Heart|Natural|GIA

1.70ct J SI1 Heart Natural Diamond

EX • J/SI1

Diamond specifications and retailer prices

From $6,762 CAD
As of October 30, 2026
Save $5,982 CAD (47%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $12,744 CAD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.7ct natural heart diamond

This 1.7ct natural heart sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA. Listed at 16 retailers as of October 30, 2026, with prices from $6,762 to $12,744, a $5,982 spread on the same certified stone. NZ Jewellers lists it at $12,744. 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

1.70
Carat
J
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishGood
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
Dimensions6.82 × 8.01 × 5.07 mm
L/W Ratio1.17
Top View
6.82 mm8.01 mm1.70 ctJ / SI1
OriginNatural
CutExcellent
PolishGood
SymmetryGood
FluorescenceNone
CertificateGIA
Side View
Table 56.0%CrownGirdle: ThinPavilionCuletDepth 63.3%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $12,744 CAD|Low: $6,762 CAD|High: $12,744 CAD|Avg: $7,825 CAD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 9$6,762 CAD
Retailer 5$6,903 CAD
Retailer 7$6,903 CAD
Retailer 8$6,903 CAD
Retailer 3$7,075 CAD
Retailer 2$7,331 CAD
Retailer 4$7,599 CAD
Retailer 6$7,965 CAD
NZ Jewellers$12,744 CAD

36 data points across 9 retailers

16 retailers$6,762 CAD to $12,744 CAD

B
Cheapest Retailer
-
$6,762 CAD
Retailer 2
-
$6,903 CAD
$4,942 USD
View
Price last confirmed 32 days ago
B
Retailer 3
-
$6,903 CAD
$4,942 USD
View
Retailer 4
-
$6,903 CAD
$4,942 USD
View
Price last confirmed 32 days ago
B
Retailer 5
-
$6,903 CAD
$4,942 USD
View
B
Retailer 6
-
$6,903 CAD
$4,942 USD
View
B
Retailer 7
-
$7,075 CAD
$5,065 USD
View
B
Retailer 8
-
$7,075 CAD
$5,065 USD
View
B
Retailer 9
-
$7,331 CAD
£4,133 GBP
View
B
Retailer 10
-
$7,599 CAD
$5,440 USD
View
B
Retailer 11
-
$7,599 CAD
$5,440 USD
View
Retailer 12
-
$7,965 CAD
$5,702 USD
View
Price last confirmed 56 days ago
B
Retailer 13
-
$7,965 CAD
$5,702 USD
View
Retailer 14
-
$7,965 CAD
$5,702 USD
View
Price last confirmed 33 days ago
Retailer 15
-
$12,744 CAD
$9,123 USD
View
Price last confirmed 32 days ago
Most Expensive
C
NZ Jewellers
4ac71049-29d8-470d-b9d1-413b2e6939f0 · Oct 30
$12,744 CAD
$9,123 USD
View
15 more retailers have this diamond
Prices start from $6,762 CADSave up to $5,982 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.

B
1.70ct Heart
$6,762 CAD