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Marquise|Lab Grown|IGI

1.40ct D VS2 Marquise Lab Grown Diamond

ID • D/VS2 • IGI LG770615066

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG770615066

Diamond specifications and retailer prices

From £160 GBP
$214 USD
As of October 27, 2026
Save £638 GBP (80%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £798 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 D colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG770615066 or 770615066. Listed at 11 retailers as of October 27, 2026, with prices from £160 to £798, a £638 spread on the same certified stone. MOH London lists it at £798. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.40
Carat
D
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.9°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770615066
Dimensions12.51 × 5.57 × 3.36 mm
L/W Ratio2.25
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.51 mm5.57 mm1.40 ctD / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770615066
Side View
Table 60.0%Crown 31.9°Girdle: MED-STKPavilion 39.5°Culet: NoneDepth 60.3%

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 27
Current: £798 GBP|Low: £99 GBP|High: £803 GBP|Avg: £412 GBP|+0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 29, 2026
Retailer 4£99 GBP
Retailer 8£160 GBP
Retailer 10£198 GBP
Retailer 11£198 GBP
Retailer 7£267 GBP
Retailer 5£346 GBP
Retailer 2£366 GBP
Retailer 12£434 GBP
Retailer 6£639 GBP
Retailer 3£676 GBP
Retailer 9£724 GBP
MOH London£798 GBP

37 data points across 12 retailers

11 retailers£160 GBP to £798 GBP

A
Cheapest Retailer
-
£160 GBP
$214 USD
A
Retailer 2
-
£198 GBP
$265 USD
View
A
Retailer 3
-
£198 GBP
$265 USD
View
B+
Retailer 4
-
£267 GBP
$358 USD
View
A
Retailer 5
-
£346 GBP
€441 EUR
View
A
Retailer 6
-
£366 GBP
View
B+
Retailer 7
-
£434 GBP
$581 USD
View
B
Retailer 8
-
£639 GBP
$856 USD
View
Retailer 9
-
£676 GBP
$906 USD
View
Price last confirmed 13 days ago
Retailer 10
-
£724 GBP
$970 USD
View
Price last confirmed 24 days ago
Most Expensive
B
MOH London
LG770615066 · Oct 29
£798 GBP
View
10 more retailers have this diamond
Prices start from £160 GBPSave up to £638 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
£160 GBP