Heart|Natural|IGI

1.23ct J SI1 Heart Natural Diamond

VG • J/SI1 • IGI 704515160

Shape and cutting style on the report: Heart brilliant

Certificate IGI 704515160

Diamond specifications and retailer prices

From $1,945 CAD
As of November 6, 2026
Save $3,252 CAD (63%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $5,197 CAD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.23ct natural heart diamond

This 1.23ct natural heart sits in the classic one-carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 704515160. Listed at 15 retailers as of November 5, 2026, with prices from $1,945 to $5,197, a $3,252 spread on the same certified stone. NZ Jewellers lists it at $5,197. 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
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle41.1°
OriginNatural
Grading LabIGI
CertificateIGI 704515160
Dimensions6.52 × 7.39 × 4.43 mm
L/W Ratio1.13
Girdle conditionFaceted
Culet sizePointed
Top View
6.52 mm7.39 mm1.23 ctJ / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 704515160
Side View
Table 58.0%Crown 35.2°Girdle: STK-THKPavilion 41.1°Culet: NoneDepth 59.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: $5,197 CAD|Low: $1,945 CAD|High: $5,354 CAD|Avg: $2,701 CAD|-2.9%
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$1,945 CAD
Retailer 6$1,966 CAD
Retailer 8$2,035 CAD
Retailer 15$2,131 CAD
Retailer 7$2,196 CAD
Retailer 4$2,217 CAD
Retailer 5$2,224 CAD
Retailer 3$2,229 CAD
Retailer 14$2,258 CAD
Retailer 9$2,289 CAD
Retailer 10$2,357 CAD
Retailer 11$2,422 CAD
Retailer 12$2,599 CAD
Retailer 13$3,722 CAD
NZ Jewellers$5,197 CAD

33 data points across 15 retailers

15 retailers$1,945 CAD to $5,197 CAD

A
Cheapest Retailer
-
$1,945 CAD
A
Retailer 2
-
$1,966 CAD
View
Final sale: no returns
A
Retailer 3
-
$2,035 CAD
View
A
Retailer 4
-
$2,131 CAD
View
Retailer 5
-
$2,196 CAD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$2,217 CAD
View
B+
Retailer 7
-
$2,224 CAD
View
A
Retailer 8
-
$2,229 CAD
View
B+
Retailer 9
-
$2,258 CAD
View
B+
Retailer 10
-
$2,289 CAD
View
A
Retailer 11
-
$2,357 CAD
View
B+
Retailer 12
-
$2,422 CAD
View
B+
Retailer 13
-
$2,599 CAD
View
B
Retailer 14
-
$3,722 CAD
View
Most Expensive
B
NZ Jewellers
8ef5a5f5-41e0-40cf-9bc2-8ee8a1456da3 · Nov 5
$5,197 CAD
$3,695 USD
View
14 more retailers have this diamond
Prices start from $1,945 CADSave up to $3,252 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 Heart
$1,945 CAD