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Heart|Natural|GIA

1.51ct F SI1 Heart Natural Diamond

ID • F/SI1 • GIA 5232690820

Certificate GIA 5232690820

Diamond specifications and retailer prices

From $6,537 CAD
$4,678 USD
As of November 2, 2026
Save $5,608 CAD (46%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $12,145 CAD at NZ Jewellers · As of October 30, 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 F 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 5232690820. Listed at 9 retailers as of October 30, 2026, with prices from $6,537 to $12,145, a $5,608 spread on the same certified stone. NZ Jewellers lists it at $12,145. 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
F
Color
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle37.1°
Pavilion angle42.59°
OriginNatural
Grading LabGIA
CertificateGIA 5232690820
Dimensions6.89 × 7.98 × 4.86 mm
L/W Ratio1.16
Top View
6.89 mm7.98 mm1.51 ctF / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5232690820
Side View
Table 63.0%Crown 37.1°Girdle: Slightly Thick to Very ThickPavilion 42.59°Culet: NoneDepth 60.9%

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 2
Current: $12,145 CAD|Low: $6,537 CAD|High: $12,329 CAD|Avg: $8,216 CAD|-1.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 10$6,537 CAD
Retailer 2$6,794 CAD
Retailer 8$6,819 CAD
Retailer 3$7,113 CAD
Retailer 6$7,261 CAD
Retailer 9$7,261 CAD
Retailer 11$7,431 CAD
Retailer 7$7,434 CAD
Retailer 12$7,960 CAD
Retailer 4$8,471 CAD
Retailer 5$11,566 CAD
NZ Jewellers$12,145 CAD

35 data points across 12 retailers

9 retailers$6,537 CAD to $12,145 CAD

A
Cheapest Retailer
-
$6,537 CAD
$4,678 USD
A
Retailer 2
-
$6,794 CAD
£3,828 GBP
View
A
Retailer 3
-
$6,819 CAD
$4,880 USD
View
A
Retailer 4
-
$7,261 CAD
$5,196 USD
View
B+
Retailer 5
-
$7,261 CAD
$5,196 USD
View
Retailer 6
-
$7,431 CAD
A$8,182 AUD
View
Price last confirmed 24 days ago
B+
Retailer 7
-
$7,434 CAD
$5,320 USD
View
B
Retailer 8
-
$11,566 CAD
£6,517 GBP
View
Most Expensive
B
NZ Jewellers
92849da8-4f48-4f96-9700-94ee609a272c · Oct 30
$12,145 CAD
$8,691 USD
View
8 more retailers have this diamond
Prices start from $6,537 CADSave up to $5,608 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
$6,537 CAD