Round|Natural|GIA

1.23ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 6247074140

Certificate GIA 6247074140

Diamond specifications and retailer prices

From HK$34,833 HKD
As of November 1, 2026
Save HK$27,867 HKD (44%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: HK$62,700 HKD at MOH London · As of November 2, 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 6247074140. Listed at 6 retailers as of November 1, 2026, with prices from HK$34,833 to HK$62,700, a HK$27,867 spread on the same certified stone. MOH London lists it at HK$62,700. 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
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6247074140
Dimensions6.77 × 6.82 × 4.28 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Crystal, Cloud, Needle
Top View
6.77 mm6.82 mm1.23 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6247074140
Side View
Table 57.0%Crown 35.5°Girdle: Sli. ThickPavilion 41°Culet: NoneDepth 62.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: HK$62,700 HKD|Low: HK$34,833 HKD|High: HK$68,628 HKD|Avg: HK$44,815 HKD|-7.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 5HK$34,833 HKD
Retailer 4HK$35,429 HKD
Retailer 2HK$38,512 HKD
Retailer 6HK$42,270 HKD
Retailer 3HK$44,208 HKD
MOH LondonHK$62,700 HKD

42 data points across 6 retailers

6 retailersHK$34,833 HKD to HK$62,700 HKD

B+
Cheapest Retailer
-
HK$34,833 HKD
B+
Retailer 2
-
HK$35,429 HKD
View
B+
Retailer 3
-
HK$38,512 HKD
View
Retailer 4
-
HK$42,270 HKD
View
Price last confirmed 28 days ago
B+
Retailer 5
-
HK$44,208 HKD
View
Most Expensive
B
MOH London
6DEF767AC · Nov 2
HK$62,700 HKD
£6,293 GBP
View
5 more retailers have this diamond
Prices start from HK$34,833 HKDSave up to HK$27,867 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$34,833 HKD