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Oval|Lab Grown|IGI

3.03ct F SI1 Oval Lab Grown Diamond

EX • F/SI1 • IGI LG678584112

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG678584112

Diamond specifications and retailer prices

From $613 AUD
As of November 6, 2026
Save $5,791 AUD (90%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $6,404 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG678584112 or 678584112. Listed at 16 retailers as of November 6, 2026, with prices from $613 to $6,404, a $5,791 spread on the same certified stone. Brilliant Earth lists it at $6,404. 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
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31°
Pavilion angle42.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG678584112
Dimensions11.60 × 8.26 × 5.19 mm
L/W Ratio1.40
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.60 mm8.26 mm3.03 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG678584112
Side View
Table 60.0%Crown 31°Girdle: MED-STKPavilion 42.6°Culet: NoneDepth 62.8%

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 6
Current: $6,404 AUD|Low: $613 AUD|High: $6,404 AUD|Avg: $1,717 AUD
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 7$613 AUD
Retailer 6$687 AUD
Retailer 12$709 AUD
Retailer 13$760 AUD
Retailer 4$975 AUD
Retailer 15$1,022 AUD
Retailer 14$1,199 AUD
Retailer 8$1,240 AUD
Retailer 2$1,271 AUD
Retailer 5$1,501 AUD
Retailer 11$1,844 AUD
Retailer 3$2,445 AUD
Retailer 10$2,707 AUD
Retailer 9$2,784 AUD
Brilliant Earth$6,404 AUD

46 data points across 15 retailers

16 retailers$613 AUD to $6,404 AUD

A
Cheapest Retailer
-
$613 AUD
A
Retailer 2
-
$687 AUD
View
A
Retailer 3
-
$709 AUD
View
Final sale: no returns
A
Retailer 4
-
$760 AUD
View
Retailer 5
-
$793 AUD
View
Price last confirmed 12 days ago
A
Retailer 6
-
$975 AUD
View
B+
Retailer 7
-
$1,022 AUD
View
A
Retailer 8
-
$1,199 AUD
View
A
Retailer 9
-
$1,240 AUD
View
A
Retailer 10
-
$1,271 AUD
View
A
Retailer 11
-
$1,501 AUD
View
B+
Retailer 12
-
$1,844 AUD
View
B+
Retailer 13
-
$2,445 AUD
View
B+
Retailer 14
-
$2,707 AUD
View
B+
Retailer 15
-
$2,784 AUD
View
Most Expensive
B
Brilliant Earth
17470454A · Nov 6
$6,404 AUD
$4,400 USD
View
15 more retailers have this diamond
Prices start from $613 AUDSave up to $5,791 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
$613 AUD