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 $337 USD
As of November 6, 2026
Save $4,243 USD (93%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $4,580 USD 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 $337 to $4,580, a $4,243 spread on the same certified stone. Brilliant Earth lists it at $4,580. 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
Color
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

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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: $4,580 USD|Low: $337 USD|High: $4,580 USD|Avg: $1,299 USD
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$337 USD
Retailer 4$351 USD
Retailer 5$456 USD
Retailer 12$505 USD
Retailer 9$530 USD
Retailer 6$659 USD
Retailer 2$738 USD
Retailer 11$966 USD
Retailer 10$985 USD
Retailer 8$1,252 USD
Retailer 7$1,498 USD
Brilliant Earth$4,580 USD

38 data points across 12 retailers

13 retailers$337 USD to $4,580 USD

A
Cheapest Retailer
-
$337 USD
Final sale: no returns
A
Retailer 2
-
$351 USD
View
A
Retailer 3
-
$456 USD
View
B+
Retailer 4
-
$505 USD
View
A
Retailer 5
-
$530 USD
View
A
Retailer 6
-
$659 USD
View
A
Retailer 7
-
$738 USD
View
A
Retailer 8
-
$966 USD
View
A
Retailer 9
-
$985 USD
View
B+
Retailer 10
-
$1,252 USD
View
B+
Retailer 11
-
$1,498 USD
View
Retailer 12
-
$2,070 USD
View
Price last confirmed 38 days ago
Most Expensive
B
Brilliant Earth
21666320A · Nov 5
$4,580 USD
View
12 more retailers have this diamond
Prices start from $337 USDSave up to $4,243 USD

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
$337 USD