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1.23ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG792617957

Shape and cutting style on the report: Round brilliant

Certificate IGI LG792617957

Diamond specifications and retailer prices

From HK$2,424 HKD
As of November 5, 2026
Save HK$6,971 HKD (74%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: HK$9,395 HKD at MOH London · As of November 5, 2026
View at MOH London

About this 1.23ct lab-grown round diamond

This 1.23ct lab-grown 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 IGI LG792617957 or 792617957. Listed at 7 retailers as of November 5, 2026, with prices from HK$2,424 to HK$9,395, a HK$6,971 spread on the same certified stone. MOH London lists it at HK$9,395. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG792617957
Dimensions7.00 × 7.03 × 4.17 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.00 mm7.03 mm1.23 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG792617957
Side View
Table 59.0%Crown 33.4°Girdle: THN-MEDPavilion 40.9°Culet: NoneDepth 59.4%

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$9,395 HKD|Low: HK$2,322 HKD|High: HK$9,465 HKD|Avg: HK$5,417 HKD|+14.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 3HK$2,424 HKD
Retailer 6HK$3,640 HKD
Retailer 2HK$4,370 HKD
Retailer 4HK$4,621 HKD
Retailer 7HK$6,253 HKD
Retailer 5HK$8,889 HKD
MOH LondonHK$9,395 HKD

33 data points across 7 retailers

7 retailersHK$2,424 HKD to HK$9,395 HKD

A
Cheapest Retailer
-
HK$2,424 HKD
B+
Retailer 2
-
HK$3,640 HKD
View
B
Retailer 3
-
HK$4,370 HKD
View
B+
Retailer 4
-
HK$4,621 HKD
View
B
Retailer 5
-
HK$6,253 HKD
View
B
Retailer 6
-
HK$8,889 HKD
View
Most Expensive
B
MOH London
LG792617957 · Nov 5
HK$9,395 HKD
£943 GBP
View
6 more retailers have this diamond
Prices start from HK$2,424 HKDSave up to HK$6,971 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$2,424 HKD