP to £819 GBP

A
Cheapest Retailer
-
£164 GBP
$218 USD
A
Retailer 2
-
£183 GBP
$244 USD
View
Final sale: no returns
A
Retailer 3
-
£190 GBP
$253 USD
View
A
Retailer 4
-
£204 GBP
$271 USD
View
A
Retailer 5
-
£204 GBP
$271 USD
View
A
Retailer 6
-
£245 GBP
View
A
Retailer 7
-
£344 GBP
€436 EUR
View
A
Retailer 8
-
£348 GBP
$464 USD
View
A
Retailer 9
-
£377 GBP
View
A
Retailer 10
-
£390 GBP
$520 USD
View
A
Retailer 11
-
£427 GBP
$568 USD
View
B+
Retailer 12
-
£597 GBP
$795 USD
View
B+
Retailer 13
-
£617 GBP
A$1,265 AUD
View
B
Retailer 14
-
£653 GBP
$870 USD
View
B
Retailer 15
-
£656 GBP
$873 USD
View
B
Retailer 16
-
£693 GBP
$923 USD
View
B
Retailer 17
-
£736 GBP
$980 USD
View
Most Expensive
B
MOH London
LG831693678 · Oct 29
£819 GBP
View
17 more retailers have this diamond
Prices start from £164 GBPSave up to £656 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
£164 GBP