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Round|Natural|GIA

1.03ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 2477931156

Certificate GIA 2477931156

Diamond specifications and retailer prices

From $4,745 AUD
As of November 4, 2026
Save $5,534 AUD (54%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $10,279 AUD at NZ Jewellers · As of November 5, 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2477931156. Listed at 16 retailers as of November 4, 2026, with prices from $4,745 to $10,279, a $5,534 spread on the same certified stone. NZ Jewellers lists it at $10,279. 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
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2477931156
Dimensions6.50 × 6.47 × 4.02 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Top View
6.50 mm6.47 mm1.03 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2477931156
Side View
Table 57.0%Crown 36°Girdle: THN-MEDPavilion 41°Culet: NoneDepth 62.0%

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 4
Current: $5,645 AUD|Low: $4,850 AUD|High: $9,987 AUD|Avg: $6,415 AUD|-1.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 6$4,850 AUD
Retailer 7$4,934 AUD
Retailer 1$5,645 AUD
Retailer 2$5,904 AUD
Retailer 8$6,325 AUD
Retailer 3$6,624 AUD
Retailer 4$7,202 AUD
Retailer 5$9,841 AUD

36 data points across 8 retailers

16 retailers$4,745 AUD to $10,279 AUD

B+
Cheapest Retailer
-
$4,745 AUD
B+
Retailer 2
-
$4,850 AUD
View
B+
Retailer 3
-
$4,934 AUD
View
Final sale: no returns
B+
Retailer 4
-
$5,121 AUD
View
Retailer 5
-
$5,345 AUD
View
Price last confirmed 8 days ago
B
Retailer 6
-
$5,345 AUD
View
B
Retailer 7
-
$5,551 AUD
View
B+
Retailer 8
-
$5,645 AUD
View
B
Retailer 9
-
$5,904 AUD
View
B
Retailer 10
-
$6,168 AUD
View
Retailer 11
-
$6,325 AUD
View
Price last confirmed 33 days ago
B
Retailer 12
-
$6,624 AUD
View
Retailer 13
-
$6,678 AUD
View
Price last confirmed 14 days ago
B
Retailer 14
-
$7,202 AUD
View
B
Retailer 15
-
$9,841 AUD
View
Most Expensive
B
NZ Jewellers
1de9a972-c0cf-4415-9d8b-f6fada7927d6 · Nov 5
$10,279 AUD
$7,196 USD
View
15 more retailers have this diamond
Prices start from $4,745 AUDSave up to $5,534 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
$4,745 AUD