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Marquise|Lab Grown|IGI

1.40ct F VS2 Marquise Lab Grown Diamond

ID • F/VS2 • IGI LG638425357

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG638425357

Diamond specifications and retailer prices

From £790 GBP
$1,060 USD
As of November 2, 2026
1 retailer carries this diamond
Only listing: £790 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 F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG638425357 or 638425357. Listed at a single retailer as of November 2, 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
F
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG638425357
Dimensions12.26 × 5.92 × 3.47 mm
L/W Ratio2.07
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.26 mm5.92 mm1.40 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG638425357
Side View
Table 63.0%Crown 34°Girdle: THN-MEDPavilion 39.2°Culet: NoneDepth 58.6%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 2
Current: £820 GBP|Low: £223 GBP|High: £66,116 GBP|Avg: £882 GBP
Brilliant Earth
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May 6, 2026
Retailer 4£238 GBP
Retailer 10£334 GBP
Retailer 5£339 GBP
Retailer 8£373 GBP
Retailer 2£392 GBP
Retailer 12£455 GBP
Retailer 13£506 GBP
Retailer 16£566 GBP
Retailer 9£570 GBP
Retailer 14£574 GBP
Retailer 3£635 GBP
Retailer 15£635 GBP
Retailer 11£680 GBP
Retailer 7£713 GBP
Retailer 6£818 GBP
Brilliant Earth£820 GBP

53 data points across 16 retailers

1 retailer

B
Brilliant Earth
14224456A · Nov 2
£790 GBP
$1,060 USD
View

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B
1.40ct Marquise
£790 GBP