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Marquise|Lab Grown|IGI

1.23ct F VVS2 Marquise Lab Grown Diamond

ID • F/VVS2 • IGI LG786679953

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG786679953

Diamond specifications and retailer prices

From £308 GBP
As of November 4, 2026
Save £516 GBP (63%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £825 GBP at MOH London · As of November 2, 2026
View at MOH London

About this 1.23ct lab-grown marquise diamond

This 1.23ct lab-grown marquise sits in the classic one-carat band, graded F colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG786679953 or 786679953. Listed at 8 retailers as of November 2, 2026, with prices from £308 to £825, a £516 spread on the same certified stone. MOH London lists it at £825. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
F
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG786679953
Dimensions10.64 × 5.66 × 3.60 mm
L/W Ratio1.88
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.64 mm5.66 mm1.23 ctF / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG786679953
Side View
Table 62.0%Crown 35.6°Girdle: STK-THKPavilion 40.8°Culet: NoneDepth 63.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: £825 GBP|Low: £260 GBP|High: £833 GBP|Avg: £454 GBP|+0.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 5, 2026
Retailer 6£308 GBP
Retailer 4£311 GBP
Retailer 2£317 GBP
Retailer 7£357 GBP
Retailer 5£415 GBP
Retailer 3£528 GBP
Retailer 8£606 GBP
MOH London£825 GBP

38 data points across 8 retailers

8 retailers£308 GBP to £825 GBP

A
Cheapest Retailer
-
£308 GBP
Retailer 2
-
£311 GBP
View
Price last confirmed 10 days ago
A
Retailer 3
-
£317 GBP
View
A
Retailer 4
-
£357 GBP
View
B+
Retailer 5
-
£415 GBP
View
B+
Retailer 6
-
£528 GBP
View
B+
Retailer 7
-
£606 GBP
View
Most Expensive
B
MOH London
LG786679953 · Nov 2
£825 GBP
View
7 more retailers have this diamond
Prices start from £308 GBPSave up to £516 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
1.23ct Marquise
£308 GBP