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Heart|Natural|IGI

1.51ct K SI1 Heart Natural Diamond

VG • K/SI1 • IGI 773617467

Shape and cutting style on the report: Heart brilliant

Certificate IGI 773617467

Diamond specifications and retailer prices

From $2,432 CAD
As of November 4, 2026
Save $4,081 CAD (63%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $6,513 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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 773617467. Listed at 14 retailers as of November 4, 2026, with prices from $2,432 to $6,513, a $4,081 spread on the same certified stone. NZ Jewellers lists it at $6,513. 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
K
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39°
Pavilion angle39.6°
OriginNatural
Grading LabIGI
CertificateIGI 773617467
Dimensions6.46 × 7.80 × 5.02 mm
L/W Ratio1.21
Girdle conditionFaceted
Top View
6.46 mm7.80 mm1.51 ctK / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 773617467
Side View
Table 56.0%Crown 39°Girdle: STK-THKPavilion 39.6°CuletDepth 64.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $6,513 CAD|Low: $2,432 CAD|High: $6,818 CAD|Avg: $3,498 CAD|+6.7%
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 6, 2026
Retailer 11$2,432 CAD
Retailer 10$2,525 CAD
Retailer 2$2,590 CAD
Retailer 8$2,670 CAD
Retailer 5$2,713 CAD
Retailer 13$2,794 CAD
Retailer 4$2,795 CAD
Retailer 6$2,862 CAD
Retailer 7$2,948 CAD
Retailer 3$3,080 CAD
Retailer 9$3,258 CAD
Retailer 12$4,663 CAD
NZ Jewellers$6,513 CAD

38 data points across 13 retailers

14 retailers$2,432 CAD to $6,513 CAD

A
Cheapest Retailer
-
$2,432 CAD
A
Retailer 2
-
$2,525 CAD
View
A
Retailer 3
-
$2,590 CAD
View
A
Retailer 4
-
$2,670 CAD
View
B+
Retailer 5
-
$2,713 CAD
View
B+
Retailer 6
-
$2,794 CAD
View
Retailer 7
-
$2,795 CAD
View
Price last confirmed 8 days ago
Retailer 8
-
$2,795 CAD
View
Price last confirmed 21 days ago
B+
Retailer 9
-
$2,862 CAD
View
B+
Retailer 10
-
$2,948 CAD
View
B+
Retailer 11
-
$3,080 CAD
View
B+
Retailer 12
-
$3,258 CAD
View
B+
Retailer 13
-
$4,663 CAD
View
Most Expensive
B
NZ Jewellers
adefc08f-653b-44a9-92f3-95acbb36c18e · Nov 5
$6,513 CAD
$4,630 USD
View
13 more retailers have this diamond
Prices start from $2,432 CADSave up to $4,081 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
$2,432 CAD