CaratHunter
Plans
Heart|Natural|GIA

1.51ct L SI2 Heart Natural Diamond

EX • L/SI2 • GIA 6421737922

Certificate GIA 6421737922

Diamond specifications and retailer prices

From $2,407 CAD
As of November 4, 2026
Save $4,034 CAD (63%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $6,441 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 L 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 6421737922. Listed at 10 retailers as of November 4, 2026, with prices from $2,407 to $6,441, a $4,034 spread on the same certified stone. NZ Jewellers lists it at $6,441. 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
L
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6421737922
Dimensions7.17 × 8.04 × 4.41 mm
L/W Ratio1.12
Top View
7.17 mm8.04 mm1.51 ctL / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6421737922
Side View
Table 56.0%CrownGirdlePavilionCulet: NoneDepth 54.8%

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: $6,441 CAD|Low: $2,407 CAD|High: $6,911 CAD|Avg: $3,229 CAD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 7$2,407 CAD
Retailer 5$2,642 CAD
Retailer 6$2,642 CAD
Retailer 2$2,666 CAD
Retailer 10$2,763 CAD
Retailer 9$2,834 CAD
Retailer 3$2,867 CAD
Retailer 8$3,047 CAD
Retailer 4$3,581 CAD
NZ Jewellers$6,441 CAD

44 data points across 10 retailers

10 retailers$2,407 CAD to $6,441 CAD

A
Cheapest Retailer
-
$2,407 CAD
A
Retailer 2
-
$2,642 CAD
View
Retailer 3
-
$2,642 CAD
View
Price last confirmed 8 days ago
A
Retailer 4
-
$2,666 CAD
View
B+
Retailer 5
-
$2,763 CAD
View
A
Retailer 6
-
$2,834 CAD
View
A
Retailer 7
-
$2,867 CAD
View
A
Retailer 8
-
$3,047 CAD
View
B+
Retailer 9
-
$3,581 CAD
View
Most Expensive
B
NZ Jewellers
99d9a3c3-9351-4950-8825-9db039e73134 · Nov 5
$6,441 CAD
$4,579 USD
View
9 more retailers have this diamond
Prices start from $2,407 CADSave up to $4,034 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
$2,407 CAD