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1.03ct F SI2 Round Natural Diamond

EX • F/SI2 • GIA 7491801551

Shape and cutting style on the report: Round

Certificate GIA 7491801551

Diamond specifications and retailer prices

From $4,291 AUD
As of November 6, 2026
Save $6,149 AUD (59%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $10,439 AUD at Diamond Quarter · As of November 6, 2026
View at Diamond Quarter

About this 1.03ct natural round diamond

This 1.03ct natural round sits in the classic one-carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7491801551. Listed at 15 retailers as of November 6, 2026, with prices from $4,291 to $10,439, a $6,149 spread on the same certified stone. Diamond Quarter lists it at $10,439. 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

1.03
Carat
F
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 7491801551
Dimensions6.49 × 6.46 × 4.02 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Girdle conditionFaceted
Key to symbols
Cloud, Crystal, Needle
Top View
6.49 mm6.46 mm1.03 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7491801551
Side View
Table 57.0%Crown 35°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $5,487 AUD|Low: $3,717 AUD|High: $9,294 AUD|Avg: $5,958 AUD|+1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 4$4,228 AUD
Retailer 8$4,291 AUD
Retailer 5$4,461 AUD
Retailer 9$4,832 AUD
Retailer 6$5,018 AUD
Retailer 1$5,487 AUD
Retailer 2$6,204 AUD
Retailer 3$8,897 AUD
Retailer 7$9,294 AUD

40 data points across 9 retailers

15 retailers$4,291 AUD to $10,439 AUD

B+
Cheapest Retailer
-
$4,291 AUD
B+
Retailer 2
-
$4,461 AUD
View
Final sale: no returns
Retailer 3
-
$4,832 AUD
View
Price last confirmed 8 days ago
B+
Retailer 4
-
$4,832 AUD
View
B+
Retailer 5
-
$5,018 AUD
View
B+
Retailer 6
-
$5,487 AUD
View
B+
Retailer 7
-
$5,487 AUD
View
B+
Retailer 8
-
$5,487 AUD
View
B+
Retailer 9
-
$5,576 AUD
View
B+
Retailer 10
-
$5,662 AUD
View
Retailer 11
-
$6,041 AUD
View
Price last confirmed 14 days ago
B+
Retailer 12
-
$6,204 AUD
View
B
Retailer 13
-
$8,897 AUD
View
B
Retailer 14
-
$9,294 AUD
View
Most Expensive
B
Diamond Quarter
1.03SI2F74518A09N · Nov 6
$10,439 AUD
£5,648 GBP
View
14 more retailers have this diamond
Prices start from $4,291 AUDSave up to $6,149 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.

B+
1.03ct Round
$4,291 AUD