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Round|Natural|IGI

1.23ct J VS2 Round Natural Diamond

EX • J/VS2 • IGI 768663740

Shape and cutting style on the report: Round brilliant

Certificate IGI 768663740

Diamond specifications and retailer prices

From HK$15,486 HKD
As of November 4, 2026
Save HK$14,467 HKD (48%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$41,721 HKD at NZ Jewellers · As of August 29, 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 768663740. Listed at 14 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 angle34.9°
Pavilion angle41.4°
OriginNatural
Grading LabIGI
CertificateIGI 768663740
Dimensions6.81 × 6.84 × 4.30 mm
L/W Ratio1.00
Girdle conditionFaceted
Top View
6.81 mm6.84 mm1.23 ctJ / VS2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 768663740
Side View
Table 57.0%Crown 34.9°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 62.9%

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$37,171 HKD|Low: HK$15,486 HKD|High: HK$37,171 HKD|Avg: HK$21,885 HKD|+2.4%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 5HK$15,486 HKD
Retailer 8HK$16,200 HKD
Retailer 7HK$17,259 HKD
Retailer 9HK$17,354 HKD
Retailer 2HK$18,836 HKD
Retailer 4HK$20,923 HKD
Retailer 3HK$21,237 HKD
Retailer 10HK$22,696 HKD
Retailer 6HK$29,953 HKD
NZ JewellersHK$37,171 HKD

31 data points across 10 retailers

14 retailersHK$15,486 HKD to HK$29,953 HKD

A
Cheapest Retailer
-
HK$15,486 HKD
A
Retailer 2
-
HK$16,200 HKD
View
A
Retailer 3
-
HK$17,259 HKD
View
Retailer 4
-
HK$17,354 HKD
View
Price last confirmed 44 days ago
Retailer 5
-
HK$17,354 HKD
View
Price last confirmed 15 days ago
Retailer 6
-
HK$17,777 HKD
View
Price last confirmed 21 days ago
A
Retailer 7
-
HK$18,836 HKD
View
Retailer 8
-
HK$20,029 HKD
View
Price last confirmed 45 days ago
B+
Retailer 9
-
HK$20,923 HKD
View
B+
Retailer 10
-
HK$21,237 HKD
View
B+
Retailer 11
-
HK$29,953 HKD
View
Retailer 12
-
HK$36,284 HKD
View
Price last confirmed 46 days ago
Retailer 13
-
HK$37,171 HKD
View
Price last confirmed 17 days ago
Most Expensive
NZ Jewellers
65311ca0-c1dd-4b8f-91cb-eee6e4cd1757 · Aug 29
HK$41,721 HKD
$5,318 USD
View
Price last confirmed 69 days ago
13 more retailers have this diamond
Prices start from HK$15,486 HKDSave up to HK$14,467 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$15,486 HKD