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Round|Natural|GIA

1.23ct J VS1 Round Natural Diamond

EX • J/VS1 • GIA 6562020686

Certificate GIA 6562020686

Diamond specifications and retailer prices

From HK$19,061 HKD
As of November 1, 2026
Save HK$23,614 HKD (55%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$45,245 HKD at NZ Jewellers · As of October 6, 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by GIA 6562020686. Listed at 17 retailers as of November 1, 2026, with a 124% 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
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6562020686
Dimensions6.78 × 6.80 × 4.24 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Top View
6.78 mm6.80 mm1.23 ctJ / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6562020686
Side View
Table 57.0%Crown 36°Girdle: Slightly ThickPavilion 40.6°Culet: NoneDepth 62.4%

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 1
Current: HK$23,559 HKD|Low: HK$18,151 HKD|High: HK$44,078 HKD|Avg: HK$27,021 HKD|-2.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 11HK$19,061 HKD
Retailer 7HK$19,351 HKD
Retailer 3HK$23,355 HKD
Retailer 12HK$23,551 HKD
Retailer 1HK$23,559 HKD
Retailer 4HK$25,526 HKD
Retailer 6HK$26,279 HKD
Retailer 5HK$27,987 HKD
Retailer 2HK$28,356 HKD
Retailer 10HK$30,276 HKD
Retailer 9HK$31,365 HKD
Retailer 8HK$42,675 HKD

26 data points across 12 retailers

17 retailersHK$19,061 HKD to HK$42,675 HKD

A
Cheapest Retailer
-
HK$19,061 HKD
A
Retailer 2
-
HK$19,351 HKD
View
B+
Retailer 3
-
HK$23,355 HKD
View
Price last confirmed 4 days ago
B+
Retailer 4
-
HK$23,551 HKD
View
B+
Retailer 5
-
HK$25,409 HKD
View
Retailer 6
-
HK$25,526 HKD
View
Price last confirmed 10 days ago
Retailer 7
-
HK$25,973 HKD
View
Price last confirmed 29 days ago
B+
Retailer 8
-
HK$26,279 HKD
View
Retailer 9
-
HK$27,204 HKD
View
Price last confirmed 38 days ago
Retailer 10
-
HK$27,737 HKD
View
Price last confirmed 30 days ago
B+
Retailer 11
-
HK$27,987 HKD
View
B+
Retailer 12
-
HK$28,356 HKD
View
Retailer 13
-
HK$29,962 HKD
View
Price last confirmed 33 days ago
B+
Retailer 14
-
HK$30,276 HKD
View
B+
Retailer 15
-
HK$31,365 HKD
View
B
Retailer 16
-
HK$42,675 HKD
View
Most Expensive
NZ Jewellers
e2e3921f-dce8-4e42-b8cf-3e37f4a58237 · Oct 6
HK$45,245 HKD
$5,773 USD
View
Price last confirmed 31 days ago
16 more retailers have this diamond
Prices start from HK$19,061 HKDSave up to HK$23,614 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$19,061 HKD