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Heart|Natural|IGI

1.20ct I SI1 Heart Natural Diamond

VG • I/SI1 • IGI 743513531

Shape and cutting style on the report: Heart brilliant

Certificate IGI 743513531

Diamond specifications and retailer prices

From $2,543 CAD
As of November 6, 2026
Save $4,327 CAD (63%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $6,870 CAD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.2ct natural heart diamond

This 1.2ct natural heart sits in the classic one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 743513531. Listed at 14 retailers as of November 5, 2026, with prices from $2,543 to $6,870, a $4,327 spread on the same certified stone. NZ Jewellers lists it at $6,870. 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

1.20
Carat
I
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38°
Pavilion angle37.4°
OriginNatural
Grading LabIGI
CertificateIGI 743513531
Dimensions6.81 × 7.47 × 4.11 mm
L/W Ratio1.10
Girdle conditionFaceted
Culet sizePointed
Top View
6.81 mm7.47 mm1.20 ctI / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 743513531
Side View
Table 57.0%Crown 38°Girdle: STK-THKPavilion 37.4°Culet: NoneDepth 55.0%

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 6
Current: $6,870 CAD|Low: $2,543 CAD|High: $6,870 CAD|Avg: $3,426 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
Retailer 13
Retailer 14
November 6, 2026
Retailer 4$2,543 CAD
Retailer 5$2,599 CAD
Retailer 2$2,732 CAD
Retailer 6$2,796 CAD
Retailer 11$2,816 CAD
Retailer 13$2,816 CAD
Retailer 3$2,869 CAD
Retailer 12$2,947 CAD
Retailer 8$3,111 CAD
Retailer 14$3,249 CAD
Retailer 9$3,436 CAD
Retailer 7$3,826 CAD
Retailer 10$4,920 CAD
NZ Jewellers$6,870 CAD

30 data points across 14 retailers

14 retailers$2,543 CAD to $6,870 CAD

A
Cheapest Retailer
-
$2,543 CAD
B+
Retailer 2
-
$2,599 CAD
View
Final sale: no returns
A
Retailer 3
-
$2,732 CAD
View
A
Retailer 4
-
$2,796 CAD
View
B+
Retailer 5
-
$2,816 CAD
View
Retailer 6
-
$2,816 CAD
View
Price last confirmed 8 days ago
B+
Retailer 7
-
$2,869 CAD
View
B+
Retailer 8
-
$2,947 CAD
View
B+
Retailer 9
-
$3,111 CAD
View
B+
Retailer 10
-
$3,249 CAD
View
B+
Retailer 11
-
$3,436 CAD
View
B
Retailer 12
-
$3,826 CAD
View
B
Retailer 13
-
$4,920 CAD
View
Most Expensive
C
NZ Jewellers
045ecf2b-a6fe-4461-baf6-c2eeecaa63b2 · Nov 5
$6,870 CAD
$4,884 USD
View
13 more retailers have this diamond
Prices start from $2,543 CADSave up to $4,327 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
1.20ct Heart
$2,543 CAD