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1.21ct K SI2 Round Natural Diamond

VG • K/SI2 • HRD 210000208541

Shape and cutting style on the report: Brilliant

Certificate HRD 210000208541

Diamond specifications and retailer prices

From HK$12,822 HKD
As of November 4, 2026
Save HK$21,506 HKD (63%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$34,328 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 K colour (faint-tinted) and SI2 clarity (slightly-included), with a very-good cut grade and certified by HRD 210000208541. Listed at 11 retailers as of November 4, 2026, with prices from HK$12,822 to HK$34,328, a HK$21,506 spread on the same certified stone. NZ Jewellers lists it at HK$34,328. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.21
Carat
K
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle36.8°
Pavilion angle39.8°
OriginNatural
Grading LabHRD
CertificateHRD 210000208541
Dimensions6.69 × 6.76 × 4.20 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
6.69 mm6.76 mm1.21 ctK / SI2
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateHRD 210000208541
Side View
Table 57.0%Crown 36.8°Girdle: MediumPavilion 39.8°Culet: NoneDepth 62.0%

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 4
Current: HK$34,328 HKD|Low: HK$13,762 HKD|High: HK$34,328 HKD|Avg: HK$17,955 HKD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 6HK$13,762 HKD
Retailer 4HK$14,076 HKD
Retailer 8HK$14,076 HKD
Retailer 10HK$14,186 HKD
Retailer 5HK$14,719 HKD
Retailer 7HK$15,142 HKD
Retailer 9HK$16,239 HKD
Retailer 2HK$19,068 HKD
Retailer 3HK$24,578 HKD
NZ JewellersHK$34,328 HKD

18 data points across 10 retailers

11 retailersHK$12,822 HKD to HK$34,328 HKD

B+
Cheapest Retailer
-
HK$12,822 HKD
B+
Retailer 2
-
HK$13,762 HKD
View
Retailer 3
-
HK$14,076 HKD
View
Price last confirmed 9 days ago
B+
Retailer 4
-
HK$14,076 HKD
View
B+
Retailer 5
-
HK$14,186 HKD
View
B+
Retailer 6
-
HK$14,719 HKD
View
B+
Retailer 7
-
HK$15,142 HKD
View
B+
Retailer 8
-
HK$16,239 HKD
View
B+
Retailer 9
-
HK$19,068 HKD
View
B
Retailer 10
-
HK$24,578 HKD
View
Most Expensive
C
NZ Jewellers
58d3b0c9-23bc-4ac7-9dd1-00dff3eea52d · Nov 5
HK$34,328 HKD
$4,380 USD
View
10 more retailers have this diamond
Prices start from HK$12,822 HKDSave up to HK$21,506 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$12,822 HKD