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Heart|Natural|IGI

1.51ct J SI2 Heart Natural Diamond

VG • J/SI2 • IGI 737595032

Shape and cutting style on the report: Heart brilliant

Certificate IGI 737595032

Diamond specifications and retailer prices

From $3,308 CAD
$2,368 USD
As of October 31, 2026
Save $4,413 CAD (57%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $7,721 CAD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.51ct natural heart diamond

This 1.51ct natural heart sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 737595032. Listed at 12 retailers as of October 30, 2026, with prices from $3,308 to $7,721, a $4,413 spread on the same certified stone. NZ Jewellers lists it at $7,721. 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

1.51
Carat
J
Color
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.6°
Pavilion angle42.4°
OriginNatural
Grading LabIGI
CertificateIGI 737595032
Dimensions6.83 × 8.02 × 4.89 mm
L/W Ratio1.17
Girdle conditionFaceted
Culet sizePointed
Top View
6.83 mm8.02 mm1.51 ctJ / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 737595032
Side View
Table 58.0%Crown 35.6°Girdle: STK-THKPavilion 42.4°Culet: NoneDepth 61.0%

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: Oct 31
Current: $7,721 CAD|Low: $3,220 CAD|High: $7,958 CAD|Avg: $4,410 CAD|-3.0%
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
November 1, 2026
Retailer 9$3,308 CAD
Retailer 12$3,408 CAD
Retailer 8$3,589 CAD
Retailer 6$3,651 CAD
Retailer 4$3,807 CAD
Retailer 13$3,807 CAD
Retailer 2$3,890 CAD
Retailer 10$3,891 CAD
Retailer 3$3,953 CAD
Retailer 11$4,261 CAD
Retailer 5$4,530 CAD
Retailer 7$6,470 CAD
NZ Jewellers$7,721 CAD

46 data points across 13 retailers

12 retailers$3,308 CAD to $7,721 CAD

A
Cheapest Retailer
-
$3,308 CAD
$2,368 USD
A
Retailer 2
-
$3,408 CAD
$2,440 USD
View
Final sale: no returns
B+
Retailer 3
-
$3,589 CAD
$2,569 USD
View
A
Retailer 4
-
$3,651 CAD
£2,058 GBP
View
B+
Retailer 5
-
$3,807 CAD
$2,725 USD
View
B+
Retailer 6
-
$3,807 CAD
$2,725 USD
View
B+
Retailer 7
-
$3,890 CAD
$2,785 USD
View
B+
Retailer 8
-
$3,891 CAD
$2,785 USD
View
B+
Retailer 9
-
$3,953 CAD
$2,830 USD
View
B+
Retailer 10
-
$4,261 CAD
$3,050 USD
View
B
Retailer 11
-
$6,470 CAD
£3,647 GBP
View
Most Expensive
B
NZ Jewellers
c0fb1cf0-8e2f-4bab-8937-feac363ca609 · Oct 30
$7,721 CAD
$5,527 USD
View
11 more retailers have this diamond
Prices start from $3,308 CADSave up to $4,413 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
1.51ct Heart
$3,308 CAD