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Round|Natural|IGI

1.23ct J VS2 Round Natural Diamond

EX • J/VS2 • IGI 654416376

Shape and cutting style on the report: Round brilliant

Certificate IGI 654416376

Diamond specifications and retailer prices

From HK$14,914 HKD
As of November 4, 2026
Save HK$13,925 HKD (48%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$34,958 HKD at NZ Jewellers · As of September 21, 2026
View at NZ Jewellers

About this 1.23ct natural round diamond

This 1.23ct natural round sits in the classic one-carat band, graded J colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI 654416376. Listed at 13 retailers as of November 4, 2026, with a 93% 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

1.23
Carat
J
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle41.5°
OriginNatural
Grading LabIGI
CertificateIGI 654416376
Dimensions6.92 × 6.86 × 4.28 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
6.92 mm6.86 mm1.23 ctJ / VS2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 654416376
Side View
Table 56.0%Crown 33.4°Girdle: MED-STKPavilion 41.5°Culet: NoneDepth 62.2%

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$20,146 HKD|Low: HK$12,866 HKD|High: HK$30,392 HKD|Avg: HK$18,789 HKD|-1.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 4HK$14,914 HKD
Retailer 10HK$15,439 HKD
Retailer 8HK$15,683 HKD
Retailer 7HK$16,710 HKD
Retailer 9HK$16,718 HKD
Retailer 2HK$17,142 HKD
Retailer 3HK$18,138 HKD
Retailer 1HK$20,146 HKD
Retailer 6HK$22,476 HKD
Retailer 5HK$28,839 HKD

27 data points across 10 retailers

13 retailersHK$14,914 HKD to HK$28,839 HKD

A
Cheapest Retailer
-
HK$14,914 HKD
A
Retailer 2
-
HK$15,683 HKD
View
Retailer 3
-
HK$15,871 HKD
View
Price last confirmed 102 days ago
A
Retailer 4
-
HK$16,710 HKD
View
Retailer 5
-
HK$16,718 HKD
View
Price last confirmed 44 days ago
Retailer 6
-
HK$16,718 HKD
View
Price last confirmed 15 days ago
Retailer 7
-
HK$17,142 HKD
View
Price last confirmed 21 days ago
A
Retailer 8
-
HK$18,138 HKD
View
Retailer 9
-
HK$19,291 HKD
View
Price last confirmed 45 days ago
A
Retailer 10
-
HK$20,146 HKD
View
B+
Retailer 11
-
HK$22,476 HKD
View
B+
Retailer 12
-
HK$28,839 HKD
View
Most Expensive
NZ Jewellers
b9d6098a-6de3-4a5e-9b12-259d688c2f93 · Sep 21
HK$34,958 HKD
$4,456 USD
View
Price last confirmed 45 days ago
12 more retailers have this diamond
Prices start from HK$14,914 HKDSave up to HK$13,925 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
1.23ct Round
HK$14,914 HKD