Heart|Natural|IGI

1.51ct J SI1 Heart Natural Diamond

VG • J/SI1 • IGI 749558441

Shape and cutting style on the report: Heart brilliant

Certificate IGI 749558441

Diamond specifications and retailer prices

From $4,916 CAD
As of November 6, 2026
Save $4,819 CAD (50%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $9,735 CAD at NZ Jewellers · As of November 5, 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 SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 749558441. Listed at 17 retailers as of November 5, 2026, with prices from $4,916 to $9,735, a $4,819 spread on the same certified stone. NZ Jewellers lists it at $9,735. 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
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle38.9°
OriginNatural
Grading LabIGI
CertificateIGI 749558441
Dimensions7.12 × 7.87 × 4.47 mm
L/W Ratio1.11
Girdle conditionFaceted
Culet sizePointed
Top View
7.12 mm7.87 mm1.51 ctJ / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 749558441
Side View
Table 60.0%Crown 34°Girdle: MED-THKPavilion 38.9°Culet: NoneDepth 56.8%

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 6
Current: $9,735 CAD|Low: $5,157 CAD|High: $9,735 CAD|Avg: $6,736 CAD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 7, 2026
Retailer 8$5,157 CAD
Retailer 3$5,346 CAD
Retailer 9$5,587 CAD
Retailer 2$5,764 CAD
Retailer 4$6,311 CAD
Retailer 10$6,446 CAD
Retailer 7$6,626 CAD
Retailer 5$6,819 CAD
Retailer 6$9,344 CAD
NZ Jewellers$9,735 CAD

31 data points across 10 retailers

17 retailers$4,916 CAD to $9,735 CAD

B+
Cheapest Retailer
-
$4,916 CAD
B+
Retailer 2
-
$5,027 CAD
View
B+
Retailer 3
-
$5,157 CAD
View
Final sale: no returns
B+
Retailer 4
-
$5,331 CAD
View
B+
Retailer 5
-
$5,346 CAD
View
B+
Retailer 6
-
$5,501 CAD
View
B+
Retailer 7
-
$5,587 CAD
View
B+
Retailer 8
-
$5,587 CAD
View
Retailer 9
-
$5,587 CAD
View
Price last confirmed 9 days ago
B+
Retailer 10
-
$5,764 CAD
View
B
Retailer 11
-
$5,794 CAD
View
B
Retailer 12
-
$6,311 CAD
View
B
Retailer 13
-
$6,446 CAD
View
B
Retailer 14
-
$6,819 CAD
View
B
Retailer 15
-
$8,298 CAD
View
B
Retailer 16
-
$9,344 CAD
View
Most Expensive
C
NZ Jewellers
0ada1b4f-21ab-4fcf-8be3-23a729e1c4a5 · Nov 5
$9,735 CAD
$6,921 USD
View
16 more retailers have this diamond
Prices start from $4,916 CADSave up to $4,819 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+
1.51ct Heart
$4,916 CAD