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Round|Natural|IGI

1.23ct J VS2 Round Natural Diamond

EX • J/VS2 • IGI 768663740

Shape and cutting style on the report: Round brilliant

Certificate IGI 768663740

Diamond specifications and retailer prices

From $2,820 AUD
As of November 4, 2026
Save $2,634 AUD (48%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $7,597 AUD at NZ Jewellers · As of August 29, 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 VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI 768663740. Listed at 14 retailers as of November 4, 2026, with a 93% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle41.4°
OriginNatural
Grading LabIGI
CertificateIGI 768663740
Dimensions6.81 × 6.84 × 4.30 mm
L/W Ratio1.00
Girdle conditionFaceted
Top View
6.81 mm6.84 mm1.23 ctJ / VS2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 768663740
Side View
Table 57.0%Crown 34.9°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 62.9%

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: $6,768 AUD|Low: $2,820 AUD|High: $6,768 AUD|Avg: $3,985 AUD|+2.4%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 5$2,820 AUD
Retailer 8$2,950 AUD
Retailer 7$3,143 AUD
Retailer 9$3,160 AUD
Retailer 2$3,430 AUD
Retailer 4$3,810 AUD
Retailer 3$3,867 AUD
Retailer 10$4,133 AUD
Retailer 6$5,454 AUD
NZ Jewellers$6,768 AUD

31 data points across 10 retailers

14 retailers$2,820 AUD to $5,454 AUD

A
Cheapest Retailer
-
$2,820 AUD
A
Retailer 2
-
$2,950 AUD
View
A
Retailer 3
-
$3,143 AUD
View
Retailer 4
-
$3,160 AUD
View
Price last confirmed 44 days ago
Retailer 5
-
$3,160 AUD
View
Price last confirmed 15 days ago
Retailer 6
-
$3,237 AUD
View
Price last confirmed 21 days ago
A
Retailer 7
-
$3,430 AUD
View
Retailer 8
-
$3,647 AUD
View
Price last confirmed 45 days ago
B+
Retailer 9
-
$3,810 AUD
View
B+
Retailer 10
-
$3,867 AUD
View
B+
Retailer 11
-
$5,454 AUD
View
Retailer 12
-
$6,607 AUD
View
Price last confirmed 46 days ago
Retailer 13
-
$6,768 AUD
View
Price last confirmed 17 days ago
Most Expensive
NZ Jewellers
65311ca0-c1dd-4b8f-91cb-eee6e4cd1757 · Aug 29
$7,597 AUD
$5,318 USD
View
Price last confirmed 69 days ago
13 more retailers have this diamond
Prices start from $2,820 AUDSave up to $2,634 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
$2,820 AUD