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Radiant|Lab Grown|IGI

1.23ct G VS2 Radiant Lab Grown Diamond

ID • G/VS2 • IGI LG607388601

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

Certificate IGI LG607388601

Diamond specifications and retailer prices

From £444 GBP
As of November 2, 2026
1 retailer carries this diamond
Only listing: £444 GBP at Diamond Quarter
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Diamond Quarter

About this 1.23ct lab-grown radiant diamond

This 1.23ct lab-grown radiant sits in the classic one-carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG607388601 or 607388601. Listed at a single retailer as of November 2, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
G
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47°
Pavilion angle33.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG607388601
Dimensions7.71 × 5.17 × 3.48 mm
L/W Ratio1.49
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.71 mm5.17 mm1.23 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG607388601
Side View
Table 66.0%Crown 47°Girdle: MediumPavilion 33.5°Culet: NoneDepth 67.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 2
Current: £559 GBP|Low: £92 GBP|High: £902 GBP|Avg: £418 GBP|-38.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
September 26, 2026
Retailer 3£221 GBP
Retailer 4£250 GBP
Retailer 2£334 GBP
Retailer 8£382 GBP
Retailer 6£428 GBP
Retailer 5£456 GBP
Retailer 7£499 GBP
Retailer 1£559 GBP

76 data points across 8 retailers

1 retailer

B+
Diamond Quarter
1.23VS2GLG010197N · Nov 2
£444 GBP
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B+
1.23ct Radiant
£444 GBP