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Round|Natural|IGI

1.23ct J VS1 Round Natural Diamond

EX • J/VS1 • IGI 732588697

Shape and cutting style on the report: Round brilliant

Certificate IGI 732588697

Diamond specifications and retailer prices

From $2,404 AUD
As of November 6, 2026
Save $4,654 AUD (66%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $7,059 AUD at NZ Jewellers · As of November 2, 2026
View at NZ Jewellers

About this 1.23ct natural round diamond

This 1.23ct natural round sits in the classic one-carat band, graded J colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI 732588697. Listed at 11 retailers as of November 2, 2026, with prices from $2,404 to $7,059, a $4,654 spread on the same certified stone. NZ Jewellers lists it at $7,059. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
J
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle32.7°
Pavilion angle40.8°
OriginNatural
Grading LabIGI
CertificateIGI 732588697
Dimensions6.88 × 6.94 × 4.15 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
6.88 mm6.94 mm1.23 ctJ / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateIGI 732588697
Side View
Table 60.0%Crown 32.7°Girdle: MED-STKPavilion 40.8°CuletDepth 60.0%

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: $2,404 AUD|Low: $2,404 AUD|High: $5,130 AUD|Avg: $3,352 AUD|-2.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 1$2,404 AUD
Retailer 7$2,671 AUD
Retailer 2$2,692 AUD
Retailer 8$3,027 AUD
Retailer 6$3,340 AUD
Retailer 4$3,531 AUD
Retailer 3$4,112 AUD
Retailer 5$5,056 AUD

41 data points across 8 retailers

11 retailers$2,404 AUD to $7,059 AUD

A
Cheapest Retailer
-
$2,404 AUD
A
Retailer 2
-
$2,671 AUD
View
Final sale: no returns
A
Retailer 3
-
$2,692 AUD
View
A
Retailer 4
-
$2,893 AUD
View
B+
Retailer 5
-
$3,027 AUD
View
B+
Retailer 6
-
$3,339 AUD
View
B+
Retailer 7
-
$3,340 AUD
View
A
Retailer 8
-
$3,531 AUD
View
B+
Retailer 9
-
$4,112 AUD
View
B
Retailer 10
-
$5,056 AUD
View
Most Expensive
B
NZ Jewellers
58690c0d-85d6-4540-95cb-079b6cdebe28 · Nov 2
$7,059 AUD
$4,850 USD
View
10 more retailers have this diamond
Prices start from $2,404 AUDSave up to $4,654 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
1.23ct Round
$2,404 AUD