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Heart|Natural|GIA

1.70ct J SI1 Heart Natural Diamond

EX • J/SI1

Diamond specifications and retailer prices

From HK$37,933 HKD
As of November 5, 2026
Save HK$33,568 HKD (47%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$71,501 HKD at NZ Jewellers · As of November 5, 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 November 5, 2026, with prices from HK$37,933 to HK$71,501, a HK$33,568 spread on the same certified stone. NZ Jewellers lists it at HK$71,501. 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
Colour
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: Nov 5
Current: HK$71,501 HKD|Low: HK$37,933 HKD|High: HK$71,501 HKD|Avg: HK$43,886 HKD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 3HK$37,933 HKD
Retailer 6HK$38,732 HKD
Retailer 8HK$38,732 HKD
Retailer 9HK$38,732 HKD
Retailer 4HK$39,696 HKD
Retailer 2HK$40,911 HKD
Retailer 5HK$42,635 HKD
Retailer 7HK$44,689 HKD
NZ JewellersHK$71,501 HKD

39 data points across 9 retailers

17 retailersHK$37,933 HKD to HK$71,501 HKD

Retailer 1
-
HK$37,933 HKD
Price last confirmed 8 days ago
B
Retailer 2
-
HK$37,933 HKD
View
Retailer 3
-
HK$38,732 HKD
View
Price last confirmed 37 days ago
B
Retailer 4
-
HK$38,732 HKD
View
Retailer 5
-
HK$38,732 HKD
View
Price last confirmed 37 days ago
B
Retailer 6
-
HK$38,732 HKD
View
Retailer 7
-
HK$38,732 HKD
View
Price last confirmed 9 days ago
Retailer 8
-
HK$39,696 HKD
View
Price last confirmed 9 days ago
B
Retailer 9
-
HK$39,696 HKD
View
B
Retailer 10
-
HK$40,911 HKD
View
Retailer 11
-
HK$42,635 HKD
View
Price last confirmed 9 days ago
B
Retailer 12
-
HK$42,635 HKD
View
Retailer 13
-
HK$44,689 HKD
View
Price last confirmed 62 days ago
B
Retailer 14
-
HK$44,689 HKD
View
Retailer 15
-
HK$44,689 HKD
View
Price last confirmed 39 days ago
Retailer 16
-
HK$71,501 HKD
View
Price last confirmed 38 days ago
Most Expensive
C
NZ Jewellers
4ac71049-29d8-470d-b9d1-413b2e6939f0 · Nov 5
HK$71,501 HKD
$9,123 USD
View
16 more retailers have this diamond
Prices start from HK$37,933 HKDSave up to HK$33,568 HKD

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
HK$37,933 HKD