Round|Natural|GIA

1.03ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 1323995271

Certificate GIA 1323995271

Diamond specifications and retailer prices

From $2,176 AUD
As of November 6, 2026
Save $3,930 AUD (64%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $6,105 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 J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1323995271. Listed at 19 retailers as of November 5, 2026, with prices from $2,176 to $6,105, a $3,930 spread on the same certified stone. NZ Jewellers lists it at $6,105. 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
J
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1323995271
Dimensions6.44 × 6.42 × 4.04 mm
L/W Ratio1.00
Key to symbols
Crystal, Feather, Needle
Top View
6.44 mm6.42 mm1.03 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1323995271
Side View
Table 58.0%CrownGirdle: Sli. ThickPavilionCulet: NoneDepth 62.8%

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 6
Current: $6,105 AUD|Low: $2,103 AUD|High: $6,983 AUD|Avg: $3,210 AUD|-12.6%
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
Retailer 19
Retailer 20
November 6, 2026
Retailer 18$2,176 AUD
Retailer 19$2,343 AUD
Retailer 6$2,638 AUD
Retailer 12$2,653 AUD
Retailer 20$2,696 AUD
Retailer 2$2,756 AUD
Retailer 10$2,797 AUD
Retailer 9$2,914 AUD
Retailer 4$2,921 AUD
Retailer 11$2,921 AUD
Retailer 8$2,964 AUD
Retailer 13$3,013 AUD
Retailer 7$3,056 AUD
Retailer 3$3,117 AUD
Retailer 14$3,136 AUD
Retailer 5$3,370 AUD
Retailer 16$3,564 AUD
Retailer 15$3,956 AUD
Retailer 17$5,103 AUD
NZ Jewellers$6,105 AUD

33 data points across 20 retailers

19 retailers$2,176 AUD to $6,105 AUD

A
Cheapest Retailer
-
$2,176 AUD
A
Retailer 2
-
$2,343 AUD
View
B+
Retailer 3
-
$2,638 AUD
View
B+
Retailer 4
-
$2,696 AUD
View
Final sale: no returns
B+
Retailer 5
-
$2,756 AUD
View
B+
Retailer 6
-
$2,797 AUD
View
B+
Retailer 7
-
$2,914 AUD
View
Retailer 8
-
$2,921 AUD
View
Price last confirmed 8 days ago
B+
Retailer 9
-
$2,921 AUD
View
B+
Retailer 10
-
$2,964 AUD
View
B+
Retailer 11
-
$3,013 AUD
View
B+
Retailer 12
-
$3,056 AUD
View
B+
Retailer 13
-
$3,117 AUD
View
B+
Retailer 14
-
$3,136 AUD
View
B
Retailer 15
-
$3,370 AUD
View
B
Retailer 16
-
$3,564 AUD
View
B
Retailer 17
-
$3,956 AUD
View
B
Retailer 18
-
$5,103 AUD
View
Most Expensive
B
NZ Jewellers
e7877a19-59e1-48f1-b0cc-a4a31e5e3b8e · Nov 5
$6,105 AUD
$4,274 USD
View
18 more retailers have this diamond
Prices start from $2,176 AUDSave up to $3,930 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
$2,176 AUD