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Heart|Natural|IGI

1.00ct K SI1 Heart Natural Diamond

VG • K/SI1 • IGI 816643964

Shape and cutting style on the report: Heart brilliant

Certificate IGI 816643964

Diamond specifications and retailer prices

From $1,480 CAD
As of November 5, 2026
Save $2,851 CAD (66%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $4,331 CAD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural heart diamond

This 1ct natural heart sits in the classic one-carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 816643964. Listed at 11 retailers as of November 5, 2026, with prices from $1,480 to $4,331, a $2,851 spread on the same certified stone. NZ Jewellers lists it at $4,331. 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

1.00
Carat
K
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.4°
Pavilion angle40.4°
OriginNatural
Grading LabIGI
CertificateIGI 816643964
Dimensions5.77 × 6.74 × 4.27 mm
L/W Ratio1.17
Girdle conditionFaceted
Top View
5.77 mm6.74 mm1.00 ctK / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 816643964
Side View
Table 57.0%Crown 39.4°Girdle: MED-THKPavilion 40.4°CuletDepth 63.4%

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 5
Current: $4,331 CAD|Low: $1,480 CAD|High: $4,331 CAD|Avg: $2,307 CAD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 4$1,480 CAD
Retailer 2$1,722 CAD
Retailer 5$1,775 CAD
Retailer 9$1,779 CAD
Retailer 8$1,844 CAD
Retailer 10$1,988 CAD
Retailer 3$2,049 CAD
Retailer 6$2,166 CAD
Retailer 7$3,244 CAD
NZ Jewellers$4,331 CAD

44 data points across 10 retailers

11 retailers$1,480 CAD to $4,331 CAD

A
Cheapest Retailer
-
$1,480 CAD
B+
Retailer 2
-
$1,722 CAD
View
B+
Retailer 3
-
$1,775 CAD
View
B+
Retailer 4
-
$1,779 CAD
View
B+
Retailer 5
-
$1,844 CAD
View
B+
Retailer 6
-
$1,965 CAD
View
B+
Retailer 7
-
$1,988 CAD
View
B+
Retailer 8
-
$2,049 CAD
View
B+
Retailer 9
-
$2,166 CAD
View
B
Retailer 10
-
$3,244 CAD
View
Most Expensive
C
NZ Jewellers
c8f7d190-9234-456a-88b7-f702d5630897 · Nov 5
$4,331 CAD
$3,079 USD
View
10 more retailers have this diamond
Prices start from $1,480 CADSave up to $2,851 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
1.00ct Heart
$1,480 CAD