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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 $3,429 NZD
As of November 5, 2026
Save $3,202 NZD (48%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $8,242 NZD 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: $8,242 NZD|Low: $3,429 NZD|High: $8,242 NZD|Avg: $4,751 NZD|+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$3,429 NZD
Retailer 8$3,606 NZD
Retailer 6$3,842 NZD
Retailer 9$3,844 NZD
Retailer 10$3,844 NZD
Retailer 4$4,171 NZD
Retailer 3$4,632 NZD
Retailer 2$5,145 NZD
Retailer 5$6,631 NZD
NZ Jewellers$8,242 NZD

28 data points across 10 retailers

13 retailers$3,429 NZD to $6,631 NZD

A
Cheapest Retailer
-
$3,429 NZD
A
Retailer 2
-
$3,606 NZD
View
A
Retailer 3
-
$3,842 NZD
View
Retailer 4
-
$3,844 NZD
View
Price last confirmed 44 days ago
Retailer 5
-
$3,844 NZD
View
Price last confirmed 15 days ago
Retailer 6
-
$3,942 NZD
View
Price last confirmed 21 days ago
A
Retailer 7
-
$4,171 NZD
View
Retailer 8
-
$4,436 NZD
View
Price last confirmed 45 days ago
A
Retailer 9
-
$4,632 NZD
View
B+
Retailer 10
-
$5,145 NZD
View
B+
Retailer 11
-
$6,631 NZD
View
Retailer 12
-
$8,038 NZD
View
Price last confirmed 46 days ago
Most Expensive
NZ Jewellers
79d29f6c-76ef-42e8-a0a7-119b8016bf4a · Oct 20
$8,242 NZD
$4,569 USD
View
Price last confirmed 17 days ago
12 more retailers have this diamond
Prices start from $3,429 NZDSave up to $3,202 NZD

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
$3,429 NZD