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Radiant|Lab Grown|IGI

1.24ct G SI1 Radiant Lab Grown Diamond

EX • G/SI1 • IGI LG629429903

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

Certificate IGI LG629429903

Diamond specifications and retailer prices

From €380 EUR
£334 GBP
As of October 31, 2026
Save €80 EUR (17%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: €460 EUR at MD Diamonds and Jewellers · As of October 29, 2026
View at MD Diamonds and Jewellers

About this 1.24ct lab-grown radiant diamond

This 1.24ct lab-grown radiant sits in the classic one-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG629429903 or 629429903. Listed at 2 retailers as of October 29, 2026, with prices from €380 to €460, a €80 spread on the same certified stone. MD Diamonds and Jewellers lists it at €460. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.24
Carat
G
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.2°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG629429903
Dimensions7.66 × 5.29 × 3.55 mm
L/W Ratio1.45
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
7.66 mm5.29 mm1.24 ctG / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG629429903
Side View
Table 65.0%Crown 43.2°Girdle: MediumPavilion 35.6°Culet: NoneDepth 67.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: €460 EUR|Low: €380 EUR|High: €460 EUR|Avg: €444 EUR
MD Diamonds and Jewellers
Retailer 2
September 26, 2026
Retailer 2€380 EUR
MD Diamonds and Jewellers€460 EUR

4 data points across 2 retailers

2 retailers€380 EUR to €460 EUR

A
Cheapest Retailer
-
€380 EUR
£334 GBP
Most Expensive
B+
MD Diamonds and Jewellers
LG629429903 · Oct 29
€460 EUR
£405 GBP
View
1 more retailer has this diamond
Prices start from €380 EURSave up to €80 EUR

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
1.24ct Radiant
€380 EUR