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Round|Natural|GIA

1.03ct F SI2 Round Natural Diamond

GD • F/SI2 • GIA 6291496559

Certificate GIA 6291496559

Diamond specifications and retailer prices

From $4,034 AUD
As of November 6, 2026
Save $6,405 AUD (61%) vs most expensive(unlock to see where)
13 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 standard cut grade and certified by GIA 6291496559. Listed at 13 retailers as of November 6, 2026, with prices from $4,034 to $10,439, a $6,405 spread on the same certified stone. Diamond Quarter lists it at $10,439. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.03
Carat
F
Colour
SI2
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.5°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 6291496559
Dimensions6.22 × 6.19 × 4.09 mm
L/W Ratio1.00
Star length55%
Lower girdle75%
Top View
6.22 mm6.19 mm1.03 ctF / SI2
OriginNatural
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6291496559
Side View
Table 63.0%Crown 38.5°Girdle: THK-VTKPavilion 41.8°Culet: NoneDepth 65.9%

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: $5,113 AUD|Low: $4,034 AUD|High: $8,663 AUD|Avg: $5,485 AUD|+1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 9$4,034 AUD
Retailer 7$4,082 AUD
Retailer 8$4,269 AUD
Retailer 3$4,504 AUD
Retailer 12$4,504 AUD
Retailer 10$4,678 AUD
Retailer 1$5,113 AUD
Retailer 2$5,197 AUD
Retailer 4$5,635 AUD
Retailer 5$5,774 AUD
Retailer 6$8,291 AUD
Retailer 11$8,663 AUD

43 data points across 12 retailers

13 retailers$4,034 AUD to $10,439 AUD

B+
Cheapest Retailer
-
$4,034 AUD
B+
Retailer 2
-
$4,082 AUD
View
B+
Retailer 3
-
$4,269 AUD
View
B+
Retailer 4
-
$4,504 AUD
View
Retailer 5
-
$4,504 AUD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$4,678 AUD
View
B
Retailer 7
-
$5,113 AUD
View
B
Retailer 8
-
$5,197 AUD
View
Retailer 9
-
$5,635 AUD
View
Price last confirmed 14 days ago
B
Retailer 10
-
$5,774 AUD
View
B
Retailer 11
-
$8,291 AUD
View
C
Retailer 12
-
$8,663 AUD
View
Most Expensive
C
Diamond Quarter
1.03SI2F62599220N · Nov 6
$10,439 AUD
£5,648 GBP
View
12 more retailers have this diamond
Prices start from $4,034 AUDSave up to $6,405 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
$4,034 AUD