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1.23ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 6552995220

Certificate GIA 6552995220

Diamond specifications and retailer prices

From HK$38,120 HKD
As of November 6, 2026
Save HK$22,916 HKD (38%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: HK$61,036 HKD at MOH London · As of November 4, 2026
View at MOH London

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 6552995220. Listed at 8 retailers as of November 4, 2026, with prices from HK$38,120 to HK$61,036, a HK$22,916 spread on the same certified stone. MOH London lists it at HK$61,036. 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
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6552995220
Dimensions6.78 × 6.83 × 4.29 mm
L/W Ratio1.01
Top View
6.78 mm6.83 mm1.23 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6552995220
Side View
Table 57.0%CrownGirdlePavilionCulet: NoneDepth 63.0%

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 6
Current: HK$61,036 HKD|Low: HK$21,488 HKD|High: HK$61,524 HKD|Avg: HK$35,703 HKD|+20.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 6HK$21,488 HKD
Retailer 7HK$30,220 HKD
Retailer 8HK$31,891 HKD
Retailer 3HK$38,120 HKD
Retailer 5HK$40,552 HKD
Retailer 2HK$41,831 HKD
Retailer 4HK$48,028 HKD
MOH LondonHK$61,036 HKD

29 data points across 8 retailers

8 retailersHK$38,120 HKD to HK$61,036 HKD

Retailer 1
-
HK$21,488 HKD
Price last confirmed 29 days ago
Retailer 2
-
HK$30,220 HKD
View
Price last confirmed 30 days ago
Retailer 3
-
HK$31,891 HKD
View
Price last confirmed 33 days ago
B
Retailer 4
-
HK$38,120 HKD
View
B+
Retailer 5
-
HK$40,552 HKD
View
B+
Retailer 6
-
HK$41,831 HKD
View
B
Retailer 7
-
HK$48,028 HKD
View
Most Expensive
B
MOH London
B60E4151F · Nov 4
HK$61,036 HKD
£6,126 GBP
View
7 more retailers have this diamond
Prices start from HK$38,120 HKDSave up to HK$22,916 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$38,120 HKD