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Heart|Natural|HRD

3.12ct J SI2 Heart Natural Diamond

EX • J/SI2 • HRD 260000124029

Certificate HRD 260000124029

Diamond specifications and retailer prices

From $16,633 CAD
As of November 1, 2026
Save $6,551 CAD (28%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $23,184 CAD at NZ Jewellers · As of November 3, 2026
View at NZ Jewellers

About this 3.12ct natural heart diamond

This 3.12ct natural heart sits in the three to five carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by HRD 260000124029. Listed at 4 retailers as of November 1, 2026, with prices from $16,633 to $23,184, a $6,551 spread on the same certified stone. NZ Jewellers lists it at $23,184. 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

3.12
Carat
J
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.87°
Pavilion angle41.27°
OriginNatural
Grading LabHRD
CertificateHRD 260000124029
Dimensions9.25 × 10.33 × 5.89 mm
L/W Ratio1.12
Girdle conditionMedium
Top View
9.25 mm10.33 mm3.12 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateHRD 260000124029
Side View
Table 60.0%Crown 33.87°GirdlePavilion 41.27°Culet: NoneDepth 57.1%

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 1
Current: $23,184 CAD|Low: $14,692 CAD|High: $23,568 CAD|Avg: $18,872 CAD|-1.6%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 1, 2026
Retailer 5$14,692 CAD
Retailer 3$16,633 CAD
Retailer 4$16,889 CAD
Retailer 2$21,724 CAD
NZ Jewellers$23,184 CAD

18 data points across 5 retailers

4 retailers$16,633 CAD to $23,184 CAD

A
Cheapest Retailer
-
$16,633 CAD
A
Retailer 2
-
$16,889 CAD
View
B+
Retailer 3
-
$21,724 CAD
View
Most Expensive
B+
NZ Jewellers
e36d095d-af91-436e-8e9e-6040ff55f08a · Nov 3
$23,184 CAD
$16,482 USD
View
3 more retailers have this diamond
Prices start from $16,633 CADSave up to $6,551 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
3.12ct Heart
$16,633 CAD