Round|Natural|IGI

1.21ct K VS1 Round Natural Diamond

EX • K/VS1 • IGI 776673912

Shape and cutting style on the report: Round brilliant

Certificate IGI 776673912

Diamond specifications and retailer prices

From HK$12,372 HKD
As of November 5, 2026
Save HK$25,167 HKD (67%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: HK$37,539 HKD at NZ Jewellers · As of October 23, 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 776673912. Listed at 20 retailers as of November 5, 2026, with a 203% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle36.5°
Pavilion angle40.4°
OriginNatural
Grading LabIGI
CertificateIGI 776673912
Dimensions6.74 × 6.81 × 4.21 mm
L/W Ratio1.01
Girdle conditionPARTLY FACETED
Culet sizePointed
Top View
6.74 mm6.81 mm1.21 ctK / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 776673912
Side View
Table 58.0%Crown 36.5°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 62.0%

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$14,317 HKD|Low: HK$12,372 HKD|High: HK$27,246 HKD|Avg: HK$17,784 HKD|-1.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 5HK$12,372 HKD
Retailer 1HK$14,317 HKD
Retailer 2HK$16,906 HKD
Retailer 4HK$17,777 HKD
Retailer 6HK$18,781 HKD
Retailer 3HK$20,845 HKD
Retailer 7HK$26,886 HKD

30 data points across 7 retailers

20 retailersHK$12,372 HKD to HK$37,539 HKD

A
Cheapest Retailer
-
HK$12,372 HKD
A
Retailer 2
-
HK$13,902 HKD
View
A
Retailer 3
-
HK$14,317 HKD
View
Retailer 4
-
HK$15,392 HKD
View
Price last confirmed 29 days ago
Retailer 5
-
HK$15,392 HKD
View
Price last confirmed 25 days ago
Retailer 6
-
HK$15,392 HKD
View
Price last confirmed 11 days ago
A
Retailer 7
-
HK$15,690 HKD
View
A
Retailer 8
-
HK$16,098 HKD
View
Retailer 9
-
HK$16,098 HKD
View
Price last confirmed 38 days ago
A
Retailer 10
-
HK$16,906 HKD
View
A
Retailer 11
-
HK$17,754 HKD
View
Retailer 12
-
HK$17,754 HKD
View
Price last confirmed 28 days ago
Retailer 13
-
HK$17,754 HKD
View
Price last confirmed 14 days ago
A
Retailer 14
-
HK$17,777 HKD
View
A
Retailer 15
-
HK$18,781 HKD
View
B+
Retailer 16
-
HK$20,845 HKD
View
B
Retailer 17
-
HK$26,886 HKD
View
Retailer 18
-
HK$37,539 HKD
View
Price last confirmed 40 days ago
B
Retailer 19
-
HK$37,539 HKD
View
Most Expensive
NZ Jewellers
b2acdd77-9fe8-4101-bfbd-4c84b8752c5a · Oct 23
HK$37,539 HKD
$4,785 USD
View
Price last confirmed 13 days ago
19 more retailers have this diamond
Prices start from HK$12,372 HKDSave up to HK$25,167 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$12,372 HKD