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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 $603 NZD
As of November 5, 2026
Save $3,399 NZD (85%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $4,003 NZD 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 $603 to $4,003, a $3,399 spread on the same certified stone. Brilliant Earth lists it at $4,003. 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

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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 5
Current: $4,003 NZD|Low: $589 NZD|High: $4,056 NZD|Avg: $1,610 NZD|+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$603 NZD
Retailer 6$699 NZD
Retailer 3$747 NZD
Retailer 12$747 NZD
Retailer 13$841 NZD
Retailer 4$1,005 NZD
Retailer 11$1,023 NZD
Retailer 9$1,181 NZD
Retailer 2$1,324 NZD
Retailer 14$1,638 NZD
Retailer 10$1,745 NZD
Retailer 15$2,403 NZD
Retailer 7$2,430 NZD
Retailer 8$2,989 NZD
Brilliant Earth$4,003 NZD

46 data points across 15 retailers

15 retailers$603 NZD to $4,003 NZD

A
Cheapest Retailer
-
$603 NZD
A
Retailer 2
-
$699 NZD
View
A
Retailer 3
-
$747 NZD
View
Retailer 4
-
$747 NZD
View
Price last confirmed 12 days ago
A
Retailer 5
-
$841 NZD
View
B+
Retailer 6
-
$1,005 NZD
View
A
Retailer 7
-
$1,023 NZD
View
A
Retailer 8
-
$1,181 NZD
View
A
Retailer 9
-
$1,324 NZD
View
B+
Retailer 10
-
$1,638 NZD
View
A
Retailer 11
-
$1,745 NZD
View
B+
Retailer 12
-
$2,403 NZD
View
B
Retailer 13
-
$2,430 NZD
View
B
Retailer 14
-
$2,989 NZD
View
Most Expensive
B
Brilliant Earth
21454713A · Nov 5
$4,003 NZD
$2,250 USD
View
14 more retailers have this diamond
Prices start from $603 NZDSave up to $3,399 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.

A
3.03ct Round
$603 NZD