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1.23ct J SI2 Round Natural Diamond

VG • J/SI2 • HRD 220000154301

Shape and cutting style on the report: Brilliant

Certificate HRD 220000154301

Diamond specifications and retailer prices

From $2,376 CAD
As of November 5, 2026
Save $3,986 CAD (63%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $6,362 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 very-good cut grade and certified by HRD 220000154301. Listed at 11 retailers as of November 5, 2026, with prices from $2,376 to $6,362, a $3,986 spread on the same certified stone. NZ Jewellers lists it at $6,362. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.23
Carat
J
Color
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceStrong
Crown angle36.6°
Pavilion angle40.9°
OriginNatural
Grading LabHRD
CertificateHRD 220000154301
Dimensions6.67 × 6.74 × 4.31 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
6.67 mm6.74 mm1.23 ctJ / SI2
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceStrong
CertificateHRD 220000154301
Side View
Table 57.0%Crown 36.6°Girdle: MediumPavilion 40.9°Culet: NoneDepth 64.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $6,362 CAD|Low: $2,376 CAD|High: $6,362 CAD|Avg: $3,166 CAD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 10$2,376 CAD
Retailer 11$2,406 CAD
Retailer 7$2,538 CAD
Retailer 5$2,607 CAD
Retailer 8$2,609 CAD
Retailer 3$2,626 CAD
Retailer 6$2,729 CAD
Retailer 9$3,010 CAD
Retailer 2$3,533 CAD
Retailer 4$4,556 CAD
NZ Jewellers$6,362 CAD

20 data points across 11 retailers

11 retailers$2,376 CAD to $6,362 CAD

B+
Cheapest Retailer
-
$2,376 CAD
B+
Retailer 2
-
$2,406 CAD
View
Final sale: no returns
B+
Retailer 3
-
$2,538 CAD
View
Retailer 4
-
$2,607 CAD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
$2,609 CAD
View
B+
Retailer 6
-
$2,626 CAD
View
B+
Retailer 7
-
$2,729 CAD
View
B+
Retailer 8
-
$3,010 CAD
View
B
Retailer 9
-
$3,533 CAD
View
B
Retailer 10
-
$4,556 CAD
View
Most Expensive
C
NZ Jewellers
5b8088a0-7d8e-4b3c-b1ca-b7368b401de1 · Nov 5
$6,362 CAD
$4,555 USD
View
10 more retailers have this diamond
Prices start from $2,376 CADSave up to $3,986 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.

B+
1.23ct Round
$2,376 CAD