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1.70ct M SI2 Round Natural Diamond

EX • M/SI2 • HRD 250000152531

Certificate HRD 250000152531

Diamond specifications and retailer prices

From HK$18,930 HKD
As of November 5, 2026
Save HK$20,649 HKD (52%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: HK$39,579 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 M colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by HRD 250000152531. Listed at 6 retailers as of November 5, 2026, with prices from HK$18,930 to HK$39,579, a HK$20,649 spread on the same certified stone. NZ Jewellers lists it at HK$39,579. 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
M
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle35.9°
Pavilion angle41°
OriginNatural
Grading LabHRD
CertificateHRD 250000152531
Dimensions7.62 × 7.56 × 4.72 mm
L/W Ratio1.01
Star length50%
Culet sizePointed
Top View
7.62 mm7.56 mm1.70 ctM / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateHRD 250000152531
Side View
Table 59.0%Crown 35.9°Girdle: MediumPavilion 41°Culet: NoneDepth 62.2%

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$39,579 HKD|Low: HK$17,361 HKD|High: HK$39,579 HKD|Avg: HK$22,619 HKD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 7HK$17,361 HKD
Retailer 3HK$18,930 HKD
Retailer 5HK$18,930 HKD
Retailer 6HK$19,809 HKD
Retailer 4HK$21,841 HKD
Retailer 2HK$23,457 HKD
NZ JewellersHK$39,579 HKD

22 data points across 7 retailers

6 retailersHK$18,930 HKD to HK$39,579 HKD

A
Cheapest Retailer
-
HK$18,930 HKD
Retailer 2
-
HK$18,930 HKD
View
Price last confirmed 8 days ago
B+
Retailer 3
-
HK$19,809 HKD
View
B+
Retailer 4
-
HK$21,841 HKD
View
B+
Retailer 5
-
HK$23,457 HKD
View
Most Expensive
B
NZ Jewellers
6ba448e5-a21f-411e-b61a-b370e27ee989 · Nov 5
HK$39,579 HKD
$5,045 USD
View
5 more retailers have this diamond
Prices start from HK$18,930 HKDSave up to HK$20,649 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$18,930 HKD