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1.21ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 2548809772

Certificate GIA 2548809772

Diamond specifications and retailer prices

From HK$11,834 HKD
As of November 6, 2026
Save HK$26,443 HKD (69%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: HK$38,278 HKD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.21ct natural round diamond

This 1.21ct natural round sits in the classic one-carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2548809772. Listed at 8 retailers as of November 5, 2026, with prices from HK$11,834 to HK$38,278, a HK$26,443 spread on the same certified stone. NZ Jewellers lists it at HK$38,278. 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

1.21
Carat
I
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 2548809772
Dimensions6.80 × 6.83 × 4.27 mm
L/W Ratio1.00
Top View
6.80 mm6.83 mm1.21 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2548809772
Side View
Table 56.0%Crown 35.5°Girdle: MediumPavilion 41.2°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$38,278 HKD|Low: HK$11,834 HKD|High: HK$38,278 HKD|Avg: HK$20,193 HKD|+11.4%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 2HK$11,834 HKD
Retailer 7HK$14,170 HKD
Retailer 3HK$14,805 HKD
Retailer 4HK$16,772 HKD
Retailer 5HK$16,944 HKD
Retailer 6HK$20,181 HKD
Retailer 8HK$27,415 HKD
NZ JewellersHK$38,278 HKD

28 data points across 8 retailers

8 retailersHK$11,834 HKD to HK$38,278 HKD

A
Cheapest Retailer
-
HK$11,834 HKD
A
Retailer 2
-
HK$14,170 HKD
View
A
Retailer 3
-
HK$14,805 HKD
View
A
Retailer 4
-
HK$16,772 HKD
View
A
Retailer 5
-
HK$16,944 HKD
View
A
Retailer 6
-
HK$20,181 HKD
View
B+
Retailer 7
-
HK$27,415 HKD
View
Most Expensive
B
NZ Jewellers
a5c98d07-f077-4ded-9cb2-d72a572da26b · Nov 5
HK$38,278 HKD
$4,884 USD
View
7 more retailers have this diamond
Prices start from HK$11,834 HKDSave up to HK$26,443 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
1.21ct Round
HK$11,834 HKD