CaratHunter
Plans
Oval|Natural|GIA

1.70ct M SI2 Oval Natural Diamond

M/SI2 • GIA 2557937165

Certificate GIA 2557937165

Diamond specifications and retailer prices

From HK$23,888 HKD
As of November 5, 2026
Save HK$17,728 HKD (43%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: HK$41,617 HKD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.7ct natural oval diamond

This 1.7ct natural oval sits in the one-and-a-half to two carat band, graded M colour (faint-tinted) and SI2 clarity (slightly-included) and certified by GIA 2557937165. Listed at 7 retailers as of November 5, 2026, with prices from HK$23,888 to HK$41,617, a HK$17,728 spread on the same certified stone. NZ Jewellers lists it at HK$41,617. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.70
Carat
M
Colour
SI2
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2557937165
Dimensions9.07 × 6.56 × 4.19 mm
L/W Ratio1.38
Culet sizeNone
Top View
9.07 mm6.56 mm1.70 ctM / SI2
OriginNatural
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2557937165
Side View
Table 61.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 64.0%

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: Nov 5
Current: HK$41,617 HKD|Low: HK$19,484 HKD|High: HK$45,998 HKD|Avg: HK$26,938 HKD|-9.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 8HK$19,562 HKD
Retailer 4HK$23,888 HKD
Retailer 6HK$23,888 HKD
Retailer 2HK$24,429 HKD
Retailer 7HK$24,805 HKD
Retailer 5HK$27,564 HKD
Retailer 3HK$27,948 HKD
NZ JewellersHK$41,617 HKD

29 data points across 8 retailers

7 retailersHK$23,888 HKD to HK$41,617 HKD

Retailer 1
-
HK$23,888 HKD
Price last confirmed 8 days ago
B+
Retailer 2
-
HK$23,888 HKD
View
B+
Retailer 3
-
HK$24,429 HKD
View
B+
Retailer 4
-
HK$24,805 HKD
View
B
Retailer 5
-
HK$27,564 HKD
View
B
Retailer 6
-
HK$27,948 HKD
View
Most Expensive
C
NZ Jewellers
0ed82e6c-ceda-4806-b961-116e4083b899 · Nov 5
HK$41,617 HKD
$5,310 USD
View
6 more retailers have this diamond
Prices start from HK$23,888 HKDSave up to HK$17,728 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 Oval
HK$23,888 HKD