Heart|Natural|IGI

1.51ct J SI1 Heart Natural Diamond

VG • J/SI1 • IGI 440097543

Shape and cutting style on the report: Heart brilliant

Certificate IGI 440097543

Diamond specifications and retailer prices

From $4,781 CAD
As of November 5, 2026
Save $4,685 CAD (49%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $9,466 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 440097543. Listed at 14 retailers as of November 5, 2026, with prices from $4,781 to $9,466, a $4,685 spread on the same certified stone. NZ Jewellers lists it at $9,466. 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
PolishVery Good
SymmetryGood
FluorescenceNone
Crown angle35.4°
Pavilion angle40.3°
OriginNatural
Grading LabIGI
CertificateIGI 440097543
Dimensions7.04 × 8.01 × 4.73 mm
L/W Ratio1.14
Girdle conditionFaceted
Culet sizePointed
Top View
7.04 mm8.01 mm1.51 ctJ / SI1
OriginNatural
CutVery Good
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateIGI 440097543
Side View
Table 58.0%Crown 35.4°Girdle: THN-THKPavilion 40.3°Culet: NoneDepth 59.1%

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: $9,466 CAD|Low: $4,597 CAD|High: $9,466 CAD|Avg: $6,109 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
November 7, 2026
Retailer 3$4,915 CAD
Retailer 12$5,015 CAD
Retailer 4$5,197 CAD
Retailer 5$5,199 CAD
Retailer 9$5,434 CAD
Retailer 11$5,434 CAD
Retailer 2$5,605 CAD
Retailer 10$5,642 CAD
Retailer 8$6,269 CAD
Retailer 6$6,632 CAD
Retailer 7$9,087 CAD
NZ Jewellers$9,466 CAD

34 data points across 12 retailers

14 retailers$4,781 CAD to $9,466 CAD

B+
Cheapest Retailer
-
$4,781 CAD
B+
Retailer 2
-
$4,915 CAD
View
B+
Retailer 3
-
$5,015 CAD
View
Final sale: no returns
B+
Retailer 4
-
$5,197 CAD
View
B+
Retailer 5
-
$5,199 CAD
View
Retailer 6
-
$5,434 CAD
View
Price last confirmed 9 days ago
B+
Retailer 7
-
$5,434 CAD
View
B+
Retailer 8
-
$5,605 CAD
View
B
Retailer 9
-
$5,639 CAD
View
B
Retailer 10
-
$5,642 CAD
View
B
Retailer 11
-
$6,269 CAD
View
B
Retailer 12
-
$6,632 CAD
View
C
Retailer 13
-
$9,087 CAD
View
Most Expensive
C
NZ Jewellers
c893162e-1be4-4059-bbee-f28f78242cca · Nov 5
$9,466 CAD
$6,730 USD
View
13 more retailers have this diamond
Prices start from $4,781 CADSave up to $4,685 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
$4,781 CAD