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Round|Natural|GIA

1.20ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 1455782797

Certificate GIA 1455782797

Diamond specifications and retailer prices

From HK$17,352 HKD
As of November 6, 2026
Save HK$34,228 HKD (66%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$51,580 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1455782797. Listed at 18 retailers as of November 5, 2026, with prices from HK$17,352 to HK$51,580, a HK$34,228 spread on the same certified stone. Diamond Quarter lists it at HK$51,580. 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

1.20
Carat
H
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1455782797
Dimensions6.79 × 6.74 × 4.22 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Cavity, Indented Natural, Natural
Top View
6.79 mm6.74 mm1.20 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1455782797
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.4%

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 6
Current: HK$21,670 HKD|Low: HK$17,250 HKD|High: HK$48,702 HKD|Avg: HK$25,295 HKD|-7.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
November 6, 2026
Retailer 12HK$17,352 HKD
Retailer 16HK$18,551 HKD
Retailer 6HK$19,476 HKD
Retailer 3HK$21,106 HKD
Retailer 14HK$21,106 HKD
Retailer 1HK$21,670 HKD
Retailer 5HK$21,913 HKD
Retailer 2HK$24,139 HKD
Retailer 7HK$24,139 HKD
Retailer 4HK$24,351 HKD
Retailer 9HK$24,515 HKD
Retailer 13HK$24,923 HKD
Retailer 10HK$26,287 HKD
Retailer 8HK$27,047 HKD
Retailer 11HK$38,952 HKD
Retailer 15HK$48,702 HKD

40 data points across 16 retailers

18 retailersHK$17,352 HKD to HK$51,580 HKD

A
Cheapest Retailer
-
HK$17,352 HKD
A
Retailer 2
-
HK$18,551 HKD
View
A
Retailer 3
-
HK$19,476 HKD
View
Final sale: no returns
Retailer 4
-
HK$21,106 HKD
View
Price last confirmed 8 days ago
A
Retailer 5
-
HK$21,106 HKD
View
A
Retailer 6
-
HK$21,670 HKD
View
B+
Retailer 7
-
HK$21,913 HKD
View
Retailer 8
-
HK$23,638 HKD
View
Price last confirmed 109 days ago
B+
Retailer 9
-
HK$24,139 HKD
View
B+
Retailer 10
-
HK$24,139 HKD
View
B+
Retailer 11
-
HK$24,343 HKD
View
B+
Retailer 12
-
HK$24,351 HKD
View
B+
Retailer 13
-
HK$24,515 HKD
View
B+
Retailer 14
-
HK$24,923 HKD
View
B+
Retailer 15
-
HK$26,287 HKD
View
B
Retailer 16
-
HK$38,952 HKD
View
B
Retailer 17
-
HK$48,702 HKD
View
Most Expensive
B
Diamond Quarter
1.2SI2H14978F16N · Nov 5
HK$51,580 HKD
£5,182 GBP
View
17 more retailers have this diamond
Prices start from HK$17,352 HKDSave up to HK$34,228 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$17,352 HKD