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Heart|Natural|GIA

1.70ct J SI1 Heart Natural Diamond

EX • J/SI1 • GIA 1559659348

Certificate GIA 1559659348

Diamond specifications and retailer prices

From $6,169 CAD
HK$34,500 HKD
As of November 2, 2026
Save $6,014 CAD (49%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $13,831 CAD at NZ Jewellers · As of October 18, 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 1559659348. Listed at 19 retailers as of November 1, 2026, with a 97% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1559659348
Dimensions7.66 × 8.51 × 4.70 mm
L/W Ratio1.11
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Cloud, Feather, Crystal, Needle, Natural
Top View
7.66 mm8.51 mm1.70 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1559659348
Side View
Table 64.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 55.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $6,550 CAD|Low: $6,151 CAD|High: $12,330 CAD|Avg: $8,207 CAD|-2.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 4$6,169 CAD
Retailer 1$6,550 CAD
Retailer 3$7,072 CAD
Retailer 2$7,294 CAD
Retailer 7$7,594 CAD
Retailer 8$8,026 CAD
Retailer 11$8,314 CAD
Retailer 6$8,446 CAD
Retailer 5$8,988 CAD
Retailer 10$10,160 CAD
Retailer 9$12,182 CAD

31 data points across 11 retailers

19 retailers$6,169 CAD to $12,182 CAD

B+
Cheapest Retailer
-
$6,169 CAD
HK$34,500 HKD
B+
Retailer 2
-
$6,550 CAD
₹446,554 INR
View
B
Retailer 3
-
$7,072 CAD
SGD 6,841 SGD
View
B+
Retailer 4
-
$7,294 CAD
SGD 7,056 SGD
View
B+
Retailer 5
-
$7,584 CAD
$5,429 USD
View
B+
Retailer 6
-
$7,585 CAD
$5,430 USD
View
B+
Retailer 7
-
$7,594 CAD
$5,436 USD
View
Final sale: no returns
B
Retailer 8
-
$7,943 CAD
A$8,748 AUD
View
B+
Retailer 9
-
$8,026 CAD
£4,524 GBP
View
Retailer 10
-
$8,270 CAD
$5,920 USD
View
Price last confirmed 17 days ago
Retailer 11
-
$8,270 CAD
$5,920 USD
View
Price last confirmed 15 days ago
Retailer 12
-
$8,270 CAD
$5,920 USD
View
Price last confirmed 16 days ago
Retailer 13
-
$8,314 CAD
A$9,157 AUD
View
Price last confirmed 14 days ago
B
Retailer 14
-
$8,446 CAD
$6,046 USD
View
B
Retailer 15
-
$8,988 CAD
€6,128 EUR
View
Retailer 16
-
$9,542 CAD
$6,831 USD
View
Price last confirmed 14 days ago
B
Retailer 17
-
$10,160 CAD
ZAR 117,501 ZAR
View
B
Retailer 18
-
$12,182 CAD
£6,867 GBP
View
Most Expensive
NZ Jewellers
a3545e9c-b1bf-415c-98b7-4ec2331e6c66 · Oct 18
$13,831 CAD
$9,901 USD
View
Price last confirmed 15 days ago
18 more retailers have this diamond
Prices start from $6,169 CADSave up to $6,014 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
$6,169 CAD