Heart|Natural|GIA

1.70ct J SI1 Heart Natural Diamond

EX • J/SI1

Diamond specifications and retailer prices

From $4,840 USD
CA$6,723 CAD
As of October 30, 2026
Save $4,283 USD (47%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $9,123 USD 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 17 retailers as of October 30, 2026, with prices from $4,840 to $9,123, a $4,283 spread on the same certified stone. NZ Jewellers lists it at $9,123. 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

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $9,123 USD|Low: $4,840 USD|High: $9,123 USD|Avg: $5,601 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 2$4,840 USD
Retailer 6$4,942 USD
Retailer 8$4,942 USD
Retailer 9$4,942 USD
Retailer 4$5,065 USD
Retailer 3$5,248 USD
Retailer 5$5,440 USD
Retailer 7$5,702 USD
NZ Jewellers$9,123 USD

36 data points across 9 retailers

17 retailers$4,840 USD to $9,123 USD

B
Cheapest Retailer
-
$4,840 USD
CA$6,723 CAD
B
Retailer 2
-
$4,840 USD
CA$6,723 CAD
View
Retailer 3
-
$4,942 USD
View
Price last confirmed 33 days ago
B
Retailer 4
-
$4,942 USD
View
Retailer 5
-
$4,942 USD
View
Price last confirmed 32 days ago
B
Retailer 6
-
$4,942 USD
View
B
Retailer 7
-
$4,942 USD
View
B
Retailer 8
-
$5,065 USD
View
B
Retailer 9
-
$5,065 USD
View
B
Retailer 10
-
$5,248 USD
£4,133 GBP
View
B
Retailer 11
-
$5,440 USD
View
B
Retailer 12
-
$5,440 USD
View
Retailer 13
-
$5,702 USD
View
Price last confirmed 57 days ago
B
Retailer 14
-
$5,702 USD
View
Retailer 15
-
$5,702 USD
View
Price last confirmed 34 days ago
Retailer 16
-
$9,123 USD
View
Price last confirmed 33 days ago
Most Expensive
C
NZ Jewellers
4ac71049-29d8-470d-b9d1-413b2e6939f0 · Oct 30
$9,123 USD
View
16 more retailers have this diamond
Prices start from $4,840 USDSave up to $4,283 USD

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
$4,840 USD