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Heart|Natural|GIA

1.51ct K SI2 Heart Natural Diamond

EX • K/SI2 • GIA 1565167954

Certificate GIA 1565167954

Diamond specifications and retailer prices

From $2,417 CAD
As of November 4, 2026
Save $3,626 CAD (60%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $6,043 CAD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.51ct natural heart diamond

This 1.51ct natural heart sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1565167954. Listed at 15 retailers as of November 4, 2026, with prices from $2,417 to $6,043, a $3,626 spread on the same certified stone. NZ Jewellers lists it at $6,043. 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

1.51
Carat
K
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1565167954
Dimensions6.95 × 7.86 × 4.67 mm
L/W Ratio1.13
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Indented Natural
Top View
6.95 mm7.86 mm1.51 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1565167954
Side View
Table 60.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 59.4%

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 4
Current: $6,043 CAD|Low: $2,401 CAD|High: $6,268 CAD|Avg: $3,173 CAD|-3.6%
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
November 6, 2026
Retailer 4$2,417 CAD
Retailer 3$2,581 CAD
Retailer 13$2,618 CAD
Retailer 15$2,618 CAD
Retailer 7$2,674 CAD
Retailer 11$2,678 CAD
Retailer 12$2,711 CAD
Retailer 14$2,739 CAD
Retailer 2$2,879 CAD
Retailer 6$2,910 CAD
Retailer 9$3,016 CAD
Retailer 5$3,021 CAD
Retailer 8$3,140 CAD
Retailer 10$5,050 CAD
NZ Jewellers$6,043 CAD

25 data points across 15 retailers

15 retailers$2,417 CAD to $6,043 CAD

A
Cheapest Retailer
-
$2,417 CAD
Final sale: no returns
A
Retailer 2
-
$2,581 CAD
View
A
Retailer 3
-
$2,618 CAD
View
Retailer 4
-
$2,618 CAD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$2,674 CAD
View
A
Retailer 6
-
$2,678 CAD
View
A
Retailer 7
-
$2,711 CAD
View
A
Retailer 8
-
$2,739 CAD
View
A
Retailer 9
-
$2,879 CAD
View
A
Retailer 10
-
$2,910 CAD
View
A
Retailer 11
-
$3,016 CAD
View
A
Retailer 12
-
$3,021 CAD
View
A
Retailer 13
-
$3,140 CAD
View
B+
Retailer 14
-
$5,050 CAD
View
Most Expensive
B+
NZ Jewellers
51c9b586-48e3-43bf-b868-bb551dea9293 · Nov 5
$6,043 CAD
$4,296 USD
View
14 more retailers have this diamond
Prices start from $2,417 CADSave up to $3,626 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
1.51ct Heart
$2,417 CAD