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Round|Natural|GIA

1.70ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 2547477959

Certificate GIA 2547477959

Diamond specifications and retailer prices

From HK$40,327 HKD
$5,140 USD
As of October 30, 2026
Save HK$51,248 HKD (56%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$91,575 HKD at NZ Jewellers · As of October 30, 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 2547477959. Listed at 19 retailers as of October 30, 2026, with prices from HK$40,327 to HK$91,575, a HK$51,248 spread on the same certified stone. NZ Jewellers lists it at HK$91,575. 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 angle35°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 2547477959
Dimensions7.57 × 7.62 × 4.77 mm
L/W Ratio1.01
Top View
7.57 mm7.62 mm1.70 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2547477959
Side View
Table 58.0%Crown 35°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 62.8%

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: Oct 30
Current: HK$91,575 HKD|Low: HK$39,927 HKD|High: HK$91,575 HKD|Avg: HK$56,888 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
October 30, 2026
Retailer 3HK$40,327 HKD
Retailer 18HK$43,261 HKD
Retailer 17HK$45,788 HKD
Retailer 16HK$46,172 HKD
Retailer 4HK$49,601 HKD
Retailer 6HK$49,601 HKD
Retailer 19HK$49,601 HKD
Retailer 13HK$50,511 HKD
Retailer 12HK$52,158 HKD
Retailer 9HK$55,155 HKD
Retailer 11HK$55,155 HKD
Retailer 2HK$56,570 HKD
Retailer 10HK$57,038 HKD
Retailer 5HK$57,234 HKD
Retailer 7HK$60,349 HKD
Retailer 8HK$65,277 HKD
Retailer 15HK$79,373 HKD
Retailer 14HK$81,097 HKD
NZ JewellersHK$91,575 HKD

38 data points across 19 retailers

19 retailersHK$40,327 HKD to HK$91,575 HKD

B+
Cheapest Retailer
-
HK$40,327 HKD
$5,140 USD
B+
Retailer 2
-
HK$43,261 HKD
$5,514 USD
View
B+
Retailer 3
-
HK$44,951 HKD
A$8,814 AUD
View
B
Retailer 4
-
HK$45,788 HKD
$5,836 USD
View
Final sale: no returns
Retailer 5
-
HK$46,172 HKD
$5,885 USD
View
Price last confirmed 20 days ago
B
Retailer 6
-
HK$49,601 HKD
$6,322 USD
View
B
Retailer 7
-
HK$49,601 HKD
$6,322 USD
View
B
Retailer 8
-
HK$49,601 HKD
$6,322 USD
View
B
Retailer 9
-
HK$50,511 HKD
$6,438 USD
View
B+
Retailer 10
-
HK$52,158 HKD
£5,235 GBP
View
B
Retailer 11
-
HK$55,155 HKD
$7,030 USD
View
B
Retailer 12
-
HK$55,155 HKD
$7,030 USD
View
B
Retailer 13
-
HK$56,570 HKD
€6,867 EUR
View
B
Retailer 14
-
HK$57,038 HKD
$7,270 USD
View
B
Retailer 15
-
HK$57,234 HKD
$7,295 USD
View
Retailer 16
-
HK$60,349 HKD
$7,692 USD
View
Price last confirmed 8 days ago
B
Retailer 17
-
HK$79,373 HKD
$10,117 USD
View
B
Retailer 18
-
HK$81,097 HKD
£8,139 GBP
View
Most Expensive
B
NZ Jewellers
758745ed-4b3c-4bed-805f-eed29e38d974 · Oct 30
HK$91,575 HKD
$11,672 USD
View
18 more retailers have this diamond
Prices start from HK$40,327 HKDSave up to HK$51,248 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$40,327 HKD