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Oval|Lab Grown|IGI

3.03ct D SI1 Oval Lab Grown Diamond

ID • D/SI1 • IGI LG678584074

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG678584074

Diamond specifications and retailer prices

From $653 AUD
As of November 6, 2026
Save $3,349 AUD (84%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $4,002 AUD at Brilliant Earth · As of November 6, 2026
View at Brilliant Earth

About this 3.03ct lab-grown oval diamond

This 3.03ct lab-grown oval sits in the three to five carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG678584074 or 678584074. Listed at 19 retailers as of November 6, 2026, with prices from $653 to $4,002, a $3,349 spread on the same certified stone. Brilliant Earth lists it at $4,002. 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
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG678584074
Dimensions11.21 × 8.30 × 5.13 mm
L/W Ratio1.35
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.21 mm8.30 mm3.03 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG678584074
Side View
Table 61.0%Crown 34.5°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 61.8%

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 6
Current: $4,002 AUD|Low: $633 AUD|High: $4,235 AUD|Avg: $1,783 AUD|-5.5%
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
Retailer 16
November 6, 2026
Retailer 8$653 AUD
Retailer 6$732 AUD
Retailer 7$751 AUD
Retailer 14$809 AUD
Retailer 4$1,019 AUD
Retailer 16$1,077 AUD
Retailer 9$1,097 AUD
Retailer 15$1,244 AUD
Retailer 2$1,266 AUD
Retailer 10$1,326 AUD
Retailer 12$2,177 AUD
Retailer 5$2,233 AUD
Retailer 3$2,604 AUD
Retailer 11$2,904 AUD
Retailer 13$2,975 AUD
Brilliant Earth$4,002 AUD

41 data points across 16 retailers

19 retailers$653 AUD to $4,002 AUD

A
Cheapest Retailer
-
$653 AUD
A
Retailer 2
-
$732 AUD
View
A
Retailer 3
-
$751 AUD
View
Final sale: no returns
A
Retailer 4
-
$809 AUD
View
Retailer 5
-
$818 AUD
View
Price last confirmed 21 days ago
A
Retailer 6
-
$1,019 AUD
View
B+
Retailer 7
-
$1,077 AUD
View
A
Retailer 8
-
$1,097 AUD
View
A
Retailer 9
-
$1,244 AUD
View
A
Retailer 10
-
$1,266 AUD
View
A
Retailer 11
-
$1,326 AUD
View
B+
Retailer 12
-
$1,965 AUD
View
B+
Retailer 13
-
$2,177 AUD
View
B+
Retailer 14
-
$2,233 AUD
View
B+
Retailer 15
-
$2,604 AUD
View
B
Retailer 16
-
$2,904 AUD
View
B
Retailer 17
-
$2,975 AUD
View
Retailer 18
-
$3,010 AUD
View
Price last confirmed 81 days ago
Most Expensive
B
Brilliant Earth
17471284A · Nov 6
$4,002 AUD
$2,750 USD
View
18 more retailers have this diamond
Prices start from $653 AUDSave up to $3,349 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 Oval
$653 AUD