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Round|Natural|GIA

1.23ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 6561568555

Certificate GIA 6561568555

Diamond specifications and retailer prices

From $2,307 NZD
As of November 6, 2026
Save $1,476 NZD (39%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $3,784 NZD at Wholesale Diamonds Direct · As of November 6, 2026
View at Wholesale Diamonds Direct

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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6561568555. Listed at 8 retailers as of November 6, 2026, with prices from $2,307 to $3,784, a $1,476 spread on the same certified stone. Wholesale Diamonds Direct lists it at $3,784. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.23
Carat
J
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle34°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6561568555
Dimensions6.85 × 6.87 × 4.27 mm
L/W Ratio1.00
Culet sizeNone
Top View
6.85 mm6.87 mm1.23 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6561568555
Side View
Table 56.0%Crown 34°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.2%

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: $2,307 NZD|Low: $2,307 NZD|High: $4,042 NZD|Avg: $2,980 NZD|-6.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Wholesale Diamonds Direct
November 6, 2026
Retailer 1$2,307 NZD
Retailer 5$2,316 NZD
Retailer 6$2,354 NZD
Retailer 4$2,470 NZD
Retailer 2$3,047 NZD
Retailer 7$3,061 NZD
Retailer 3$3,177 NZD
Wholesale Diamonds Direct$3,784 NZD

11 data points across 8 retailers

8 retailers$2,307 NZD to $3,784 NZD

A
Cheapest Retailer
-
$2,307 NZD
A
Retailer 2
-
$2,316 NZD
View
A
Retailer 3
-
$2,354 NZD
View
A
Retailer 4
-
$2,470 NZD
View
A
Retailer 5
-
$3,047 NZD
View
A
Retailer 6
-
$3,061 NZD
View
A
Retailer 7
-
$3,177 NZD
View
Most Expensive
B+
Wholesale Diamonds Direct
650014124 · Nov 6
$3,784 NZD
$2,097 USD
View
7 more retailers have this diamond
Prices start from $2,307 NZDSave up to $1,476 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
$2,307 NZD