CaratHunter
Plans
Heart|Natural|IGI

1.21ct I SI1 Heart Natural Diamond

VG • I/SI1 • IGI 788607601

Shape and cutting style on the report: Heart brilliant

Certificate IGI 788607601

Diamond specifications and retailer prices

From $2,529 CAD
As of November 4, 2026
Save $4,299 CAD (63%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $6,828 CAD at NZ Jewellers · As of November 3, 2026
View at NZ Jewellers

About this 1.21ct natural heart diamond

This 1.21ct 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 788607601. Listed at 16 retailers as of November 3, 2026, with prices from $2,529 to $6,828, a $4,299 spread on the same certified stone. NZ Jewellers lists it at $6,828. 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

1.21
Carat
I
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.3°
Pavilion angle41.6°
OriginNatural
Grading LabIGI
CertificateIGI 788607601
Dimensions6.57 × 7.20 × 4.42 mm
L/W Ratio1.10
Girdle conditionFaceted
Culet sizePointed
Top View
6.57 mm7.20 mm1.21 ctI / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 788607601
Side View
Table 62.0%Crown 37.3°Girdle: MED-THKPavilion 41.6°Culet: NoneDepth 61.4%

Caratlytics Score

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

Price History

Last verified: Nov 4
Current: $6,828 CAD|Low: $2,529 CAD|High: $6,828 CAD|Avg: $3,543 CAD|+13.2%
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
Retailer 15
Retailer 16
November 4, 2026
Retailer 3$2,529 CAD
Retailer 7$2,583 CAD
Retailer 13$2,730 CAD
Retailer 16$2,786 CAD
Retailer 10$2,799 CAD
Retailer 2$2,848 CAD
Retailer 8$2,885 CAD
Retailer 12$2,929 CAD
Retailer 4$2,938 CAD
Retailer 14$2,993 CAD
Retailer 11$3,097 CAD
Retailer 5$3,230 CAD
Retailer 6$3,439 CAD
Retailer 9$3,806 CAD
Retailer 15$4,903 CAD
NZ Jewellers$6,828 CAD

30 data points across 16 retailers

16 retailers$2,529 CAD to $6,828 CAD

A
Cheapest Retailer
-
$2,529 CAD
A
Retailer 2
-
$2,583 CAD
View
Final sale: no returns
A
Retailer 3
-
$2,730 CAD
View
B+
Retailer 4
-
$2,786 CAD
View
A
Retailer 5
-
$2,799 CAD
View
B+
Retailer 6
-
$2,848 CAD
View
Retailer 7
-
$2,885 CAD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$2,929 CAD
View
B+
Retailer 9
-
$2,938 CAD
View
B+
Retailer 10
-
$2,993 CAD
View
B+
Retailer 11
-
$3,097 CAD
View
B+
Retailer 12
-
$3,230 CAD
View
B+
Retailer 13
-
$3,439 CAD
View
B
Retailer 14
-
$3,806 CAD
View
B
Retailer 15
-
$4,903 CAD
View
Most Expensive
C
NZ Jewellers
e7f57f2b-408c-44ac-805d-a1c3ad3009ff · Nov 3
$6,828 CAD
$4,854 USD
View
15 more retailers have this diamond
Prices start from $2,529 CADSave up to $4,299 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
1.21ct Heart
$2,529 CAD