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Marquise|Lab Grown|IGI

1.40ct E VS2 Marquise Lab Grown Diamond

ID • E/VS2 • IGI LG780694056

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG780694056

Diamond specifications and retailer prices

From £156 GBP
$208 USD
As of October 30, 2026
Save £759 GBP (83%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £915 GBP at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

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 LG780694056 or 780694056. Listed at 16 retailers as of October 30, 2026, with prices from £156 to £915, a £759 spread on the same certified stone. Reve Diamonds lists it at £915. 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 angle31.1°
Pavilion angle38.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780694056
Dimensions12.22 × 5.81 × 3.36 mm
L/W Ratio2.10
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.22 mm5.81 mm1.40 ctE / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780694056
Side View
Table 63.0%Crown 31.1°Girdle: STK-THKPavilion 38.3°Culet: NoneDepth 57.8%

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 30
Current: £357 GBP|Low: £149 GBP|High: £915 GBP|Avg: £438 GBP|+4.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Reve Diamonds
October 30, 2026
Retailer 10£156 GBP
Retailer 13£174 GBP
Retailer 14£181 GBP
Retailer 2£194 GBP
Retailer 11£194 GBP
Retailer 7£232 GBP
Retailer 6£261 GBP
Retailer 1£357 GBP
Retailer 3£439 GBP
Retailer 12£622 GBP
Retailer 9£624 GBP
Retailer 4£662 GBP
Retailer 5£755 GBP
Retailer 8£779 GBP
Reve Diamonds£915 GBP

43 data points across 15 retailers

16 retailers£156 GBP to £915 GBP

A
Cheapest Retailer
-
£156 GBP
$208 USD
A
Retailer 2
-
£174 GBP
$232 USD
View
Final sale: no returns
A
Retailer 3
-
£181 GBP
$241 USD
View
Retailer 4
-
£194 GBP
$258 USD
View
Price last confirmed 14 days ago
A
Retailer 5
-
£194 GBP
$258 USD
View
A
Retailer 6
-
£232 GBP
View
B+
Retailer 7
-
£261 GBP
$348 USD
View
A
Retailer 8
-
£357 GBP
View
B+
Retailer 9
-
£424 GBP
$564 USD
View
B+
Retailer 10
-
£439 GBP
$584 USD
View
B+
Retailer 11
-
£622 GBP
$828 USD
View
B
Retailer 12
-
£624 GBP
$831 USD
View
B
Retailer 13
-
£662 GBP
$881 USD
View
Retailer 14
-
£755 GBP
View
Price last confirmed 11 days ago
B
Retailer 15
-
£779 GBP
View
Most Expensive
B
Reve Diamonds
B85E0D732 · Oct 30
£915 GBP
$1,218 USD
View
15 more retailers have this diamond
Prices start from £156 GBPSave up to £759 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
£156 GBP