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1.21ct F SI2 Round Natural Diamond

EX • F/SI2 • HRD 240000194311

Shape and cutting style on the report: Round

Certificate HRD 240000194311

Diamond specifications and retailer prices

From HK$29,986 HKD
As of November 6, 2026
Save HK$29,382 HKD (49%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$59,368 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 F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by HRD 240000194311. Listed at 10 retailers as of November 5, 2026, with prices from HK$29,986 to HK$59,368, a HK$29,382 spread on the same certified stone. NZ Jewellers lists it at HK$59,368. 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
F
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.8°
OriginNatural
Grading LabHRD
CertificateHRD 240000194311
Dimensions6.81 × 6.77 × 4.25 mm
L/W Ratio1.01
Top View
6.81 mm6.77 mm1.21 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateHRD 240000194311
Side View
Table 57.0%Crown 35.4°Girdle: MediumPavilion 40.8°Culet: NoneDepth 62.5%

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 6
Current: HK$59,368 HKD|Low: HK$28,128 HKD|High: HK$59,368 HKD|Avg: HK$40,093 HKD|+2.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 10HK$29,986 HKD
Retailer 7HK$30,801 HKD
Retailer 6HK$31,451 HKD
Retailer 5HK$34,077 HKD
Retailer 9HK$34,077 HKD
Retailer 11HK$34,077 HKD
Retailer 2HK$38,270 HKD
Retailer 8HK$39,320 HKD
Retailer 4HK$54,125 HKD
Retailer 3HK$57,095 HKD
NZ JewellersHK$59,368 HKD

28 data points across 11 retailers

10 retailersHK$29,986 HKD to HK$59,368 HKD

B+
Cheapest Retailer
-
HK$29,986 HKD
B+
Retailer 2
-
HK$30,801 HKD
View
B+
Retailer 3
-
HK$31,451 HKD
View
Final sale: no returns
B
Retailer 4
-
HK$34,077 HKD
View
Retailer 5
-
HK$34,077 HKD
View
Price last confirmed 9 days ago
B
Retailer 6
-
HK$34,077 HKD
View
B+
Retailer 7
-
HK$38,270 HKD
View
B
Retailer 8
-
HK$39,320 HKD
View
B
Retailer 9
-
HK$54,125 HKD
View
Most Expensive
B
NZ Jewellers
f8c4f8a5-1d45-437c-9044-d06df5801fa9 · Nov 5
HK$59,368 HKD
$7,575 USD
View
9 more retailers have this diamond
Prices start from HK$29,986 HKDSave up to HK$29,382 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+
1.21ct Round
HK$29,986 HKD