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Round|Natural|GIA

0.66ct N SI2 Round Natural Diamond

VG • N/SI2 • GIA 5192631919

Certificate GIA 5192631919

Diamond specifications and retailer prices

From HK$3,715 HKD
As of November 5, 2026
Save HK$9,138 HKD (71%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: HK$12,853 HKD at NZ Jewellers · As of November 4, 2026
View at NZ Jewellers

About this 0.66ct natural round diamond

This 0.66ct natural round sits in the half to three-quarter carat band, graded N colour (tinted) and SI2 clarity (slightly-included), with a very-good cut grade and certified by GIA 5192631919. Listed at 7 retailers as of November 4, 2026, with prices from HK$3,715 to HK$12,853, a HK$9,138 spread on the same certified stone. NZ Jewellers lists it at HK$12,853. 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

0.66
Carat
N
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryGood
FluorescenceNone
Crown angle35°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 5192631919
Dimensions5.65 × 5.66 × 3.45 mm
L/W Ratio1.00
Star length55%
Lower girdle85%
Top View
5.65 mm5.66 mm0.66 ctN / SI2
OriginNatural
CutVery Good
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateGIA 5192631919
Side View
Table 57.0%Crown 35°Girdle: THN-MEDPavilion 41°Culet: Very SmallDepth 60.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: HK$12,853 HKD|Low: HK$3,166 HKD|High: HK$12,853 HKD|Avg: HK$5,488 HKD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 5, 2026
Retailer 8HK$3,166 HKD
Retailer 4HK$3,715 HKD
Retailer 3HK$3,997 HKD
Retailer 6HK$3,997 HKD
Retailer 5HK$4,287 HKD
Retailer 7HK$5,627 HKD
Retailer 2HK$6,074 HKD
NZ JewellersHK$12,853 HKD

15 data points across 8 retailers

7 retailersHK$3,715 HKD to HK$12,853 HKD

B+
Cheapest Retailer
-
HK$3,715 HKD
Retailer 2
-
HK$3,997 HKD
View
Price last confirmed 8 days ago
B+
Retailer 3
-
HK$3,997 HKD
View
B
Retailer 4
-
HK$4,287 HKD
View
B
Retailer 5
-
HK$5,627 HKD
View
B
Retailer 6
-
HK$6,074 HKD
View
Most Expensive
C
NZ Jewellers
3d12d1de-3162-4edd-8e8f-d8dc419d9c87 · Nov 4
HK$12,853 HKD
$1,640 USD
View
6 more retailers have this diamond
Prices start from HK$3,715 HKDSave up to HK$9,138 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+
0.66ct Round
HK$3,715 HKD