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Marquise|Lab Grown|IGI

1.40ct D VS2 Marquise Lab Grown Diamond

EX • D/VS2 • IGI LG786670212

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG786670212

Diamond specifications and retailer prices

From £955 GBP
$1,280 USD
As of October 30, 2026
1 retailer carries this diamond
Only listing: £955 GBP at Brilliant Earth
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
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 D colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG786670212 or 786670212. Listed at a single retailer as of October 30, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG786670212
Dimensions11.29 × 5.95 × 3.68 mm
L/W Ratio1.90
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.29 mm5.95 mm1.40 ctD / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG786670212
Side View
Table 61.0%Crown 35.1°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 61.8%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 30
Current: £955 GBP|Low: £121 GBP|High: £73,032 GBP|Avg: £687 GBP|-17.4%
Brilliant Earth
Retailer 2
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Retailer 11
July 4, 2026
Retailer 11£121 GBP
Retailer 3£339 GBP
Retailer 5£380 GBP
Retailer 8£436 GBP
Retailer 10£455 GBP
Retailer 7£566 GBP
Retailer 2£593 GBP
Retailer 6£640 GBP
Retailer 9£660 GBP
Retailer 4£757 GBP
Brilliant Earth£955 GBP

57 data points across 11 retailers

1 retailer

B
Brilliant Earth
18523258A · Oct 30
£955 GBP
$1,280 USD
View

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B
1.40ct Marquise
£955 GBP