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Marquise|Lab Grown|IGI

1.21ct F VS2 Marquise Lab Grown Diamond

ID • F/VS2 • IGI LG826641324

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG826641324

Diamond specifications and retailer prices

From £583 GBP
As of November 6, 2026
6 retailers carry this diamond
Most expensive: £800 GBP at MOH London · As of October 19, 2026
View at MOH London

About this 1.21ct lab-grown marquise diamond

This 1.21ct lab-grown marquise sits in the classic one-carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG826641324 or 826641324. Listed at 6 retailers as of November 6, 2026. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
F
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG826641324
Dimensions10.82 × 5.63 × 3.47 mm
L/W Ratio1.92
Girdle conditionFaceted
Culet sizeNone
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.82 mm5.63 mm1.21 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG826641324
Side View
Table 60.0%Crown 33.9°Girdle: THN-MEDPavilion 40.6°Culet: NoneDepth 61.6%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 6
Current: £800 GBP|Low: £143 GBP|High: £1,390 GBP|Avg: £559 GBP|+1.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 21, 2026
Retailer 7£145 GBP
Retailer 5£168 GBP
Retailer 3£255 GBP
Retailer 8£313 GBP
Retailer 4£581 GBP
Retailer 2£583 GBP
Retailer 9£622 GBP
Retailer 10£638 GBP
MOH London£800 GBP
Retailer 6£1,390 GBP

14 data points across 10 retailers

6 retailers

Retailer 1
-
£145 GBP
Price last confirmed 19 days ago
Retailer 2
-
£168 GBP
View
Price last confirmed 23 days ago
Retailer 3
-
£313 GBP
View
Price last confirmed 20 days ago
B+
Retailer 4
-
£583 GBP
View
Retailer 5
-
£638 GBP
View
Price last confirmed 22 days ago
Most Expensive
MOH London
LG826641324 · Oct 19
£800 GBP
View
Price last confirmed 18 days ago
5 more retailers have this diamond
Prices start from £583 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+
1.21ct Marquise
£583 GBP