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Radiant|Lab Grown|IGI

3.03ct E SI1 Radiant Lab Grown Diamond

EX • E/SI1 • IGI LG667457685

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

Certificate IGI LG667457685

Diamond specifications and retailer prices

From $2,300 NZD
As of November 5, 2026
2 retailers carry this diamond
Most expensive: $5,217 NZD at Rare Carat · As of December 10, 2025
View at Rare Carat

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 LG667457685 or 667457685. 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

3.03
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.6°
Pavilion angle34.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG667457685
Dimensions10.30 × 7.08 × 4.70 mm
L/W Ratio1.45
Girdle conditionFaceted
Top View
10.30 mm7.08 mm3.03 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG667457685
Side View
Table 67.0%Crown 44.6°Girdle: MediumPavilion 34.2°Culet: NoneDepth 66.4%

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: $5,217 NZD|Low: $824 NZD|High: $5,217 NZD|Avg: $2,447 NZD
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
March 23, 2026
Retailer 2$826 NZD
Retailer 6$1,073 NZD
Retailer 4$1,470 NZD
Retailer 5$1,524 NZD
Retailer 7$1,871 NZD
Retailer 3$2,230 NZD
Rare Carat$5,217 NZD

43 data points across 7 retailers

2 retailers

B+
Cheapest Retailer
-
$2,300 NZD
Most Expensive
Rare Carat
667457685 · Dec 10
$5,217 NZD
$2,892 USD
View
Price last confirmed 331 days ago
1 more retailer has this diamond
Prices start from $2,300 NZD

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+
3.03ct Radiant
$2,300 NZD