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Round|Natural|GIA

1.23ct J VS1 Round Natural Diamond

EX • J/VS1 • GIA 6562020686

Certificate GIA 6562020686

Diamond specifications and retailer prices

From $4,387 NZD
As of November 1, 2026
Save $5,435 NZD (55%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $10,414 NZD at NZ Jewellers · As of October 6, 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 6562020686. Listed at 17 retailers as of November 1, 2026, with a 124% 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
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6562020686
Dimensions6.78 × 6.80 × 4.24 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Top View
6.78 mm6.80 mm1.23 ctJ / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6562020686
Side View
Table 57.0%Crown 36°Girdle: Slightly ThickPavilion 40.6°Culet: NoneDepth 62.4%

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 1
Current: $5,423 NZD|Low: $4,178 NZD|High: $10,145 NZD|Avg: $6,219 NZD|-2.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 11$4,387 NZD
Retailer 7$4,454 NZD
Retailer 3$5,376 NZD
Retailer 12$5,421 NZD
Retailer 1$5,423 NZD
Retailer 4$5,875 NZD
Retailer 6$6,048 NZD
Retailer 5$6,442 NZD
Retailer 2$6,527 NZD
Retailer 10$6,968 NZD
Retailer 9$7,219 NZD
Retailer 8$9,822 NZD

26 data points across 12 retailers

17 retailers$4,387 NZD to $9,822 NZD

A
Cheapest Retailer
-
$4,387 NZD
A
Retailer 2
-
$4,454 NZD
View
Retailer 3
-
$5,376 NZD
View
Price last confirmed 4 days ago
B+
Retailer 4
-
$5,421 NZD
View
B+
Retailer 5
-
$5,848 NZD
View
Retailer 6
-
$5,875 NZD
View
Price last confirmed 10 days ago
Retailer 7
-
$5,978 NZD
View
Price last confirmed 29 days ago
B+
Retailer 8
-
$6,048 NZD
View
Retailer 9
-
$6,261 NZD
View
Price last confirmed 38 days ago
Retailer 10
-
$6,384 NZD
View
Price last confirmed 30 days ago
B+
Retailer 11
-
$6,442 NZD
View
B+
Retailer 12
-
$6,527 NZD
View
Retailer 13
-
$6,896 NZD
View
Price last confirmed 33 days ago
B+
Retailer 14
-
$6,968 NZD
View
B+
Retailer 15
-
$7,219 NZD
View
B
Retailer 16
-
$9,822 NZD
View
Most Expensive
NZ Jewellers
e2e3921f-dce8-4e42-b8cf-3e37f4a58237 · Oct 6
$10,414 NZD
$5,773 USD
View
Price last confirmed 31 days ago
16 more retailers have this diamond
Prices start from $4,387 NZDSave up to $5,435 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
$4,387 NZD