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Round|Natural|GIA

1.23ct J VS2 Round Natural Diamond

EX • J/VS2 • GIA 6243051354

Certificate GIA 6243051354

Diamond specifications and retailer prices

From $4,399 NZD
As of November 5, 2026
Save $5,230 NZD (54%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $9,629 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 VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by GIA 6243051354. Listed at 16 retailers as of November 5, 2026, with prices from $4,399 to $9,629, a $5,230 spread on the same certified stone. NZ Jewellers lists it at $9,629. 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
FluorescenceFaint
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 6243051354
Dimensions6.78 × 6.83 × 4.28 mm
L/W Ratio1.01
Key to symbols
Crystal, Pinpoint
Top View
6.78 mm6.83 mm1.23 ctJ / VS2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6243051354
Side View
Table 59.0%CrownGirdle: Slightly ThickPavilion 41.8°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 5
Current: $9,629 NZD|Low: $3,892 NZD|High: $11,252 NZD|Avg: $5,783 NZD|-14.4%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
November 6, 2026
Retailer 8$3,892 NZD
Retailer 4$4,399 NZD
Retailer 5$4,417 NZD
Retailer 12$4,456 NZD
Retailer 6$4,572 NZD
Retailer 3$5,008 NZD
Retailer 14$5,200 NZD
Retailer 2$5,251 NZD
Retailer 7$5,470 NZD
Retailer 16$5,632 NZD
Retailer 13$5,942 NZD
Retailer 15$5,942 NZD
Retailer 11$6,137 NZD
Retailer 9$6,290 NZD
Retailer 10$9,216 NZD
NZ Jewellers$9,629 NZD

34 data points across 16 retailers

16 retailers$4,399 NZD to $9,629 NZD

Retailer 1
-
$3,892 NZD
Price last confirmed 44 days ago
A
Retailer 2
-
$4,399 NZD
View
A
Retailer 3
-
$4,417 NZD
View
A
Retailer 4
-
$4,456 NZD
View
A
Retailer 5
-
$4,572 NZD
View
Final sale: no returns
B+
Retailer 6
-
$4,819 NZD
View
B+
Retailer 7
-
$5,008 NZD
View
B+
Retailer 8
-
$5,200 NZD
View
B+
Retailer 9
-
$5,251 NZD
View
B+
Retailer 10
-
$5,632 NZD
View
B+
Retailer 11
-
$5,942 NZD
View
B+
Retailer 12
-
$5,942 NZD
View
B+
Retailer 13
-
$6,137 NZD
View
B+
Retailer 14
-
$6,290 NZD
View
B
Retailer 15
-
$9,216 NZD
View
Most Expensive
B
NZ Jewellers
e30bc654-783f-448c-b25f-790a7aad39f7 · Nov 5
$9,629 NZD
$5,413 USD
View
15 more retailers have this diamond
Prices start from $4,399 NZDSave up to $5,230 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
$4,399 NZD