Round|Lab Grown|IGI

3.03ct E SI1 Round Lab Grown Diamond

EX • E/SI1 • IGI LG830683594

Shape and cutting style on the report: Round brilliant

Certificate IGI LG830683594

Diamond specifications and retailer prices

From $339 USD
As of November 5, 2026
Save $1,911 USD (85%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,250 USD at Brilliant Earth · As of November 5, 2026
View at Brilliant Earth

About this 3.03ct lab-grown round diamond

This 3.03ct lab-grown round 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 LG830683594 or 830683594. Listed at 15 retailers as of November 5, 2026, with prices from $339 to $2,250, a $1,911 spread on the same certified stone. Brilliant Earth lists it at $2,250. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.6°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830683594
Dimensions9.45 × 9.39 × 5.61 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.45 mm9.39 mm3.03 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830683594
Side View
Table 60.0%Crown 32.6°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 59.6%

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 5
Current: $2,250 USD|Low: $331 USD|High: $2,280 USD|Avg: $905 USD|+1.8%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 6, 2026
Retailer 5$339 USD
Retailer 6$393 USD
Retailer 3$420 USD
Retailer 12$420 USD
Retailer 13$473 USD
Retailer 4$565 USD
Retailer 11$575 USD
Retailer 9$664 USD
Retailer 2$744 USD
Retailer 14$921 USD
Retailer 10$981 USD
Retailer 15$1,351 USD
Retailer 7$1,366 USD
Retailer 8$1,680 USD
Brilliant Earth$2,250 USD

46 data points across 15 retailers

15 retailers$339 USD to $2,250 USD

A
Cheapest Retailer
-
$339 USD
A
Retailer 2
-
$393 USD
View
A
Retailer 3
-
$420 USD
View
Retailer 4
-
$420 USD
View
Price last confirmed 12 days ago
A
Retailer 5
-
$473 USD
View
B+
Retailer 6
-
$565 USD
View
A
Retailer 7
-
$575 USD
View
A
Retailer 8
-
$664 USD
View
A
Retailer 9
-
$744 USD
View
B+
Retailer 10
-
$921 USD
View
A
Retailer 11
-
$981 USD
View
B+
Retailer 12
-
$1,351 USD
View
B
Retailer 13
-
$1,366 USD
View
B
Retailer 14
-
$1,680 USD
View
Most Expensive
B
Brilliant Earth
21454713A · Nov 5
$2,250 USD
View
14 more retailers have this diamond
Prices start from $339 USDSave up to $1,911 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 Round
$339 USD