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Round|Natural|IGI

1.03ct J SI1 Round Natural Diamond

EX • J/SI1 • IGI 772672908

Shape and cutting style on the report: Round brilliant

Certificate IGI 772672908

Diamond specifications and retailer prices

From $1,768 AUD
As of November 4, 2026
Save $3,974 AUD (69%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $5,743 AUD at NZ Jewellers · As of November 2, 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 IGI 772672908. Listed at 12 retailers as of November 2, 2026, with prices from $1,768 to $5,743, a $3,974 spread on the same certified stone. NZ Jewellers lists it at $5,743. 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
FluorescenceNone
Crown angle36.3°
Pavilion angle40.9°
OriginNatural
Grading LabIGI
CertificateIGI 772672908
Dimensions6.40 × 6.44 × 4.06 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
6.40 mm6.44 mm1.03 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 772672908
Side View
Table 56.0%Crown 36.3°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 63.2%

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 4
Current: $2,711 AUD|Low: $1,766 AUD|High: $4,174 AUD|Avg: $2,600 AUD|-1.4%
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 4, 2026
Retailer 5$1,768 AUD
Retailer 3$2,088 AUD
Retailer 12$2,181 AUD
Retailer 10$2,186 AUD
Retailer 11$2,354 AUD
Retailer 4$2,387 AUD
Retailer 2$2,548 AUD
Retailer 6$2,640 AUD
Retailer 1$2,711 AUD
Retailer 9$2,873 AUD
Retailer 7$3,201 AUD
Retailer 8$4,123 AUD

27 data points across 12 retailers

12 retailers$1,768 AUD to $5,743 AUD

A
Cheapest Retailer
-
$1,768 AUD
A
Retailer 2
-
$2,181 AUD
View
A
Retailer 3
-
$2,186 AUD
View
Retailer 4
-
$2,354 AUD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
$2,548 AUD
View
B+
Retailer 6
-
$2,640 AUD
View
B+
Retailer 7
-
$2,711 AUD
View
B+
Retailer 8
-
$2,716 AUD
View
B+
Retailer 9
-
$2,873 AUD
View
B+
Retailer 10
-
$3,201 AUD
View
B
Retailer 11
-
$4,123 AUD
View
Most Expensive
C
NZ Jewellers
f71f03d1-b2ee-4a47-833a-e6b693c13220 · Nov 2
$5,743 AUD
$4,020 USD
View
11 more retailers have this diamond
Prices start from $1,768 AUDSave up to $3,974 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
$1,768 AUD