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Round|Natural|GIA

1.70ct M SI2 Round Natural Diamond

EX • M/SI2 • GIA 6511976194

Certificate GIA 6511976194

Diamond specifications and retailer prices

From HK$22,720 HKD
As of November 4, 2026
Save HK$26,634 HKD (54%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: HK$49,354 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 GIA 6511976194. Listed at 7 retailers as of November 4, 2026, with prices from HK$22,720 to HK$49,354, a HK$26,634 spread on the same certified stone. NZ Jewellers lists it at HK$49,354. 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
FluorescenceNone
Crown angle35°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 6511976194
Dimensions7.64 × 7.60 × 4.79 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Cloud, Pinpoint, Indented Natural
Top View
7.64 mm7.60 mm1.70 ctM / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6511976194
Side View
Table 56.0%Crown 35°Girdle: THN-STKPavilion 41.4°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 4
Current: HK$49,354 HKD|Low: HK$17,550 HKD|High: HK$49,354 HKD|Avg: HK$26,705 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
October 18, 2026
Retailer 4HK$17,550 HKD
Retailer 12HK$19,119 HKD
Retailer 3HK$19,378 HKD
Retailer 6HK$22,720 HKD
Retailer 7HK$23,606 HKD
Retailer 9HK$23,606 HKD
Retailer 2HK$24,006 HKD
Retailer 5HK$24,516 HKD
Retailer 8HK$27,239 HKD
Retailer 11HK$32,181 HKD
Retailer 10HK$33,632 HKD
NZ JewellersHK$49,354 HKD

5 data points across 12 retailers

7 retailersHK$22,720 HKD to HK$49,354 HKD

A
Cheapest Retailer
-
HK$22,720 HKD
B+
Retailer 2
-
HK$23,606 HKD
View
Retailer 3
-
HK$23,606 HKD
View
Price last confirmed 8 days ago
B+
Retailer 4
-
HK$24,006 HKD
View
B+
Retailer 5
-
HK$24,516 HKD
View
B+
Retailer 6
-
HK$27,239 HKD
View
Most Expensive
C
NZ Jewellers
b596512e-5dd1-4a53-9442-991dd298fa51 · Nov 5
HK$49,354 HKD
$6,291 USD
View
6 more retailers have this diamond
Prices start from HK$22,720 HKDSave up to HK$26,634 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$22,720 HKD