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Radiant|Lab Grown|IGI

3.05ct E SI1 Radiant Lab Grown Diamond

ID • E/SI1 • IGI LG644443640

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

Certificate IGI LG644443640

Diamond specifications and retailer prices

From $1,805 CAD
As of November 5, 2026
2 retailers carry this diamond
Most expensive: $4,065 CAD at Rare Carat · As of December 10, 2025
View at Rare Carat

About this 3.05ct lab-grown radiant diamond

This 3.05ct 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 LG644443640 or 644443640. Listed at 2 retailers as of November 5, 2026. 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

3.05
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.3°
Pavilion angle35.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG644443640
Dimensions10.24 × 7.22 × 4.87 mm
L/W Ratio1.42
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.24 mm7.22 mm3.05 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG644443640
Side View
Table 67.0%Crown 45.3°Girdle: MediumPavilion 35.2°Culet: NoneDepth 67.5%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 5
Current: $4,065 CAD|Low: $646 CAD|High: $7,328 CAD|Avg: $2,817 CAD
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
March 23, 2026
Retailer 2$650 CAD
Retailer 4$834 CAD
Retailer 5$1,153 CAD
Retailer 6$1,196 CAD
Retailer 7$1,468 CAD
Retailer 3$1,760 CAD
Rare Carat$4,065 CAD
Retailer 8$6,203 CAD

46 data points across 8 retailers

2 retailers

B+
Cheapest Retailer
-
$1,805 CAD
Most Expensive
Rare Carat
644443640 · Dec 10
$4,065 CAD
$2,890 USD
View
Price last confirmed 331 days ago
1 more retailer has this diamond
Prices start from $1,805 CAD

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+
3.05ct Radiant
$1,805 CAD