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Round|Natural|GIA

1.03ct F SI2 Round Natural Diamond

EX • F/SI2 • GIA 5566677083

Certificate GIA 5566677083

Diamond specifications and retailer prices

From $2,831 AUD
As of November 1, 2026
Save $3,772 AUD (57%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $7,880 AUD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

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 5566677083. Listed at 17 retailers as of November 1, 2026, with a 133% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle35.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 5566677083
Dimensions6.45 × 6.49 × 3.99 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Needle
Top View
6.45 mm6.49 mm1.03 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5566677083
Side View
Table 59.0%Crown 35.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 61.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $7,880 AUD|Low: $2,812 AUD|High: $7,880 AUD|Avg: $4,292 AUD
NZ Jewellers
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
Retailer 17
Retailer 18
November 2, 2026
Retailer 16$2,831 AUD
Retailer 13$2,975 AUD
Retailer 2$3,426 AUD
Retailer 14$3,464 AUD
Retailer 10$3,478 AUD
Retailer 7$3,516 AUD
Retailer 4$3,769 AUD
Retailer 18$3,769 AUD
Retailer 8$3,857 AUD
Retailer 9$3,941 AUD
Retailer 3$3,943 AUD
Retailer 6$3,973 AUD
Retailer 11$4,004 AUD
Retailer 17$4,349 AUD
Retailer 12$4,686 AUD
Retailer 15$6,603 AUD
Retailer 5$7,014 AUD
NZ Jewellers$7,880 AUD

11 data points across 18 retailers

17 retailers$2,831 AUD to $6,603 AUD

A
Cheapest Retailer
-
$2,831 AUD
A
Retailer 2
-
$2,975 AUD
View
A
Retailer 3
-
$3,426 AUD
View
A
Retailer 4
-
$3,464 AUD
View
A
Retailer 5
-
$3,516 AUD
View
Retailer 6
-
$3,769 AUD
View
Price last confirmed 8 days ago
A
Retailer 7
-
$3,769 AUD
View
A
Retailer 8
-
$3,857 AUD
View
Retailer 9
-
$3,941 AUD
View
Price last confirmed 11 days ago
A
Retailer 10
-
$3,943 AUD
View
B+
Retailer 11
-
$3,973 AUD
View
B+
Retailer 12
-
$4,004 AUD
View
B+
Retailer 13
-
$4,349 AUD
View
B+
Retailer 14
-
$4,686 AUD
View
B
Retailer 15
-
$6,603 AUD
View
Retailer 16
-
$7,014 AUD
View
Price last confirmed 9 days ago
Most Expensive
NZ Jewellers
368f4929-beb8-45a7-a59c-13c6aee169f1 · Oct 30
$7,880 AUD
$5,414 USD
View
Price last confirmed 7 days ago
16 more retailers have this diamond
Prices start from $2,831 AUDSave up to $3,772 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
1.03ct Round
$2,831 AUD