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Round|Natural|GIA

1.20ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 1328547279

Certificate GIA 1328547279

Diamond specifications and retailer prices

From HK$26,686 HKD
As of November 1, 2026
Save HK$32,815 HKD (55%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: HK$59,502 HKD at NZ Jewellers · As of November 5, 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1328547279. Listed at 21 retailers as of November 5, 2026, with prices from HK$26,686 to HK$59,502, a HK$32,815 spread on the same certified stone. NZ Jewellers lists it at HK$59,502. 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
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 1328547279
Dimensions6.77 × 6.72 × 4.22 mm
L/W Ratio1.01
Culet sizeNone
Top View
6.77 mm6.72 mm1.20 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1328547279
Side View
Table 56.0%Crown 36.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: HK$59,502 HKD|Low: HK$25,660 HKD|High: HK$59,502 HKD|Avg: HK$35,594 HKD
NZ Jewellers
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
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 6, 2026
Retailer 3HK$26,686 HKD
Retailer 19HK$26,686 HKD
Retailer 7HK$27,227 HKD
Retailer 2HK$28,277 HKD
Retailer 5HK$29,547 HKD
Retailer 13HK$30,644 HKD
Retailer 4HK$30,872 HKD
Retailer 10HK$30,942 HKD
Retailer 11HK$30,942 HKD
Retailer 14HK$34,383 HKD
Retailer 8HK$34,485 HKD
Retailer 20HK$34,485 HKD
Retailer 16HK$35,362 HKD
Retailer 9HK$35,660 HKD
Retailer 12HK$35,762 HKD
Retailer 17HK$36,130 HKD
Retailer 6HK$38,631 HKD
Retailer 15HK$41,671 HKD
Retailer 18HK$54,250 HKD
NZ JewellersHK$59,502 HKD

38 data points across 20 retailers

21 retailersHK$26,686 HKD to HK$59,502 HKD

B+
Cheapest Retailer
-
HK$26,686 HKD
B+
Retailer 2
-
HK$26,686 HKD
View
B+
Retailer 3
-
HK$27,227 HKD
View
B+
Retailer 4
-
HK$28,277 HKD
View
Final sale: no returns
B+
Retailer 5
-
HK$28,324 HKD
View
B
Retailer 6
-
HK$29,547 HKD
View
B+
Retailer 7
-
HK$30,644 HKD
View
B+
Retailer 8
-
HK$30,872 HKD
View
B+
Retailer 9
-
HK$30,942 HKD
View
Retailer 10
-
HK$30,942 HKD
View
Price last confirmed 9 days ago
B+
Retailer 11
-
HK$34,383 HKD
View
B
Retailer 12
-
HK$34,485 HKD
View
B
Retailer 13
-
HK$34,485 HKD
View
B
Retailer 14
-
HK$35,362 HKD
View
B
Retailer 15
-
HK$35,660 HKD
View
Retailer 16
-
HK$35,762 HKD
View
Price last confirmed 29 days ago
B
Retailer 17
-
HK$36,130 HKD
View
Retailer 18
-
HK$38,631 HKD
View
Price last confirmed 15 days ago
B
Retailer 19
-
HK$41,671 HKD
View
B
Retailer 20
-
HK$54,250 HKD
View
Most Expensive
B
NZ Jewellers
ab56c08d-b5e9-43cc-b4c1-58d99346cb36 · Nov 5
HK$59,502 HKD
$7,592 USD
View
20 more retailers have this diamond
Prices start from HK$26,686 HKDSave up to HK$32,815 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.

B+
1.20ct Round
HK$26,686 HKD