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Round|Natural|IGI

1.23ct J VS2 Round Natural Diamond

EX • J/VS2 • IGI 627491809

Shape and cutting style on the report: Round brilliant

Certificate IGI 627491809

Diamond specifications and retailer prices

From $2,716 AUD
As of November 5, 2026
Save $2,536 AUD (48%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $6,527 AUD at NZ Jewellers · As of October 20, 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 627491809. Listed at 13 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 angle35°
Pavilion angle41°
OriginNatural
Grading LabIGI
CertificateIGI 627491809
Dimensions6.84 × 6.90 × 4.23 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
6.84 mm6.90 mm1.23 ctJ / VS2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 627491809
Side View
Table 58.0%Crown 35°Girdle: MediumPavilion 41°Culet: NoneDepth 61.6%

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 5
Current: $6,527 AUD|Low: $2,716 AUD|High: $6,527 AUD|Avg: $3,762 AUD|+2.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 7$2,716 AUD
Retailer 8$2,856 AUD
Retailer 6$3,043 AUD
Retailer 9$3,044 AUD
Retailer 10$3,044 AUD
Retailer 4$3,303 AUD
Retailer 3$3,668 AUD
Retailer 2$4,074 AUD
Retailer 5$5,251 AUD
NZ Jewellers$6,527 AUD

28 data points across 10 retailers

13 retailers$2,716 AUD to $5,251 AUD

A
Cheapest Retailer
-
$2,716 AUD
A
Retailer 2
-
$2,856 AUD
View
A
Retailer 3
-
$3,043 AUD
View
Retailer 4
-
$3,044 AUD
View
Price last confirmed 44 days ago
Retailer 5
-
$3,044 AUD
View
Price last confirmed 15 days ago
Retailer 6
-
$3,121 AUD
View
Price last confirmed 21 days ago
A
Retailer 7
-
$3,303 AUD
View
Retailer 8
-
$3,513 AUD
View
Price last confirmed 45 days ago
A
Retailer 9
-
$3,668 AUD
View
B+
Retailer 10
-
$4,074 AUD
View
B+
Retailer 11
-
$5,251 AUD
View
Retailer 12
-
$6,365 AUD
View
Price last confirmed 46 days ago
Most Expensive
NZ Jewellers
79d29f6c-76ef-42e8-a0a7-119b8016bf4a · Oct 20
$6,527 AUD
$4,569 USD
View
Price last confirmed 17 days ago
12 more retailers have this diamond
Prices start from $2,716 AUDSave up to $2,536 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
$2,716 AUD