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Round|Natural|GIA

1.70ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 6542939271

Certificate GIA 6542939271

Diamond specifications and retailer prices

From HK$35,723 HKD
$4,553 USD
As of November 1, 2026
Save HK$42,063 HKD (54%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$77,786 HKD at NZ Jewellers · As of November 2, 2026
View at NZ Jewellers

About this 1.7ct natural round diamond

This 1.7ct natural round sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6542939271. Listed at 18 retailers as of November 1, 2026, with prices from HK$35,723 to HK$77,786, a HK$42,063 spread on the same certified stone. NZ Jewellers lists it at HK$77,786. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6542939271
Dimensions7.65 × 7.69 × 4.69 mm
L/W Ratio1.01
Top View
7.65 mm7.69 mm1.70 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6542939271
Side View
Table 58.0%Crown 34.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.1%

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 1
Current: HK$77,786 HKD|Low: HK$31,094 HKD|High: HK$77,786 HKD|Avg: HK$45,664 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
Retailer 20
Retailer 21
Retailer 22
November 2, 2026
Retailer 15HK$32,834 HKD
Retailer 21HK$35,723 HKD
Retailer 7HK$36,751 HKD
Retailer 19HK$38,885 HKD
Retailer 14HK$39,210 HKD
Retailer 17HK$39,215 HKD
Retailer 3HK$40,636 HKD
Retailer 9HK$41,668 HKD
Retailer 11HK$41,718 HKD
Retailer 8HK$42,134 HKD
Retailer 10HK$42,134 HKD
Retailer 22HK$42,134 HKD
Retailer 2HK$45,070 HKD
Retailer 5HK$46,292 HKD
Retailer 18HK$46,292 HKD
Retailer 20HK$47,861 HKD
Retailer 6HK$48,614 HKD
Retailer 16HK$49,521 HKD
Retailer 4HK$51,306 HKD
Retailer 12HK$54,562 HKD
Retailer 13HK$68,516 HKD
NZ JewellersHK$77,786 HKD

34 data points across 22 retailers

18 retailersHK$35,723 HKD to HK$77,786 HKD

B+
Cheapest Retailer
-
HK$35,723 HKD
$4,553 USD
B+
Retailer 2
-
HK$36,696 HKD
$4,677 USD
View
B+
Retailer 3
-
HK$36,751 HKD
$4,684 USD
View
B+
Retailer 4
-
HK$38,885 HKD
$4,956 USD
View
Final sale: no returns
B+
Retailer 5
-
HK$39,215 HKD
$4,998 USD
View
B+
Retailer 6
-
HK$41,668 HKD
$5,311 USD
View
B+
Retailer 7
-
HK$42,134 HKD
$5,370 USD
View
B+
Retailer 8
-
HK$42,134 HKD
$5,370 USD
View
B+
Retailer 9
-
HK$42,134 HKD
$5,370 USD
View
B+
Retailer 10
-
HK$45,070 HKD
£4,523 GBP
View
B
Retailer 11
-
HK$46,292 HKD
$5,900 USD
View
B
Retailer 12
-
HK$46,292 HKD
$5,900 USD
View
B
Retailer 13
-
HK$47,861 HKD
$6,100 USD
View
B+
Retailer 14
-
HK$48,614 HKD
$6,196 USD
View
B+
Retailer 15
-
HK$49,521 HKD
€6,011 EUR
View
Retailer 16
-
HK$51,306 HKD
$6,539 USD
View
Price last confirmed 18 days ago
B
Retailer 17
-
HK$68,516 HKD
£6,876 GBP
View
Most Expensive
B
NZ Jewellers
5b1d2f17-7e90-48fd-948f-8d3661705a0b · Nov 2
HK$77,786 HKD
$9,914 USD
View
17 more retailers have this diamond
Prices start from HK$35,723 HKDSave up to HK$42,063 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 Round
HK$35,723 HKD