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Heart|Natural|GIA

1.21ct D SI1 Heart Natural Diamond

EX • D/SI1 • GIA 6531598937

Certificate GIA 6531598937

Diamond specifications and retailer prices

From $3,806 CAD
As of November 4, 2026
Save $1,089 CAD (22%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $4,895 CAD at Jared · As of November 6, 2026
View at Jared

About this 1.21ct natural heart diamond

This 1.21ct natural heart sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6531598937. Listed at 10 retailers as of November 4, 2026, with prices from $3,806 to $4,895, a $1,089 spread on the same certified stone. Jared lists it at $4,895. 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
D
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6531598937
Dimensions6.54 × 7.41 × 4.38 mm
L/W Ratio1.13
Top View
6.54 mm7.41 mm1.21 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6531598937
Side View
Table 60.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 59.1%

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: $4,895 CAD|Low: $3,659 CAD|High: $5,570 CAD|Avg: $4,700 CAD|-9.1%
Jared
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 4$3,806 CAD
Retailer 5$4,123 CAD
Retailer 10$4,266 CAD
Retailer 9$4,341 CAD
Retailer 2$4,408 CAD
Retailer 6$4,494 CAD
Retailer 3$4,740 CAD
Retailer 7$4,740 CAD
Retailer 8$4,797 CAD
Jared$4,895 CAD

43 data points across 10 retailers

10 retailers$3,806 CAD to $4,895 CAD

A
Cheapest Retailer
-
$3,806 CAD
Final sale: no returns
B+
Retailer 2
-
$4,123 CAD
View
B+
Retailer 3
-
$4,266 CAD
View
B+
Retailer 4
-
$4,341 CAD
View
B+
Retailer 5
-
$4,408 CAD
View
B+
Retailer 6
-
$4,494 CAD
View
B+
Retailer 7
-
$4,740 CAD
View
B+
Retailer 8
-
$4,740 CAD
View
B+
Retailer 9
-
$4,797 CAD
View
Most Expensive
B+
Jared
156794183 · Nov 6
$4,895 CAD
$3,480 USD
View
9 more retailers have this diamond
Prices start from $3,806 CADSave up to $1,089 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
$3,806 CAD