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Round|Natural|IGI

1.23ct J SI2 Round Natural Diamond

EX • J/SI2 • IGI 833602422

Shape and cutting style on the report: Round brilliant

Certificate IGI 833602422

Diamond specifications and retailer prices

From $1,532 CAD
As of November 6, 2026
Save $3,490 CAD (69%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $5,022 CAD 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 833602422. Listed at 15 retailers as of November 5, 2026, with prices from $1,532 to $5,022, a $3,490 spread on the same certified stone. NZ Jewellers lists it at $5,022. 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
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.2°
Pavilion angle40.5°
OriginNatural
Grading LabIGI
CertificateIGI 833602422
Dimensions6.83 × 6.89 × 4.18 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
6.83 mm6.89 mm1.23 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 833602422
Side View
Table 61.0%Crown 36.2°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 60.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $5,022 CAD|Low: $1,532 CAD|High: $5,022 CAD|Avg: $2,424 CAD
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
November 6, 2026
Retailer 2$1,532 CAD
Retailer 3$1,899 CAD
Retailer 12$1,906 CAD
Retailer 6$1,908 CAD
Retailer 8$1,969 CAD
Retailer 7$2,059 CAD
Retailer 13$2,059 CAD
Retailer 4$2,147 CAD
Retailer 15$2,149 CAD
Retailer 14$2,154 CAD
Retailer 5$2,376 CAD
Retailer 10$2,412 CAD
Retailer 9$2,655 CAD
Retailer 11$3,596 CAD
NZ Jewellers$5,022 CAD

41 data points across 15 retailers

15 retailers$1,532 CAD to $5,022 CAD

A
Cheapest Retailer
-
$1,532 CAD
A
Retailer 2
-
$1,899 CAD
View
Final sale: no returns
A
Retailer 3
-
$1,906 CAD
View
A
Retailer 4
-
$1,908 CAD
View
A
Retailer 5
-
$1,969 CAD
View
Retailer 6
-
$2,059 CAD
View
Price last confirmed 8 days ago
A
Retailer 7
-
$2,059 CAD
View
B+
Retailer 8
-
$2,147 CAD
View
B+
Retailer 9
-
$2,149 CAD
View
B+
Retailer 10
-
$2,154 CAD
View
B+
Retailer 11
-
$2,376 CAD
View
A
Retailer 12
-
$2,412 CAD
View
A
Retailer 13
-
$2,655 CAD
View
B+
Retailer 14
-
$3,596 CAD
View
Most Expensive
B
NZ Jewellers
34ba6b30-4a1b-4995-bdf9-ad59beae8489 · Nov 5
$5,022 CAD
$3,596 USD
View
14 more retailers have this diamond
Prices start from $1,532 CADSave up to $3,490 CAD

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
$1,532 CAD