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Round|Lab Grown|IGI

3.03ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG726536153

Shape and cutting style on the report: Round brilliant

Certificate IGI LG726536153

Diamond specifications and retailer prices

From $421 USD
As of November 5, 2026
Save $3,499 USD (89%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $3,920 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 LG726536153 or 726536153. Listed at 23 retailers as of November 5, 2026, with prices from $421 to $3,920, a $3,499 spread on the same certified stone. Brilliant Earth lists it at $3,920. 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 angle34.1°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG726536153
Dimensions9.32 × 9.39 × 5.66 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.32 mm9.39 mm3.03 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG726536153
Side View
Table 59.0%Crown 34.1°Girdle: MediumPavilion 40.8°Culet: NoneDepth 60.5%

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: $3,920 USD|Low: $417 USD|High: $3,920 USD|Avg: $1,221 USD
Brilliant Earth
Retailer 2
Retailer 3
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Retailer 11
Retailer 12
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Retailer 19
November 5, 2026
Retailer 9$421 USD
Retailer 19$471 USD
Retailer 2$511 USD
Retailer 5$522 USD
Retailer 6$522 USD
Retailer 18$665 USD
Retailer 4$823 USD
Retailer 7$824 USD
Retailer 13$848 USD
Retailer 15$868 USD
Retailer 3$950 USD
Retailer 16$1,227 USD
Retailer 14$1,463 USD
Retailer 10$1,677 USD
Retailer 11$1,710 USD
Retailer 17$1,800 USD
Retailer 8$1,897 USD
Retailer 12$1,911 USD
Brilliant Earth$3,920 USD

41 data points across 19 retailers

23 retailers$421 USD to $3,920 USD

Retailer 1
-
$417 USD
Price last confirmed 45 days ago
A
Retailer 2
-
$421 USD
View
A
Retailer 3
-
$471 USD
View
Retailer 4
-
$510 USD
View
Price last confirmed 45 days ago
A
Retailer 5
-
$511 USD
View
Final sale: no returns
A
Retailer 6
-
$522 USD
View
Retailer 7
-
$522 USD
View
Price last confirmed 12 days ago
A
Retailer 8
-
$665 USD
View
A
Retailer 9
-
$823 USD
View
B+
Retailer 10
-
$824 USD
View
A
Retailer 11
-
$848 USD
View
A
Retailer 12
-
$868 USD
View
A
Retailer 13
-
$950 USD
View
B+
Retailer 14
-
$1,227 USD
View
B+
Retailer 15
-
$1,336 USD
View
B+
Retailer 16
-
$1,463 USD
View
Retailer 17
-
$1,661 USD
View
Price last confirmed 46 days ago
B
Retailer 18
-
$1,677 USD
View
B
Retailer 19
-
$1,710 USD
View
Retailer 20
-
$1,800 USD
View
Price last confirmed 9 days ago
B
Retailer 21
-
$1,897 USD
View
B
Retailer 22
-
$1,911 USD
View
Most Expensive
B
Brilliant Earth
17510639A · Nov 5
$3,920 USD
View
22 more retailers have this diamond
Prices start from $421 USDSave up to $3,499 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
$421 USD