Round|Natural|GIA

1.70ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 3515598560

Certificate GIA 3515598560

Diamond specifications and retailer prices

From HK$43,261 HKD
$5,514 USD
As of October 30, 2026
Save HK$37,836 HKD (47%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: HK$91,575 HKD at NZ Jewellers · As of October 20, 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 3515598560. Listed at 24 retailers as of October 29, 2026, with a 87% 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 3515598560
Dimensions7.69 × 7.65 × 4.72 mm
L/W Ratio1.01
Star length50%
Top View
7.69 mm7.65 mm1.70 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3515598560
Side View
Table 58.0%Crown 34°Girdle: ThickPavilion 41.4°Culet: NoneDepth 61.6%

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$59,832 HKD|Low: HK$41,967 HKD|High: HK$81,635 HKD|Avg: HK$54,841 HKD|+3.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 6HK$44,226 HKD
Retailer 7HK$45,788 HKD
Retailer 9HK$46,172 HKD
Retailer 2HK$48,870 HKD
Retailer 5HK$49,601 HKD
Retailer 3HK$52,158 HKD
Retailer 1HK$59,832 HKD
Retailer 8HK$60,349 HKD
Retailer 10HK$65,277 HKD
Retailer 4HK$81,097 HKD

36 data points across 10 retailers

24 retailersHK$43,261 HKD to HK$81,097 HKD

B+
Cheapest Retailer
-
HK$43,261 HKD
$5,514 USD
B+
Retailer 2
-
HK$44,226 HKD
$5,637 USD
View
B+
Retailer 3
-
HK$45,788 HKD
$5,836 USD
View
Final sale: no returns
B+
Retailer 4
-
HK$48,870 HKD
$6,229 USD
View
Retailer 5
-
HK$49,601 HKD
$6,322 USD
View
Price last confirmed 43 days ago
B+
Retailer 6
-
HK$49,601 HKD
$6,322 USD
View
Retailer 7
-
HK$49,601 HKD
$6,322 USD
View
Price last confirmed 15 days ago
Retailer 8
-
HK$49,601 HKD
$6,322 USD
View
Price last confirmed 23 days ago
Retailer 9
-
HK$49,601 HKD
$6,322 USD
View
Price last confirmed 32 days ago
Retailer 10
-
HK$49,601 HKD
$6,322 USD
View
Price last confirmed 9 days ago
B+
Retailer 11
-
HK$52,158 HKD
£5,235 GBP
View
B
Retailer 12
-
HK$53,037 HKD
$6,760 USD
View
B
Retailer 13
-
HK$53,037 HKD
$6,760 USD
View
B
Retailer 14
-
HK$54,841 HKD
$6,990 USD
View
Retailer 15
-
HK$57,234 HKD
$7,295 USD
View
Price last confirmed 22 days ago
Retailer 16
-
HK$57,234 HKD
$7,295 USD
View
Price last confirmed 39 days ago
Retailer 17
-
HK$57,234 HKD
$7,295 USD
View
Price last confirmed 10 days ago
B
Retailer 18
-
HK$57,234 HKD
$7,295 USD
View
B
Retailer 19
-
HK$59,832 HKD
€7,263 EUR
View
Retailer 20
-
HK$60,349 HKD
$7,692 USD
View
Price last confirmed 16 days ago
B
Retailer 21
-
HK$81,097 HKD
£8,139 GBP
View
Retailer 22
-
HK$91,575 HKD
$11,672 USD
View
Price last confirmed 41 days ago
Retailer 23
-
HK$91,575 HKD
$11,672 USD
View
Price last confirmed 34 days ago
Most Expensive
NZ Jewellers
b4ae3efc-6d45-444a-9a24-6e8e8b9a0d18 · Oct 20
HK$91,575 HKD
$11,672 USD
View
Price last confirmed 11 days ago
23 more retailers have this diamond
Prices start from HK$43,261 HKDSave up to HK$37,836 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$43,261 HKD