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Radiant|Lab Grown|IGI

4.02ct F SI1 Radiant Lab Grown Diamond

ID • F/SI1 • IGI LG646452724

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

Certificate IGI LG646452724

Diamond specifications and retailer prices

From €1,357 EUR
£1,198 GBP
As of November 2, 2026
Save €3,110 EUR (70%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: €4,467 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 4.02ct lab-grown radiant diamond

This 4.02ct lab-grown radiant sits in the three to five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG646452724 or 646452724. Listed at 2 retailers as of October 31, 2026, with prices from €1,357 to €4,467, a €3,110 spread on the same certified stone. Brilliant Earth lists it at €4,467. 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

4.02
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.6°
Pavilion angle35.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG646452724
Dimensions11.19 × 8.04 × 5.26 mm
L/W Ratio1.39
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.19 mm8.04 mm4.02 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG646452724
Side View
Table 68.0%Crown 44.6°Girdle: MediumPavilion 35.9°Culet: NoneDepth 65.4%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 2
Current: €4,467 EUR|Low: €4,467 EUR|High: €4,467 EUR|Avg: €4,467 EUR
December 28, 2025
Brilliant Earth€4,467 EUR

3 data points across 1 retailer

2 retailers€1,357 EUR to €4,467 EUR

B+
Cheapest Retailer
-
€1,357 EUR
£1,198 GBP
Most Expensive
B
Brilliant Earth
15140452A · Oct 31
€4,467 EUR
$5,010 USD
View
1 more retailer has this diamond
Prices start from €1,357 EURSave up to €3,110 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.

B+
4.02ct Radiant
€1,357 EUR