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Round|Natural|GIA

1.20ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 1533924090

Certificate GIA 1533924090

Diamond specifications and retailer prices

From HK$16,145 HKD
As of November 6, 2026
Save HK$22,070 HKD (58%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: HK$45,606 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 1533924090. Listed at 20 retailers as of November 1, 2026, with a 137% 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 angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1533924090
Dimensions6.90 × 6.86 × 4.10 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Cavity, Feather, Cloud, Indented Natural, Needle
Top View
6.90 mm6.86 mm1.20 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1533924090
Side View
Table 62.0%Crown 33.5°Girdle: THN-STKPavilion 41°Culet: NoneDepth 59.5%

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$16,780 HKD|Low: HK$16,145 HKD|High: HK$45,183 HKD|Avg: HK$25,803 HKD|-5.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 12HK$16,145 HKD
Retailer 1HK$16,780 HKD
Retailer 8HK$19,335 HKD
Retailer 10HK$19,601 HKD
Retailer 4HK$20,205 HKD
Retailer 11HK$21,710 HKD
Retailer 5HK$22,344 HKD
Retailer 9HK$22,344 HKD
Retailer 6HK$22,446 HKD
Retailer 7HK$26,381 HKD
Retailer 2HK$38,215 HKD
Retailer 3HK$45,089 HKD

35 data points across 12 retailers

20 retailersHK$16,145 HKD to HK$38,215 HKD

A
Cheapest Retailer
-
HK$16,145 HKD
A
Retailer 2
-
HK$16,780 HKD
View
A
Retailer 3
-
HK$19,335 HKD
View
A
Retailer 4
-
HK$19,601 HKD
View
Final sale: no returns
A
Retailer 5
-
HK$20,205 HKD
View
A
Retailer 6
-
HK$20,534 HKD
View
B+
Retailer 7
-
HK$21,710 HKD
View
Retailer 8
-
HK$21,811 HKD
View
Price last confirmed 39 days ago
Retailer 9
-
HK$21,811 HKD
View
Price last confirmed 21 days ago
Retailer 10
-
HK$21,811 HKD
View
Price last confirmed 17 days ago
A
Retailer 11
-
HK$22,344 HKD
View
B+
Retailer 12
-
HK$22,344 HKD
View
B+
Retailer 13
-
HK$22,446 HKD
View
Retailer 14
-
HK$22,650 HKD
View
Price last confirmed 38 days ago
Retailer 15
-
HK$25,166 HKD
View
Price last confirmed 38 days ago
B+
Retailer 16
-
HK$26,381 HKD
View
B
Retailer 17
-
HK$38,215 HKD
View
Retailer 18
-
HK$45,089 HKD
View
Price last confirmed 9 days ago
Retailer 19
-
HK$45,606 HKD
View
Price last confirmed 39 days ago
Most Expensive
NZ Jewellers
d9be7301-fc6b-489b-9c07-310e44e36e8d · Oct 17
HK$45,606 HKD
$5,819 USD
View
Price last confirmed 20 days ago
19 more retailers have this diamond
Prices start from HK$16,145 HKDSave up to HK$22,070 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$16,145 HKD