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Oval|Lab Grown|IGI

3.03ct F SI1 Oval Lab Grown Diamond

EX • F/SI1 • IGI LG678584091

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG678584091

Diamond specifications and retailer prices

From $621 AUD
As of November 6, 2026
Save $5,782 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 LG678584091 or 678584091. Listed at 16 retailers as of November 6, 2026, with prices from $621 to $6,404, a $5,782 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 angle35.4°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG678584091
Dimensions11.72 × 8.04 × 4.97 mm
L/W Ratio1.46
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.72 mm8.04 mm3.03 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG678584091
Side View
Table 63.0%Crown 35.4°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 61.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: $6,404 AUD|Low: $621 AUD|High: $6,608 AUD|Avg: $2,098 AUD|-3.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 10$621 AUD
Retailer 4$937 AUD
Retailer 2$1,126 AUD
Retailer 11$1,212 AUD
Retailer 8$1,215 AUD
Retailer 5$1,256 AUD
Retailer 3$1,503 AUD
Retailer 9$2,160 AUD
Retailer 7$2,678 AUD
Retailer 6$2,821 AUD
Brilliant Earth$6,404 AUD

40 data points across 11 retailers

16 retailers$621 AUD to $6,404 AUD

Retailer 1
-
$621 AUD
Price last confirmed 38 days ago
A
Retailer 2
-
$621 AUD
View
Retailer 3
-
$621 AUD
View
Price last confirmed 16 days ago
Retailer 4
-
$696 AUD
View
Price last confirmed 41 days ago
Retailer 5
-
$760 AUD
View
Price last confirmed 38 days ago
A
Retailer 6
-
$937 AUD
View
A
Retailer 7
-
$1,126 AUD
View
B+
Retailer 8
-
$1,212 AUD
View
A
Retailer 9
-
$1,215 AUD
View
A
Retailer 10
-
$1,256 AUD
View
A
Retailer 11
-
$1,503 AUD
View
B+
Retailer 12
-
$2,160 AUD
View
Retailer 13
-
$2,474 AUD
View
Price last confirmed 37 days ago
B+
Retailer 14
-
$2,678 AUD
View
B+
Retailer 15
-
$2,821 AUD
View
Most Expensive
B
Brilliant Earth
21567551A · Nov 6
$6,404 AUD
$4,400 USD
View
15 more retailers have this diamond
Prices start from $621 AUDSave up to $5,782 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
$621 AUD