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Round|Natural|GIA

1.23ct J VS1 Round Natural Diamond

EX • J/VS1 • GIA 7566152918

Certificate GIA 7566152918

Diamond specifications and retailer prices

From $4,144 NZD
As of November 6, 2026
Save $5,545 NZD (57%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $9,689 NZD at NZ Jewellers · As of November 5, 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 GIA 7566152918. Listed at 21 retailers as of November 5, 2026, with prices from $4,144 to $9,689, a $5,545 spread on the same certified stone. NZ Jewellers lists it at $9,689. 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
FluorescenceNone
Crown angle34°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 7566152918
Dimensions6.86 × 6.88 × 4.24 mm
L/W Ratio1.00
Girdle conditionFaceted
Key to symbols
Crystal, Twinning Wisp, Needle
Top View
6.86 mm6.88 mm1.23 ctJ / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7566152918
Side View
Table 57.0%Crown 34°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.8%

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: $4,144 NZD|Low: $4,144 NZD|High: $9,413 NZD|Avg: $6,209 NZD|-1.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 1$4,144 NZD
Retailer 8$5,134 NZD
Retailer 2$5,175 NZD
Retailer 3$5,713 NZD
Retailer 4$6,088 NZD
Retailer 9$6,251 NZD
Retailer 5$6,391 NZD
Retailer 6$6,788 NZD
Retailer 7$9,276 NZD

30 data points across 9 retailers

21 retailers$4,144 NZD to $9,689 NZD

A
Cheapest Retailer
-
$4,144 NZD
B+
Retailer 2
-
$4,981 NZD
View
B+
Retailer 3
-
$4,988 NZD
View
B+
Retailer 4
-
$5,134 NZD
View
Final sale: no returns
B+
Retailer 5
-
$5,175 NZD
View
Retailer 6
-
$5,561 NZD
View
Price last confirmed 44 days ago
B+
Retailer 7
-
$5,561 NZD
View
Retailer 8
-
$5,561 NZD
View
Price last confirmed 8 days ago
B+
Retailer 9
-
$5,713 NZD
View
B+
Retailer 10
-
$5,776 NZD
View
B+
Retailer 11
-
$5,819 NZD
View
Retailer 12
-
$5,962 NZD
View
Price last confirmed 33 days ago
B+
Retailer 13
-
$6,088 NZD
View
Retailer 14
-
$6,251 NZD
View
Price last confirmed 17 days ago
B+
Retailer 15
-
$6,391 NZD
View
Retailer 16
-
$6,416 NZD
View
Price last confirmed 45 days ago
B
Retailer 17
-
$6,416 NZD
View
B+
Retailer 18
-
$6,788 NZD
View
B
Retailer 19
-
$9,276 NZD
View
Retailer 20
-
$9,689 NZD
View
Price last confirmed 46 days ago
Most Expensive
B
NZ Jewellers
2e5f1928-246e-4144-a84f-25f39161d647 · Nov 5
$9,689 NZD
$5,371 USD
View
20 more retailers have this diamond
Prices start from $4,144 NZDSave up to $5,545 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
$4,144 NZD