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Round|Natural|IGI

1.02ct J SI2 Round Natural Diamond

EX • J/SI2 • IGI 462152446

Shape and cutting style on the report: Round brilliant

Certificate IGI 462152446

Diamond specifications and retailer prices

From $1,513 AUD
As of October 31, 2026
Save $3,648 AUD (71%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $5,161 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.02ct natural round diamond

This 1.02ct natural round sits in the classic one-carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 462152446. Listed at 12 retailers as of October 31, 2026, with prices from $1,513 to $5,161, a $3,648 spread on the same certified stone. NZ Jewellers lists it at $5,161. 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

1.02
Carat
J
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle41.3°
OriginNatural
Grading LabIGI
CertificateIGI 462152446
Dimensions6.45 × 6.41 × 4.00 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
6.45 mm6.41 mm1.02 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 462152446
Side View
Table 57.5%Crown 34.7°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 62.2%

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: Oct 31
Current: $5,161 AUD|Low: $1,508 AUD|High: $5,161 AUD|Avg: $2,568 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 6$1,513 AUD
Retailer 8$1,953 AUD
Retailer 7$1,986 AUD
Retailer 3$2,116 AUD
Retailer 10$2,116 AUD
Retailer 5$2,120 AUD
Retailer 9$2,214 AUD
Retailer 11$2,441 AUD
Retailer 2$2,600 AUD
Retailer 4$3,697 AUD
NZ Jewellers$5,161 AUD

40 data points across 11 retailers

12 retailers$1,513 AUD to $5,161 AUD

A
Cheapest Retailer
-
$1,513 AUD
A
Retailer 2
-
$1,953 AUD
View
Final sale: no returns
B+
Retailer 3
-
$1,986 AUD
View
Retailer 4
-
$2,116 AUD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
$2,116 AUD
View
A
Retailer 6
-
$2,120 AUD
View
B+
Retailer 7
-
$2,214 AUD
View
B+
Retailer 8
-
$2,310 AUD
View
B+
Retailer 9
-
$2,441 AUD
View
B+
Retailer 10
-
$2,600 AUD
View
B
Retailer 11
-
$3,697 AUD
View
Most Expensive
B
NZ Jewellers
519385db-0116-4237-8da2-37a00eebcad9 · Nov 5
$5,161 AUD
$3,613 USD
View
11 more retailers have this diamond
Prices start from $1,513 AUDSave up to $3,648 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
1.02ct Round
$1,513 AUD