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Heart|Natural|GIA

1.51ct E SI1 Heart Natural Diamond

EX • E/SI1 • GIA 5546654705

Certificate GIA 5546654705

Diamond specifications and retailer prices

From $7,211 CAD
$5,152 USD
As of October 29, 2026
Save $6,266 CAD (46%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $13,477 CAD at NZ Jewellers · As of October 27, 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 E 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 5546654705. Listed at 9 retailers as of October 27, 2026, with prices from $7,211 to $13,477, a $6,266 spread on the same certified stone. NZ Jewellers lists it at $13,477. 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
E
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle38.76°
Pavilion angle43.09°
OriginNatural
Grading LabGIA
CertificateGIA 5546654705
Dimensions6.57 × 7.83 × 4.99 mm
L/W Ratio1.19
Top View
6.57 mm7.83 mm1.51 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5546654705
Side View
Table 63.0%Crown 38.76°Girdle: THK-VTKPavilion 43.09°Culet: NoneDepth 63.7%

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: Oct 29
Current: $13,477 CAD|Low: $7,211 CAD|High: $13,792 CAD|Avg: $9,229 CAD|-2.3%
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
October 29, 2026
Retailer 11$7,211 CAD
Retailer 2$7,583 CAD
Retailer 7$7,754 CAD
Retailer 9$8,057 CAD
Retailer 10$8,057 CAD
Retailer 8$8,102 CAD
Retailer 12$8,211 CAD
Retailer 13$8,496 CAD
Retailer 3$8,869 CAD
Retailer 5$9,684 CAD
Retailer 4$10,484 CAD
Retailer 6$11,936 CAD
NZ Jewellers$13,477 CAD

34 data points across 13 retailers

9 retailers$7,211 CAD to $13,477 CAD

A
Cheapest Retailer
-
$7,211 CAD
$5,152 USD
A
Retailer 2
-
$7,583 CAD
£4,266 GBP
View
A
Retailer 3
-
$7,754 CAD
$5,540 USD
View
A
Retailer 4
-
$8,057 CAD
$5,757 USD
View
A
Retailer 5
-
$8,057 CAD
$5,757 USD
View
Retailer 6
-
$8,102 CAD
A$8,905 AUD
View
Price last confirmed 11 days ago
A
Retailer 7
-
$8,211 CAD
$5,867 USD
View
B+
Retailer 8
-
$11,936 CAD
£6,715 GBP
View
Most Expensive
B
NZ Jewellers
2000c503-6131-405e-84a0-61da46a0ca3b · Oct 27
$13,477 CAD
$9,629 USD
View
8 more retailers have this diamond
Prices start from $7,211 CADSave up to $6,266 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
$7,211 CAD