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Marquise|Lab Grown|IGI

1.43ct F VS2 Marquise Lab Grown Diamond

ID • F/VS2 • IGI LG846653834

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG846653834

Diamond specifications and retailer prices

From £433 GBP
$580 USD
As of October 30, 2026
Save £451 GBP (51%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £883 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.43ct lab-grown marquise diamond

This 1.43ct 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 LG846653834 or 846653834. Listed at 4 retailers as of October 29, 2026, with prices from £433 to £883, a £451 spread on the same certified stone. MOH London lists it at £883. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.43
Carat
F
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846653834
Dimensions11.81 × 6.00 × 3.66 mm
L/W Ratio1.97
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.81 mm6.00 mm1.43 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846653834
Side View
Table 61.0%Crown 35°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 61.0%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 30
Current: £883 GBP|Low: £318 GBP|High: £883 GBP|Avg: £578 GBP|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
October 29, 2026
Retailer 2£318 GBP
Retailer 3£433 GBP
Retailer 4£664 GBP
MOH London£883 GBP

4 data points across 4 retailers

4 retailers£433 GBP to £883 GBP

Retailer 1
-
£318 GBP
€406 EUR
Price last confirmed 7 days ago
B+
Retailer 2
-
£433 GBP
$580 USD
View
B
Retailer 3
-
£664 GBP
$890 USD
View
Most Expensive
B
MOH London
LG846653834 · Oct 29
£883 GBP
View
3 more retailers have this diamond
Prices start from £433 GBPSave up to £451 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.

B+
1.43ct Marquise
£433 GBP