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Round|Natural|GIA

1.20ct H SI1 Round Natural Diamond

VG • H/SI1 • GIA 6432543536

Certificate GIA 6432543536

Diamond specifications and retailer prices

From HK$20,495 HKD
As of October 31, 2026
Save HK$31,146 HKD (60%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: HK$51,641 HKD at Diamond Quarter · As of November 5, 2026
View at Diamond Quarter

About this 1.2ct natural round diamond

This 1.2ct natural round sits in the classic one-carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by GIA 6432543536. Listed at 21 retailers as of October 31, 2026, with prices from HK$20,495 to HK$51,641, a HK$31,146 spread on the same certified stone. Diamond Quarter lists it at HK$51,641. 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

1.20
Carat
H
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6432543536
Dimensions6.72 × 6.64 × 4.27 mm
L/W Ratio1.01
Top View
6.72 mm6.64 mm1.20 ctH / SI1
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 6432543536
Side View
Table 55.0%Crown 36.5°Girdle: THN-THKPavilion 40.6°Culet: NoneDepth 64.0%

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: Oct 31
Current: HK$29,030 HKD|Low: HK$20,448 HKD|High: HK$47,777 HKD|Avg: HK$29,433 HKD|-0.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 7, 2026
Retailer 8HK$20,495 HKD
Retailer 9HK$20,761 HKD
Retailer 11HK$25,064 HKD
Retailer 10HK$26,052 HKD
Retailer 4HK$28,802 HKD
Retailer 1HK$29,030 HKD
Retailer 3HK$29,312 HKD
Retailer 7HK$29,923 HKD
Retailer 2HK$30,229 HKD
Retailer 5HK$34,453 HKD
Retailer 6HK$47,079 HKD

43 data points across 11 retailers

21 retailersHK$20,495 HKD to HK$51,641 HKD

A
Cheapest Retailer
-
HK$20,495 HKD
A
Retailer 2
-
HK$20,761 HKD
View
B+
Retailer 3
-
HK$24,515 HKD
View
B+
Retailer 4
-
HK$25,064 HKD
View
B+
Retailer 5
-
HK$26,052 HKD
View
Final sale: no returns
Retailer 6
-
HK$26,671 HKD
View
Price last confirmed 103 days ago
B
Retailer 7
-
HK$27,117 HKD
View
B
Retailer 8
-
HK$28,230 HKD
View
Retailer 9
-
HK$28,230 HKD
View
Price last confirmed 9 days ago
B
Retailer 10
-
HK$28,802 HKD
View
B
Retailer 11
-
HK$29,030 HKD
View
B
Retailer 12
-
HK$29,312 HKD
View
B
Retailer 13
-
HK$29,359 HKD
View
B
Retailer 14
-
HK$29,876 HKD
View
B
Retailer 15
-
HK$29,923 HKD
View
Retailer 16
-
HK$30,229 HKD
View
Price last confirmed 30 days ago
B
Retailer 17
-
HK$32,572 HKD
View
B
Retailer 18
-
HK$34,453 HKD
View
B
Retailer 19
-
HK$47,079 HKD
View
C
Retailer 20
-
HK$49,180 HKD
View
Most Expensive
C
Diamond Quarter
1.2SI1H64364817N · Nov 5
HK$51,641 HKD
£5,188 GBP
View
20 more retailers have this diamond
Prices start from HK$20,495 HKDSave up to HK$31,146 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
1.20ct Round
HK$20,495 HKD