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Marquise|Lab Grown|IGI

1.40ct F VS2 Marquise Lab Grown Diamond

EX • F/VS2

Diamond specifications and retailer prices

From £262 GBP
$352 USD
As of October 29, 2026
Save £439 GBP (63%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £701 GBP at The Diamond Guys · As of October 28, 2026
View at The Diamond Guys

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. Listed at 3 retailers as of October 28, 2026, with prices from £262 to £701, a £439 spread on the same certified stone. The Diamond Guys lists it at £701. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions11.78 × 5.69 × 3.67 mm
L/W Ratio2.07
Top View
11.78 mm5.69 mm1.40 ctF / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 57.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 64.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 29
Current: £262 GBP|Low: £262 GBP|High: £701 GBP|Avg: £545 GBP
Retailer 1
Retailer 2
The Diamond Guys
October 23, 2026
Retailer 1£262 GBP
Retailer 2£530 GBP
The Diamond Guys£701 GBP

2 data points across 3 retailers

3 retailers£262 GBP to £701 GBP

A
Cheapest Retailer
-
£262 GBP
$352 USD
B
Retailer 2
-
£530 GBP
CA$988 CAD
View
Most Expensive
B
The Diamond Guys
1992504521 · Oct 28
£701 GBP
$941 USD
View
2 more retailers have this diamond
Prices start from £262 GBPSave up to £439 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
£262 GBP