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Marquise|Lab Grown|IGI

1.05ct F VS1 Marquise Lab Grown Diamond

ID • F/VS1 • IGI LG843667420

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG843667420

Diamond specifications and retailer prices

From £137 GBP
As of November 4, 2026
Save £658 GBP (83%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £795 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 1.05ct lab-grown marquise diamond

This 1.05ct lab-grown marquise sits in the classic one-carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG843667420 or 843667420. Listed at 11 retailers as of November 4, 2026, with prices from £137 to £795, a £658 spread on the same certified stone. MOH London lists it at £795. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843667420
Dimensions10.14 × 5.37 × 3.43 mm
L/W Ratio1.89
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.14 mm5.37 mm1.05 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843667420
Side View
Table 55.0%Crown 35°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 63.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: £795 GBP|Low: £137 GBP|High: £808 GBP|Avg: £438 GBP|-1.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 6£137 GBP
Retailer 9£160 GBP
Retailer 4£203 GBP
Retailer 11£293 GBP
Retailer 3£406 GBP
Retailer 10£419 GBP
Retailer 8£548 GBP
Retailer 7£580 GBP
Retailer 2£594 GBP
Retailer 5£632 GBP
MOH London£795 GBP

18 data points across 11 retailers

11 retailers£137 GBP to £795 GBP

A
Cheapest Retailer
-
£137 GBP
A
Retailer 2
-
£160 GBP
View
A
Retailer 3
-
£203 GBP
View
Retailer 4
-
£293 GBP
View
Price last confirmed 12 days ago
B+
Retailer 5
-
£406 GBP
View
B+
Retailer 6
-
£419 GBP
View
B+
Retailer 7
-
£548 GBP
View
B
Retailer 8
-
£580 GBP
View
B
Retailer 9
-
£594 GBP
View
B
Retailer 10
-
£632 GBP
View
Most Expensive
B
MOH London
LG843667420 · Nov 5
£795 GBP
View
10 more retailers have this diamond
Prices start from £137 GBPSave up to £658 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
1.05ct Marquise
£137 GBP