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Heart|Natural|GIA

1.51ct F SI1 Heart Natural Diamond

EX • F/SI1 • GIA 1555675433

Certificate GIA 1555675433

Diamond specifications and retailer prices

From $4,490 CAD
HK$25,100 HKD
As of November 1, 2026
Save $5,981 CAD (57%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $10,471 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 1555675433. Listed at 20 retailers as of October 30, 2026, with prices from $4,490 to $10,471, a $5,981 spread on the same certified stone. NZ Jewellers lists it at $10,471. 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
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 1555675433
Dimensions7.11 × 7.65 × 4.81 mm
L/W Ratio1.08
Top View
7.11 mm7.65 mm1.51 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 1555675433
Side View
Table 54.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 62.9%

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 1
Current: $10,471 CAD|Low: $4,454 CAD|High: $10,870 CAD|Avg: $6,479 CAD|-3.7%
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 2, 2026
Retailer 16$4,490 CAD
Retailer 5$5,131 CAD
Retailer 9$5,288 CAD
Retailer 6$5,379 CAD
Retailer 10$5,548 CAD
Retailer 2$5,623 CAD
Retailer 8$5,663 CAD
Retailer 4$5,701 CAD
Retailer 3$6,010 CAD
Retailer 17$6,010 CAD
Retailer 19$6,010 CAD
Retailer 13$6,148 CAD
Retailer 7$6,357 CAD
Retailer 11$6,655 CAD
Retailer 12$6,799 CAD
Retailer 18$6,935 CAD
Retailer 15$7,388 CAD
Retailer 14$9,573 CAD
NZ Jewellers$10,471 CAD

27 data points across 19 retailers

20 retailers$4,490 CAD to $10,471 CAD

A
Cheapest Retailer
-
$4,490 CAD
HK$25,100 HKD
A
Retailer 2
-
$5,131 CAD
$3,672 USD
View
A
Retailer 3
-
$5,288 CAD
$3,784 USD
View
A
Retailer 4
-
$5,379 CAD
$3,849 USD
View
A
Retailer 5
-
$5,548 CAD
$3,970 USD
View
Final sale: no returns
A
Retailer 6
-
$5,623 CAD
£3,168 GBP
View
Retailer 7
-
$5,663 CAD
SGD 5,476 SGD
View
Price last confirmed 7 days ago
A
Retailer 8
-
$5,701 CAD
$4,080 USD
View
A
Retailer 9
-
$6,010 CAD
$4,301 USD
View
A
Retailer 10
-
$6,010 CAD
$4,301 USD
View
A
Retailer 11
-
$6,010 CAD
$4,301 USD
View
Retailer 12
-
$6,010 CAD
$4,301 USD
View
Price last confirmed 17 days ago
A
Retailer 13
-
$6,148 CAD
£3,464 GBP
View
A
Retailer 14
-
$6,357 CAD
$4,549 USD
View
Retailer 15
-
$6,655 CAD
A$7,327 AUD
View
Price last confirmed 24 days ago
A
Retailer 16
-
$6,799 CAD
€4,634 EUR
View
A
Retailer 17
-
$6,935 CAD
$4,963 USD
View
B+
Retailer 18
-
$7,388 CAD
ZAR 85,406 ZAR
View
B+
Retailer 19
-
$9,573 CAD
£5,394 GBP
View
Most Expensive
B+
NZ Jewellers
75921cc3-57e0-4f48-9a25-f38bd2c9e6a6 · Oct 30
$10,471 CAD
$7,493 USD
View
19 more retailers have this diamond
Prices start from $4,490 CADSave up to $5,981 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
$4,490 CAD