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Round|Natural|GIA

1.20ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 1549993420

Certificate GIA 1549993420

Diamond specifications and retailer prices

From HK$14,241 HKD
As of November 6, 2026
Save HK$18,504 HKD (57%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: HK$39,587 HKD at NZ Jewellers · As of September 28, 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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1549993420. Listed at 21 retailers as of November 4, 2026, with a 130% 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
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1549993420
Dimensions6.73 × 6.77 × 4.24 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Etch Channel, Crystal, Cloud, Needle
Top View
6.73 mm6.77 mm1.20 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1549993420
Side View
Table 57.0%Crown 36.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.7%

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$14,781 HKD|Low: HK$14,241 HKD|High: HK$33,191 HKD|Avg: HK$20,405 HKD|-2.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 2HK$14,241 HKD
Retailer 1HK$14,781 HKD
Retailer 8HK$16,592 HKD
Retailer 3HK$17,681 HKD
Retailer 4HK$17,932 HKD
Retailer 10HK$19,711 HKD
Retailer 5HK$19,782 HKD
Retailer 6HK$21,498 HKD
Retailer 7HK$22,877 HKD
Retailer 9HK$23,254 HKD
Retailer 11HK$32,745 HKD

26 data points across 11 retailers

21 retailersHK$14,241 HKD to HK$32,745 HKD

A
Cheapest Retailer
-
HK$14,241 HKD
A
Retailer 2
-
HK$14,781 HKD
View
A
Retailer 3
-
HK$16,592 HKD
View
B+
Retailer 4
-
HK$17,681 HKD
View
B+
Retailer 5
-
HK$17,767 HKD
View
B+
Retailer 6
-
HK$17,791 HKD
View
B+
Retailer 7
-
HK$17,932 HKD
View
Retailer 8
-
HK$18,747 HKD
View
Price last confirmed 25 days ago
Retailer 9
-
HK$18,747 HKD
View
Price last confirmed 27 days ago
Retailer 10
-
HK$18,935 HKD
View
Price last confirmed 39 days ago
B+
Retailer 11
-
HK$19,711 HKD
View
B+
Retailer 12
-
HK$19,782 HKD
View
Retailer 13
-
HK$19,813 HKD
View
Price last confirmed 38 days ago
B+
Retailer 14
-
HK$19,836 HKD
View
B+
Retailer 15
-
HK$21,498 HKD
View
Retailer 16
-
HK$21,851 HKD
View
Price last confirmed 38 days ago
B
Retailer 17
-
HK$22,877 HKD
View
B+
Retailer 18
-
HK$23,254 HKD
View
B
Retailer 19
-
HK$32,745 HKD
View
Retailer 20
-
HK$39,187 HKD
View
Price last confirmed 28 days ago
Most Expensive
NZ Jewellers
161a6c3e-d155-4bbf-a6ce-94c9247895ef · Sep 28
HK$39,587 HKD
$5,051 USD
View
Price last confirmed 39 days ago
20 more retailers have this diamond
Prices start from HK$14,241 HKDSave up to HK$18,504 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$14,241 HKD