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 $3,512 NZD
As of November 4, 2026
Save $3,280 NZD (48%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $9,460 NZD 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: $8,428 NZD|Low: $3,512 NZD|High: $8,428 NZD|Avg: $4,963 NZD|+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$3,512 NZD
Retailer 8$3,673 NZD
Retailer 7$3,914 NZD
Retailer 9$3,935 NZD
Retailer 2$4,271 NZD
Retailer 4$4,744 NZD
Retailer 3$4,815 NZD
Retailer 10$5,146 NZD
Retailer 6$6,792 NZD
NZ Jewellers$8,428 NZD

31 data points across 10 retailers

14 retailers$3,512 NZD to $6,792 NZD

A
Cheapest Retailer
-
$3,512 NZD
A
Retailer 2
-
$3,673 NZD
View
A
Retailer 3
-
$3,914 NZD
View
Retailer 4
-
$3,935 NZD
View
Price last confirmed 44 days ago
Retailer 5
-
$3,935 NZD
View
Price last confirmed 15 days ago
Retailer 6
-
$4,031 NZD
View
Price last confirmed 21 days ago
A
Retailer 7
-
$4,271 NZD
View
Retailer 8
-
$4,542 NZD
View
Price last confirmed 45 days ago
B+
Retailer 9
-
$4,744 NZD
View
B+
Retailer 10
-
$4,815 NZD
View
B+
Retailer 11
-
$6,792 NZD
View
Retailer 12
-
$8,227 NZD
View
Price last confirmed 46 days ago
Retailer 13
-
$8,428 NZD
View
Price last confirmed 17 days ago
Most Expensive
NZ Jewellers
65311ca0-c1dd-4b8f-91cb-eee6e4cd1757 · Aug 29
$9,460 NZD
$5,318 USD
View
Price last confirmed 69 days ago
13 more retailers have this diamond
Prices start from $3,512 NZDSave up to $3,280 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
$3,512 NZD