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Round|Natural|GIA

1.70ct N SI1 Round Natural Diamond

EX • N/SI1 • GIA 3355486809

Certificate GIA 3355486809

Diamond specifications and retailer prices

From HK$19,417 HKD
As of November 5, 2026
Save HK$21,512 HKD (53%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: HK$40,928 HKD at NZ Jewellers · As of November 5, 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 N colour (tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 3355486809. Listed at 9 retailers as of November 5, 2026, with prices from HK$19,417 to HK$40,928, a HK$21,512 spread on the same certified stone. NZ Jewellers lists it at HK$40,928. 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
N
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 3355486809
Dimensions7.57 × 7.62 × 4.78 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
7.57 mm7.62 mm1.70 ctN / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3355486809
Side View
Table 55.0%Crown 36°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: HK$40,928 HKD|Low: HK$17,024 HKD|High: HK$100,944 HKD|Avg: HK$35,939 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
November 5, 2026
Retailer 4HK$17,024 HKD
Retailer 6HK$19,417 HKD
Retailer 8HK$19,574 HKD
Retailer 10HK$19,574 HKD
Retailer 7HK$20,484 HKD
Retailer 11HK$20,672 HKD
Retailer 9HK$22,586 HKD
Retailer 5HK$23,889 HKD
Retailer 2HK$24,250 HKD
NZ JewellersHK$40,928 HKD
Retailer 12HK$98,041 HKD
Retailer 3HK$100,944 HKD

23 data points across 12 retailers

9 retailersHK$19,417 HKD to HK$40,928 HKD

A
Cheapest Retailer
-
HK$19,417 HKD
Retailer 2
-
HK$19,574 HKD
View
Price last confirmed 8 days ago
A
Retailer 3
-
HK$19,574 HKD
View
A
Retailer 4
-
HK$20,484 HKD
View
A
Retailer 5
-
HK$20,672 HKD
View
B+
Retailer 6
-
HK$22,586 HKD
View
B+
Retailer 7
-
HK$23,889 HKD
View
B+
Retailer 8
-
HK$24,250 HKD
View
Most Expensive
B
NZ Jewellers
58dcfb40-8d1a-4ea1-9952-0c5823fadc06 · Nov 5
HK$40,928 HKD
$5,217 USD
View
8 more retailers have this diamond
Prices start from HK$19,417 HKDSave up to HK$21,512 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.

A
1.70ct Round
HK$19,417 HKD