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Radiant|Lab Grown|IGI

1.23ct F VS2 Radiant Lab Grown Diamond

ID • F/VS2

Diamond specifications and retailer prices

From £135 GBP
As of November 4, 2026
Save £543 GBP (80%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £678 GBP at The Diamond Guys · As of November 5, 2026
View at The Diamond Guys

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. Listed at 8 retailers as of November 4, 2026, with prices from £135 to £678, a £543 spread on the same certified stone. The Diamond Guys lists it at £678. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions7.60 × 5.27 × 3.49 mm
L/W Ratio1.44
Top View
7.60 mm5.27 mm1.23 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 64.0%CrownGirdle: MediumPavilionCulet: NoneDepth 66.2%

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: £236 GBP|Low: £124 GBP|High: £714 GBP|Avg: £318 GBP|+7.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
The Diamond Guys
November 2, 2026
Retailer 4£135 GBP
Retailer 3£156 GBP
Retailer 1£236 GBP
Retailer 5£253 GBP
Retailer 7£464 GBP
Retailer 2£512 GBP
Retailer 6£593 GBP
The Diamond Guys£678 GBP

40 data points across 8 retailers

8 retailers£135 GBP to £678 GBP

A
Cheapest Retailer
-
£135 GBP
A
Retailer 2
-
£156 GBP
View
A
Retailer 3
-
£236 GBP
View
A
Retailer 4
-
£253 GBP
View
Retailer 5
-
£464 GBP
View
Price last confirmed 14 days ago
B
Retailer 6
-
£512 GBP
View
B
Retailer 7
-
£593 GBP
View
Most Expensive
B
The Diamond Guys
1996214205 · Nov 5
£678 GBP
$915 USD
View
7 more retailers have this diamond
Prices start from £135 GBPSave up to £543 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
£135 GBP