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Heart|Natural|GIA

1.21ct J SI1 Heart Natural Diamond

EX • J/SI1 • GIA 2245042739

Certificate GIA 2245042739

Diamond specifications and retailer prices

From $2,267 CAD
As of November 6, 2026
Save $4,185 CAD (65%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $6,452 CAD at NZ Jewellers · As of November 5, 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 J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2245042739. Listed at 12 retailers as of November 5, 2026, with prices from $2,267 to $6,452, a $4,185 spread on the same certified stone. NZ Jewellers lists it at $6,452. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.21
Carat
J
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
Pavilion angle38.94°
OriginNatural
Grading LabGIA
CertificateGIA 2245042739
Dimensions6.61 × 7.21 × 4.29 mm
L/W Ratio1.09
Key to symbols
Twinning Wisp, Feather, Crystal, Needle
Top View
6.61 mm7.21 mm1.21 ctJ / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 2245042739
Side View
Table 62.0%CrownGirdle: THK-VTKPavilion 38.94°Culet: NoneDepth 59.5%

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 6
Current: $6,452 CAD|Low: $2,267 CAD|High: $6,894 CAD|Avg: $3,889 CAD|-6.4%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 10$2,267 CAD
Retailer 3$2,926 CAD
Retailer 2$2,993 CAD
Retailer 6$3,086 CAD
Retailer 5$3,154 CAD
Retailer 9$3,228 CAD
Retailer 7$3,393 CAD
Retailer 4$3,823 CAD
Retailer 11$4,711 CAD
Retailer 8$5,393 CAD
NZ Jewellers$6,452 CAD

38 data points across 11 retailers

12 retailers$2,267 CAD to $6,452 CAD

A
Cheapest Retailer
-
$2,267 CAD
B+
Retailer 2
-
$2,926 CAD
View
B+
Retailer 3
-
$2,993 CAD
View
B+
Retailer 4
-
$3,086 CAD
View
B+
Retailer 5
-
$3,154 CAD
View
B+
Retailer 6
-
$3,228 CAD
View
B+
Retailer 7
-
$3,393 CAD
View
B
Retailer 8
-
$3,471 CAD
View
B+
Retailer 9
-
$3,823 CAD
View
B
Retailer 10
-
$4,711 CAD
View
B
Retailer 11
-
$5,393 CAD
View
Most Expensive
B
NZ Jewellers
4f1787ab-5746-4b1c-9857-b23407ac4cfd · Nov 5
$6,452 CAD
$4,587 USD
View
11 more retailers have this diamond
Prices start from $2,267 CADSave up to $4,185 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
$2,267 CAD