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Heart|Natural|GIA

1.70ct J SI1 Heart Natural Diamond

VG • J/SI1 • GIA 6431422487

Certificate GIA 6431422487

Diamond specifications and retailer prices

From HK$32,392 HKD
As of November 6, 2026
Save HK$34,680 HKD (52%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: HK$67,072 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 very-good cut grade stated by the retailer rather than the lab and certified by GIA 6431422487. Listed at 20 retailers as of November 5, 2026, with prices from HK$32,392 to HK$67,072, a HK$34,680 spread on the same certified stone. NZ Jewellers lists it at HK$67,072. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.70
Carat
J
Colour
SI1
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishVery Good
SymmetryExcellent
FluorescenceFaint
Crown angle40.7°
Pavilion angle41.9°
OriginNatural
Grading LabGIA
CertificateGIA 6431422487
Dimensions8.06 × 7.23 × 4.33 mm
L/W Ratio1.11
Top View
8.06 mm7.23 mm1.70 ctJ / SI1
OriginNatural
CutVery Good
PolishVery Good
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6431422487
Side View
Table 56.0%Crown 40.7°Girdle: STK-ETKPavilion 41.9°Culet: NoneDepth 59.9%

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 6
Current: HK$67,072 HKD|Low: HK$32,235 HKD|High: HK$67,072 HKD|Avg: HK$41,476 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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 7, 2026
Retailer 5HK$32,392 HKD
Retailer 17HK$32,415 HKD
Retailer 7HK$35,535 HKD
Retailer 6HK$36,248 HKD
Retailer 12HK$37,079 HKD
Retailer 15HK$37,910 HKD
Retailer 3HK$38,497 HKD
Retailer 4HK$38,497 HKD
Retailer 19HK$38,497 HKD
Retailer 8HK$38,811 HKD
Retailer 9HK$39,328 HKD
Retailer 11HK$39,681 HKD
Retailer 10HK$40,676 HKD
Retailer 13HK$40,903 HKD
Retailer 18HK$44,422 HKD
Retailer 16HK$46,970 HKD
Retailer 2HK$48,443 HKD
Retailer 14HK$60,991 HKD
NZ JewellersHK$67,072 HKD

32 data points across 19 retailers

20 retailersHK$32,392 HKD to HK$67,072 HKD

B+
Cheapest Retailer
-
HK$32,392 HKD
B+
Retailer 2
-
HK$32,415 HKD
View
B+
Retailer 3
-
HK$33,575 HKD
View
B+
Retailer 4
-
HK$35,535 HKD
View
Final sale: no returns
B+
Retailer 5
-
HK$36,248 HKD
View
B+
Retailer 6
-
HK$37,079 HKD
View
B+
Retailer 7
-
HK$37,910 HKD
View
B
Retailer 8
-
HK$38,497 HKD
View
B
Retailer 9
-
HK$38,497 HKD
View
Retailer 10
-
HK$38,497 HKD
View
Price last confirmed 13 days ago
Retailer 11
-
HK$38,811 HKD
View
Price last confirmed 29 days ago
B
Retailer 12
-
HK$39,328 HKD
View
B
Retailer 13
-
HK$39,681 HKD
View
B
Retailer 14
-
HK$40,676 HKD
View
B
Retailer 15
-
HK$40,903 HKD
View
B
Retailer 16
-
HK$44,422 HKD
View
B
Retailer 17
-
HK$46,970 HKD
View
Retailer 18
-
HK$48,443 HKD
View
B
Retailer 19
-
HK$60,991 HKD
View
Most Expensive
C
NZ Jewellers
9be0e4a2-93b6-416f-97c9-bfaaaf15adb7 · Nov 5
HK$67,072 HKD
$8,558 USD
View
19 more retailers have this diamond
Prices start from HK$32,392 HKDSave up to HK$34,680 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$32,392 HKD