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Round|Natural|GIA

1.70ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 2454934135

Certificate GIA 2454934135

Diamond specifications and retailer prices

From HK$47,466 HKD
$6,050 USD
As of October 30, 2026
Save HK$59,259 HKD (56%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: HK$106,725 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 2454934135. Listed at 20 retailers as of October 30, 2026, with prices from HK$47,466 to HK$106,725, a HK$59,259 spread on the same certified stone. NZ Jewellers lists it at HK$106,725. 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
FluorescenceFaint
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2454934135
Dimensions7.62 × 7.58 × 4.79 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
7.62 mm7.58 mm1.70 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2454934135
Side View
Table 56.0%Crown 36.5°Girdle: THN-STKPavilion 41°Culet: NoneDepth 63.1%

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: Oct 30
Current: HK$106,725 HKD|Low: HK$44,469 HKD|High: HK$106,725 HKD|Avg: HK$63,103 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
October 31, 2026
Retailer 13HK$47,466 HKD
Retailer 10HK$47,976 HKD
Retailer 14HK$53,058 HKD
Retailer 3HK$53,366 HKD
Retailer 11HK$53,366 HKD
Retailer 7HK$53,806 HKD
Retailer 5HK$57,807 HKD
Retailer 12HK$58,702 HKD
Retailer 2HK$59,792 HKD
Retailer 15HK$61,055 HKD
Retailer 8HK$66,027 HKD
Retailer 4HK$66,704 HKD
Retailer 6HK$70,290 HKD
Retailer 9HK$89,407 HKD
NZ JewellersHK$106,725 HKD

40 data points across 15 retailers

20 retailersHK$47,466 HKD to HK$106,725 HKD

B
Cheapest Retailer
-
HK$47,466 HKD
$6,050 USD
B
Retailer 2
-
HK$47,976 HKD
$6,115 USD
View
B
Retailer 3
-
HK$48,196 HKD
$6,143 USD
View
B+
Retailer 4
-
HK$49,620 HKD
A$9,730 AUD
View
B+
Retailer 5
-
HK$50,424 HKD
$6,427 USD
View
B
Retailer 6
-
HK$53,058 HKD
CA$9,393 CAD
View
B
Retailer 7
-
HK$53,366 HKD
$6,802 USD
View
B
Retailer 8
-
HK$53,366 HKD
$6,802 USD
View
Final sale: no returns
B
Retailer 9
-
HK$57,807 HKD
$7,368 USD
View
B
Retailer 10
-
HK$58,702 HKD
$7,482 USD
View
B
Retailer 11
-
HK$59,792 HKD
£6,001 GBP
View
B
Retailer 12
-
HK$61,055 HKD
$7,782 USD
View
B
Retailer 13
-
HK$63,864 HKD
$8,140 USD
View
B
Retailer 14
-
HK$63,864 HKD
$8,140 USD
View
B
Retailer 15
-
HK$65,982 HKD
$8,410 USD
View
B
Retailer 16
-
HK$66,027 HKD
€8,015 EUR
View
B
Retailer 17
-
HK$66,704 HKD
$8,502 USD
View
Retailer 18
-
HK$70,290 HKD
$8,959 USD
View
Price last confirmed 8 days ago
B
Retailer 19
-
HK$89,407 HKD
£8,973 GBP
View
Most Expensive
B
NZ Jewellers
1772f783-3abb-4080-beaa-237e39d46ab9 · Oct 30
HK$106,725 HKD
$13,603 USD
View
19 more retailers have this diamond
Prices start from HK$47,466 HKDSave up to HK$59,259 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$47,466 HKD