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1.23ct J SI2 Round Natural Diamond

VG • J/SI2 • HRD 220000154301

Shape and cutting style on the report: Brilliant

Certificate HRD 220000154301

Diamond specifications and retailer prices

From HK$13,331 HKD
As of November 5, 2026
Save HK$22,368 HKD (63%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$35,699 HKD at NZ Jewellers · As of November 5, 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 SI2 clarity (slightly-included), with a very-good cut grade and certified by HRD 220000154301. Listed at 11 retailers as of November 5, 2026, with prices from HK$13,331 to HK$35,699, a HK$22,368 spread on the same certified stone. NZ Jewellers lists it at HK$35,699. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.23
Carat
J
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceStrong
Crown angle36.6°
Pavilion angle40.9°
OriginNatural
Grading LabHRD
CertificateHRD 220000154301
Dimensions6.67 × 6.74 × 4.31 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
6.67 mm6.74 mm1.23 ctJ / SI2
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceStrong
CertificateHRD 220000154301
Side View
Table 57.0%Crown 36.6°Girdle: MediumPavilion 40.9°Culet: NoneDepth 64.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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$35,699 HKD|Low: HK$13,331 HKD|High: HK$35,699 HKD|Avg: HK$17,770 HKD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 10HK$13,331 HKD
Retailer 11HK$13,504 HKD
Retailer 7HK$14,241 HKD
Retailer 5HK$14,632 HKD
Retailer 8HK$14,640 HKD
Retailer 3HK$14,734 HKD
Retailer 6HK$15,314 HKD
Retailer 9HK$16,890 HKD
Retailer 2HK$19,829 HKD
Retailer 4HK$25,566 HKD
NZ JewellersHK$35,699 HKD

20 data points across 11 retailers

11 retailersHK$13,331 HKD to HK$35,699 HKD

B+
Cheapest Retailer
-
HK$13,331 HKD
B+
Retailer 2
-
HK$13,504 HKD
View
Final sale: no returns
B+
Retailer 3
-
HK$14,241 HKD
View
Retailer 4
-
HK$14,632 HKD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
HK$14,640 HKD
View
B+
Retailer 6
-
HK$14,734 HKD
View
B+
Retailer 7
-
HK$15,314 HKD
View
B+
Retailer 8
-
HK$16,890 HKD
View
B
Retailer 9
-
HK$19,829 HKD
View
B
Retailer 10
-
HK$25,566 HKD
View
Most Expensive
C
NZ Jewellers
5b8088a0-7d8e-4b3c-b1ca-b7368b401de1 · Nov 5
HK$35,699 HKD
$4,555 USD
View
10 more retailers have this diamond
Prices start from HK$13,331 HKDSave up to HK$22,368 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.

B+
1.23ct Round
HK$13,331 HKD