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Radiant|Lab Grown|IGI

1.23ct F VS2 Radiant Lab Grown Diamond

EX • F/VS2 • IGI LG745518364

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG745518364

Diamond specifications and retailer prices

From £138 GBP
As of November 4, 2026
Save £663 GBP (83%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £801 GBP at MOH London · As of November 2, 2026
View at MOH London

About this 1.23ct lab-grown radiant diamond

This 1.23ct lab-grown radiant 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 LG745518364 or 745518364. Listed at 18 retailers as of November 2, 2026, with prices from £138 to £801, a £663 spread on the same certified stone. MOH London lists it at £801. 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
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle23.5°
Pavilion angle34.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG745518364
Dimensions7.97 × 5.35 × 3.43 mm
L/W Ratio1.49
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.97 mm5.35 mm1.23 ctF / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG745518364
Side View
Table 70.0%Crown 23.5°Girdle: MediumPavilion 34.9°Culet: NoneDepth 64.1%

Caratlytics Score

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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: £801 GBP|Low: £133 GBP|High: £810 GBP|Avg: £357 GBP|-1.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 5, 2026
Retailer 13£138 GBP
Retailer 4£160 GBP
Retailer 6£171 GBP
Retailer 14£171 GBP
Retailer 7£219 GBP
Retailer 3£301 GBP
Retailer 2£307 GBP
Retailer 9£320 GBP
Retailer 5£341 GBP
Retailer 8£393 GBP
Retailer 11£481 GBP
Retailer 10£533 GBP
Retailer 12£552 GBP
MOH London£801 GBP

42 data points across 14 retailers

18 retailers£138 GBP to £801 GBP

A
Cheapest Retailer
-
£138 GBP
A
Retailer 2
-
£160 GBP
View
Retailer 3
-
£171 GBP
View
Price last confirmed 11 days ago
A
Retailer 4
-
£171 GBP
View
A
Retailer 5
-
£219 GBP
View
A
Retailer 6
-
£301 GBP
View
A
Retailer 7
-
£307 GBP
View
A
Retailer 8
-
£320 GBP
View
A
Retailer 9
-
£341 GBP
View
A
Retailer 10
-
£354 GBP
View
B+
Retailer 11
-
£393 GBP
View
Retailer 12
-
£481 GBP
View
Price last confirmed 8 days ago
B+
Retailer 13
-
£533 GBP
View
B+
Retailer 14
-
£550 GBP
View
B
Retailer 15
-
£552 GBP
View
B
Retailer 16
-
£585 GBP
View
Retailer 17
-
£590 GBP
View
Price last confirmed 18 days ago
Most Expensive
B
MOH London
LG745518364 · Nov 2
£801 GBP
View
17 more retailers have this diamond
Prices start from £138 GBPSave up to £663 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 Radiant
£138 GBP