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Round|Natural|GIA

1.23ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 2556885249

Certificate GIA 2556885249

Diamond specifications and retailer prices

From HK$12,258 HKD
As of November 5, 2026
Save HK$10,775 HKD (47%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: HK$23,033 HKD at Wholesale Diamonds Direct · As of November 6, 2026
View at Wholesale Diamonds Direct

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 top-tier cut grade and certified by GIA 2556885249. Listed at 9 retailers as of November 5, 2026, with prices from HK$12,258 to HK$23,033, a HK$10,775 spread on the same certified stone. Wholesale Diamonds Direct lists it at HK$23,033. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.23
Carat
J
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2556885249
Dimensions6.80 × 4.26 × 4.26 mm
L/W Ratio1.60
Culet sizeNone
Top View
6.80 mm4.26 mm1.23 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2556885249
Side View
Table 57.0%Crown 36.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.6%

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 5
Current: HK$13,958 HKD|Low: HK$12,195 HKD|High: HK$25,135 HKD|Avg: HK$17,450 HKD|-8.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Wholesale Diamonds Direct
November 6, 2026
Retailer 2HK$12,258 HKD
Retailer 8HK$13,324 HKD
Retailer 1HK$13,958 HKD
Retailer 4HK$15,299 HKD
Retailer 7HK$15,322 HKD
Retailer 5HK$17,916 HKD
Retailer 6HK$18,198 HKD
Retailer 3HK$19,664 HKD
Wholesale Diamonds DirectHK$23,033 HKD

39 data points across 9 retailers

9 retailersHK$12,258 HKD to HK$23,033 HKD

A
Cheapest Retailer
-
HK$12,258 HKD
A
Retailer 2
-
HK$13,324 HKD
View
A
Retailer 3
-
HK$13,958 HKD
View
A
Retailer 4
-
HK$15,299 HKD
View
A
Retailer 5
-
HK$15,322 HKD
View
B+
Retailer 6
-
HK$17,916 HKD
View
B+
Retailer 7
-
HK$18,198 HKD
View
B+
Retailer 8
-
HK$19,664 HKD
View
Most Expensive
B
Wholesale Diamonds Direct
570868291 · Nov 6
HK$23,033 HKD
$2,939 USD
View
8 more retailers have this diamond
Prices start from HK$12,258 HKDSave up to HK$10,775 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$12,258 HKD