Round|Natural|IGI

1.21ct J VS1 Round Natural Diamond

EX • J/VS1 • IGI 613369272

Shape and cutting style on the report: Round brilliant

Certificate IGI 613369272

Diamond specifications and retailer prices

From HK$15,659 HKD
As of November 4, 2026
Save HK$5,815 HKD (27%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$37,627 HKD at NZ Jewellers · As of October 20, 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 J colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI 613369272. Listed at 15 retailers as of November 4, 2026, with a 37% 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
J
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle41.2°
OriginNatural
Grading LabIGI
CertificateIGI 613369272
Dimensions6.81 × 6.78 × 4.25 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
6.81 mm6.78 mm1.21 ctJ / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 613369272
Side View
Table 57.0%Crown 35.2°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 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 4
Current: HK$37,627 HKD|Low: HK$15,659 HKD|High: HK$37,627 HKD|Avg: HK$21,913 HKD|+2.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 6HK$15,659 HKD
Retailer 8HK$16,357 HKD
Retailer 7HK$17,438 HKD
Retailer 9HK$17,556 HKD
Retailer 2HK$19,045 HKD
Retailer 3HK$19,907 HKD
Retailer 5HK$21,153 HKD
Retailer 4HK$21,474 HKD
Retailer 10HK$31,694 HKD
NZ JewellersHK$37,627 HKD

30 data points across 10 retailers

15 retailersHK$15,659 HKD to HK$21,474 HKD

A
Cheapest Retailer
-
HK$15,659 HKD
A
Retailer 2
-
HK$16,357 HKD
View
Retailer 3
-
HK$17,156 HKD
View
Price last confirmed 102 days ago
A
Retailer 4
-
HK$17,438 HKD
View
Retailer 5
-
HK$17,556 HKD
View
Price last confirmed 44 days ago
Retailer 6
-
HK$17,556 HKD
View
Price last confirmed 15 days ago
Retailer 7
-
HK$18,003 HKD
View
Price last confirmed 21 days ago
A
Retailer 8
-
HK$19,045 HKD
View
A
Retailer 9
-
HK$19,907 HKD
View
Retailer 10
-
HK$20,252 HKD
View
Price last confirmed 45 days ago
B+
Retailer 11
-
HK$21,153 HKD
View
B+
Retailer 12
-
HK$21,474 HKD
View
Retailer 13
-
HK$31,694 HKD
View
Price last confirmed 16 days ago
Retailer 14
-
HK$36,703 HKD
View
Price last confirmed 46 days ago
Most Expensive
NZ Jewellers
8655cb6b-3ee8-4592-a6d9-8074841333e9 · Oct 20
HK$37,627 HKD
$4,801 USD
View
Price last confirmed 17 days ago
14 more retailers have this diamond
Prices start from HK$15,659 HKDSave up to HK$5,815 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$15,659 HKD