Round|Natural|GIA

0.66ct H SI2 Round Natural Diamond

VG • H/SI2 • GIA 5182091620

Certificate GIA 5182091620

Diamond specifications and retailer prices

From HK$5,885 HKD
$750 USD
As of November 1, 2026
Save HK$11,026 HKD (65%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: HK$16,910 HKD at Diamond Quarter · As of November 2, 2026
View at Diamond Quarter

About this 0.66ct natural round diamond

This 0.66ct natural round sits in the half to three-quarter carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by GIA 5182091620. Listed at 7 retailers as of November 1, 2026, with prices from HK$5,885 to HK$16,910, a HK$11,026 spread on the same certified stone. Diamond Quarter lists it at HK$16,910. 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
H
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle33°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 5182091620
Dimensions5.72 × 5.68 × 3.38 mm
L/W Ratio1.01
Top View
5.72 mm5.68 mm0.66 ctH / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5182091620
Side View
Table 58.0%Crown 33°Girdle: THN-MEDPavilion 41°Culet: NoneDepth 59.4%

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 1
Current: HK$7,003 HKD|Low: HK$5,885 HKD|High: HK$10,871 HKD|Avg: HK$7,544 HKD|+5.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 3, 2026
Retailer 4HK$5,885 HKD
Retailer 5HK$6,575 HKD
Retailer 1HK$7,003 HKD
Retailer 2HK$7,596 HKD
Retailer 3HK$10,742 HKD

38 data points across 5 retailers

7 retailersHK$5,885 HKD to HK$16,910 HKD

A
Cheapest Retailer
-
HK$5,885 HKD
$750 USD
B+
Retailer 2
-
HK$6,575 HKD
$838 USD
View
B+
Retailer 3
-
HK$7,003 HKD
£703 GBP
View
B+
Retailer 4
-
HK$7,596 HKD
€922 EUR
View
B
Retailer 5
-
HK$10,076 HKD
€1,223 EUR
View
B
Retailer 6
-
HK$10,742 HKD
£1,078 GBP
View
Most Expensive
C
Diamond Quarter
0.66SI2H51200965N · Nov 2
HK$16,910 HKD
£1,697 GBP
View
6 more retailers have this diamond
Prices start from HK$5,885 HKDSave up to HK$11,026 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
0.66ct Round
HK$5,885 HKD