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Heart|Natural|GIA

1.70ct J SI1 Heart Natural Diamond

EX • J/SI1 • GIA 1529474214

Certificate GIA 1529474214

Diamond specifications and retailer prices

From HK$41,084 HKD
As of November 4, 2026
Save HK$30,056 HKD (42%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$81,203 HKD at NZ Jewellers · As of October 6, 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 1529474214. Listed at 16 retailers as of November 4, 2026, with a 73% 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
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.1°
Pavilion angle41.28°
OriginNatural
Grading LabGIA
CertificateGIA 1529474214
Dimensions6.96 × 8.05 × 4.93 mm
L/W Ratio1.16
Culet sizePointed
Key to symbols
Twinning Wisp
Top View
6.96 mm8.05 mm1.70 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1529474214
Side View
Table 59.0%Crown 39.1°Girdle: VTK-VTKPavilion 41.28°Culet: NoneDepth 61.2%

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 4
Current: HK$81,203 HKD|Low: HK$41,076 HKD|High: HK$81,203 HKD|Avg: HK$52,070 HKD
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
November 7, 2026
Retailer 5HK$41,084 HKD
Retailer 4HK$42,345 HKD
Retailer 11HK$44,814 HKD
Retailer 13HK$45,183 HKD
Retailer 8HK$46,241 HKD
Retailer 9HK$46,460 HKD
Retailer 14HK$48,553 HKD
Retailer 12HK$49,752 HKD
Retailer 6HK$50,167 HKD
Retailer 2HK$51,539 HKD
Retailer 3HK$56,022 HKD
Retailer 10HK$59,235 HKD
Retailer 7HK$71,140 HKD
NZ JewellersHK$81,203 HKD

38 data points across 14 retailers

16 retailersHK$41,084 HKD to HK$71,140 HKD

B+
Cheapest Retailer
-
HK$41,084 HKD
B
Retailer 2
-
HK$42,345 HKD
View
B+
Retailer 3
-
HK$44,814 HKD
View
Final sale: no returns
B+
Retailer 4
-
HK$45,183 HKD
View
B+
Retailer 5
-
HK$46,241 HKD
View
B+
Retailer 6
-
HK$46,460 HKD
View
Retailer 7
-
HK$48,553 HKD
View
Price last confirmed 30 days ago
Retailer 8
-
HK$48,553 HKD
View
Price last confirmed 31 days ago
B
Retailer 9
-
HK$49,752 HKD
View
Retailer 10
-
HK$50,167 HKD
View
Price last confirmed 34 days ago
Retailer 11
-
HK$50,481 HKD
View
Price last confirmed 37 days ago
B
Retailer 12
-
HK$51,539 HKD
View
Retailer 13
-
HK$56,022 HKD
View
Price last confirmed 29 days ago
B
Retailer 14
-
HK$59,235 HKD
View
B
Retailer 15
-
HK$71,140 HKD
View
Most Expensive
NZ Jewellers
49f3b747-36dc-4e22-8659-c3a39488ed05 · Oct 6
HK$81,203 HKD
$10,361 USD
View
Price last confirmed 31 days ago
15 more retailers have this diamond
Prices start from HK$41,084 HKDSave up to HK$30,056 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$41,084 HKD