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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 $484 AUD
As of November 5, 2026
Save $2,730 AUD (85%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $3,214 AUD 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 $484 to $3,214, a $2,730 spread on the same certified stone. Brilliant Earth lists it at $3,214. 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 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: $3,214 AUD|Low: $473 AUD|High: $3,257 AUD|Avg: $1,293 AUD|+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$484 AUD
Retailer 6$561 AUD
Retailer 3$600 AUD
Retailer 12$600 AUD
Retailer 13$676 AUD
Retailer 4$807 AUD
Retailer 11$821 AUD
Retailer 9$949 AUD
Retailer 2$1,063 AUD
Retailer 14$1,316 AUD
Retailer 10$1,401 AUD
Retailer 15$1,930 AUD
Retailer 7$1,951 AUD
Retailer 8$2,400 AUD
Brilliant Earth$3,214 AUD

46 data points across 15 retailers

15 retailers$484 AUD to $3,214 AUD

A
Cheapest Retailer
-
$484 AUD
A
Retailer 2
-
$561 AUD
View
A
Retailer 3
-
$600 AUD
View
Retailer 4
-
$600 AUD
View
Price last confirmed 12 days ago
A
Retailer 5
-
$676 AUD
View
B+
Retailer 6
-
$807 AUD
View
A
Retailer 7
-
$821 AUD
View
A
Retailer 8
-
$949 AUD
View
A
Retailer 9
-
$1,063 AUD
View
B+
Retailer 10
-
$1,316 AUD
View
A
Retailer 11
-
$1,401 AUD
View
B+
Retailer 12
-
$1,930 AUD
View
B
Retailer 13
-
$1,951 AUD
View
B
Retailer 14
-
$2,400 AUD
View
Most Expensive
B
Brilliant Earth
21454713A · Nov 5
$3,214 AUD
$2,250 USD
View
14 more retailers have this diamond
Prices start from $484 AUDSave up to $2,730 AUD

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
$484 AUD