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Round|Natural|GIA

1.20ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 1557783394

Certificate GIA 1557783394

Diamond specifications and retailer prices

From HK$17,650 HKD
As of November 6, 2026
Save HK$21,357 HKD (55%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: HK$48,898 HKD at NZ Jewellers · As of October 17, 2026
View at NZ Jewellers

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 1557783394. Listed at 20 retailers as of November 4, 2026, with a 121% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1557783394
Dimensions6.81 × 6.88 × 4.12 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Cloud, Knot, Feather, Crystal, Needle, Indented Natural
Top View
6.81 mm6.88 mm1.20 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1557783394
Side View
Table 61.0%Crown 33.5°Girdle: Slightly ThickPavilion 40.8°Culet: NoneDepth 60.1%

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$18,253 HKD|Low: HK$17,650 HKD|High: HK$46,531 HKD|Avg: HK$26,991 HKD|-3.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 9HK$17,650 HKD
Retailer 1HK$18,253 HKD
Retailer 2HK$21,584 HKD
Retailer 3HK$21,764 HKD
Retailer 7HK$22,078 HKD
Retailer 4HK$24,492 HKD
Retailer 5HK$24,609 HKD
Retailer 6HK$27,172 HKD
Retailer 8HK$39,007 HKD
Retailer 10HK$46,382 HKD

28 data points across 10 retailers

20 retailersHK$17,650 HKD to HK$39,007 HKD

A
Cheapest Retailer
-
HK$17,650 HKD
A
Retailer 2
-
HK$18,253 HKD
View
A
Retailer 3
-
HK$21,584 HKD
View
Final sale: no returns
A
Retailer 4
-
HK$21,764 HKD
View
B+
Retailer 5
-
HK$21,804 HKD
View
A
Retailer 6
-
HK$22,078 HKD
View
Retailer 7
-
HK$23,387 HKD
View
Price last confirmed 39 days ago
Retailer 8
-
HK$23,387 HKD
View
Price last confirmed 17 days ago
Retailer 9
-
HK$23,387 HKD
View
Price last confirmed 21 days ago
B+
Retailer 10
-
HK$23,747 HKD
View
Retailer 11
-
HK$24,288 HKD
View
Price last confirmed 38 days ago
B+
Retailer 12
-
HK$24,492 HKD
View
B+
Retailer 13
-
HK$24,500 HKD
View
B+
Retailer 14
-
HK$24,609 HKD
View
Retailer 15
-
HK$26,984 HKD
View
Price last confirmed 38 days ago
B+
Retailer 16
-
HK$27,172 HKD
View
B
Retailer 17
-
HK$39,007 HKD
View
Retailer 18
-
HK$46,382 HKD
View
Price last confirmed 9 days ago
Retailer 19
-
HK$48,898 HKD
View
Price last confirmed 39 days ago
Most Expensive
NZ Jewellers
83cf3036-ce24-4aa2-af83-8270fb94ccc4 · Oct 17
HK$48,898 HKD
$6,239 USD
View
Price last confirmed 20 days ago
19 more retailers have this diamond
Prices start from HK$17,650 HKDSave up to HK$21,357 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$17,650 HKD