Round|Natural|IGI

1.21ct K VS1 Round Natural Diamond

EX • K/VS1 • IGI 816643819

Shape and cutting style on the report: Round brilliant

Certificate IGI 816643819

Diamond specifications and retailer prices

From HK$13,502 HKD
As of November 5, 2026
Save HK$20,986 HKD (61%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$34,487 HKD at NZ Jewellers · As of November 2, 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI 816643819. Listed at 11 retailers as of November 2, 2026, with prices from HK$13,502 to HK$34,487, a HK$20,986 spread on the same certified stone. NZ Jewellers lists it at HK$34,487. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
K
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabIGI
CertificateIGI 816643819
Dimensions6.76 × 6.81 × 4.24 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
6.76 mm6.81 mm1.21 ctK / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 816643819
Side View
Table 57.0%Crown 36°Girdle: MED-STKPavilion 40.6°CuletDepth 62.5%

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 5
Current: HK$15,345 HKD|Low: HK$13,502 HKD|High: HK$29,247 HKD|Avg: HK$19,523 HKD|-1.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 3HK$13,502 HKD
Retailer 1HK$15,345 HKD
Retailer 7HK$17,259 HKD
Retailer 6HK$19,064 HKD
Retailer 4HK$20,131 HKD
Retailer 2HK$21,009 HKD
Retailer 5HK$28,823 HKD

41 data points across 7 retailers

11 retailersHK$13,502 HKD to HK$34,487 HKD

A
Cheapest Retailer
-
HK$13,502 HKD
A
Retailer 2
-
HK$15,345 HKD
View
A
Retailer 3
-
HK$16,498 HKD
View
A
Retailer 4
-
HK$17,259 HKD
View
B+
Retailer 5
-
HK$17,581 HKD
View
B+
Retailer 6
-
HK$19,032 HKD
View
B+
Retailer 7
-
HK$19,064 HKD
View
B+
Retailer 8
-
HK$20,131 HKD
View
B+
Retailer 9
-
HK$21,009 HKD
View
B
Retailer 10
-
HK$28,823 HKD
View
Most Expensive
B
NZ Jewellers
3c70d52b-20c1-4940-87e6-d516f0da60f4 · Nov 2
HK$34,487 HKD
$4,396 USD
View
10 more retailers have this diamond
Prices start from HK$13,502 HKDSave up to HK$20,986 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$13,502 HKD