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Round|Natural|GIA

1.23ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 6555589674

Certificate GIA 6555589674

Diamond specifications and retailer prices

From HK$39,446 HKD
As of November 4, 2026
Save HK$31,035 HKD (44%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$70,481 HKD at Wholesale Diamonds Direct · As of November 4, 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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6555589674. Listed at 13 retailers as of November 4, 2026, with prices from HK$39,446 to HK$70,481, a HK$31,035 spread on the same certified stone. Wholesale Diamonds Direct lists it at HK$70,481. 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
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6555589674
Dimensions6.82 × 6.86 × 4.28 mm
L/W Ratio1.01
Girdle conditionMedium
Key to symbols
Crystal, Twinning Wisp
Top View
6.82 mm6.86 mm1.23 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6555589674
Side View
Table 56.0%Crown 36.5°Girdle: MediumPavilion 40.6°Culet: NoneDepth 62.5%

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 4
Current: HK$60,910 HKD|Low: HK$39,446 HKD|High: HK$70,481 HKD|Avg: HK$50,121 HKD|+3.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Wholesale Diamonds Direct
November 5, 2026
Retailer 2HK$39,446 HKD
Retailer 12HK$42,246 HKD
Retailer 4HK$45,267 HKD
Retailer 6HK$47,103 HKD
Retailer 10HK$47,259 HKD
Retailer 8HK$47,871 HKD
Retailer 5HK$49,739 HKD
Retailer 3HK$50,445 HKD
Retailer 7HK$50,445 HKD
Retailer 11HK$51,143 HKD
Retailer 9HK$52,171 HKD
Retailer 1HK$60,910 HKD
Wholesale Diamonds DirectHK$70,481 HKD

43 data points across 13 retailers

13 retailersHK$39,446 HKD to HK$70,481 HKD

B+
Cheapest Retailer
-
HK$39,446 HKD
B+
Retailer 2
-
HK$42,246 HKD
View
B+
Retailer 3
-
HK$45,267 HKD
View
B+
Retailer 4
-
HK$47,103 HKD
View
B
Retailer 5
-
HK$47,259 HKD
View
B
Retailer 6
-
HK$47,871 HKD
View
B
Retailer 7
-
HK$49,739 HKD
View
B
Retailer 8
-
HK$50,445 HKD
View
B
Retailer 9
-
HK$50,445 HKD
View
B
Retailer 10
-
HK$51,143 HKD
View
B
Retailer 11
-
HK$52,171 HKD
View
B
Retailer 12
-
HK$60,910 HKD
View
Most Expensive
B
Wholesale Diamonds Direct
273575981 · Nov 4
HK$70,481 HKD
$8,984 USD
View
12 more retailers have this diamond
Prices start from HK$39,446 HKDSave up to HK$31,035 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$39,446 HKD