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Radiant|Lab Grown|IGI

3.03ct E SI1 Radiant Lab Grown Diamond

ID • E/SI1 • IGI LG841643745

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

Certificate IGI LG841643745

Diamond specifications and retailer prices

From €302 EUR
As of November 6, 2026
Save €3,800 EUR (93%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €4,102 EUR at Brilliant Earth · As of November 5, 2026
View at Brilliant Earth

About this 3.03ct lab-grown radiant diamond

This 3.03ct lab-grown radiant sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG841643745 or 841643745. Listed at 13 retailers as of November 5, 2026, with prices from €302 to €4,102, a €3,800 spread on the same certified stone. Brilliant Earth lists it at €4,102. 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

3.03
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.8°
Pavilion angle33.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841643745
Dimensions9.88 × 7.21 × 4.81 mm
L/W Ratio1.37
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.88 mm7.21 mm3.03 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841643745
Side View
Table 64.0%Crown 46.8°Girdle: ThickPavilion 33.8°Culet: NoneDepth 66.7%

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 6
Current: €4,102 EUR|Low: €302 EUR|High: €4,102 EUR|Avg: €1,163 EUR
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 3€302 EUR
Retailer 4€314 EUR
Retailer 5€408 EUR
Retailer 12€452 EUR
Retailer 9€475 EUR
Retailer 6€590 EUR
Retailer 2€661 EUR
Retailer 11€865 EUR
Retailer 10€882 EUR
Retailer 8€1,121 EUR
Retailer 7€1,342 EUR
Brilliant Earth€4,102 EUR

38 data points across 12 retailers

13 retailers€302 EUR to €4,102 EUR

A
Cheapest Retailer
-
€302 EUR
Final sale: no returns
A
Retailer 2
-
€314 EUR
View
A
Retailer 3
-
€408 EUR
View
B+
Retailer 4
-
€452 EUR
View
A
Retailer 5
-
€475 EUR
View
A
Retailer 6
-
€590 EUR
View
A
Retailer 7
-
€661 EUR
View
A
Retailer 8
-
€865 EUR
View
A
Retailer 9
-
€882 EUR
View
B+
Retailer 10
-
€1,121 EUR
View
B+
Retailer 11
-
€1,342 EUR
View
Retailer 12
-
€1,854 EUR
View
Price last confirmed 38 days ago
Most Expensive
B
Brilliant Earth
21666320A · Nov 5
€4,102 EUR
$4,580 USD
View
12 more retailers have this diamond
Prices start from €302 EURSave up to €3,800 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
3.03ct Radiant
€302 EUR