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Radiant|Lab Grown|IGI

1.23ct G VVS2 Radiant Lab Grown Diamond

EX • G/VVS2 • IGI LG529267495

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

Certificate IGI LG529267495

Diamond specifications and retailer prices

From £148 GBP
As of November 4, 2026
Save £649 GBP (81%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £797 GBP at Michael Trio · As of November 3, 2026
View at Michael Trio

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 VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG529267495 or 529267495. Listed at 5 retailers as of November 3, 2026, with prices from £148 to £797, a £649 spread on the same certified stone. Michael Trio lists it at £797. 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
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.9°
Pavilion angle34.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG529267495
Dimensions7.85 × 5.34 × 3.52 mm
L/W Ratio1.47
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
7.85 mm5.34 mm1.23 ctG / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG529267495
Side View
Table 63.0%Crown 38.9°Girdle: Slightly ThickPavilion 34.1°Culet: NoneDepth 65.9%

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: £797 GBP|Low: £148 GBP|High: £797 GBP|Avg: £379 GBP|+7.6%
Michael Trio
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 29, 2026
Retailer 4£148 GBP
Retailer 3£275 GBP
Retailer 2£279 GBP
Retailer 5£436 GBP
Michael Trio£797 GBP

2 data points across 5 retailers

5 retailers£148 GBP to £797 GBP

A
Cheapest Retailer
-
£148 GBP
Final sale: no returns
A
Retailer 2
-
£275 GBP
View
A
Retailer 3
-
£279 GBP
View
B+
Retailer 4
-
£577 GBP
View
Most Expensive
B
Michael Trio
1639738870 · Nov 3
£797 GBP
SGD 1,454 SGD
View
4 more retailers have this diamond
Prices start from £148 GBPSave up to £649 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
£148 GBP