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Marquise|Lab Grown|IGI

1.23ct E SI1 Marquise Lab Grown Diamond

ID • E/SI1 • IGI LG733544094

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG733544094

Diamond specifications and retailer prices

From HK$3,013 HKD
As of November 6, 2026
Save HK$4,918 HKD (62%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: HK$7,931 HKD at MOH London · As of November 5, 2026
View at MOH London

About this 1.23ct lab-grown marquise diamond

This 1.23ct lab-grown marquise 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 LG733544094 or 733544094. Listed at 7 retailers as of November 5, 2026, with prices from HK$3,013 to HK$7,931, a HK$4,918 spread on the same certified stone. MOH London lists it at HK$7,931. 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 angle36.5°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG733544094
Dimensions11.29 × 5.49 × 3.42 mm
L/W Ratio2.06
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.29 mm5.49 mm1.23 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG733544094
Side View
Table 60.0%Crown 36.5°Girdle: MED-STKPavilion 39.7°Culet: NoneDepth 62.3%

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 6
Current: HK$7,931 HKD|Low: HK$2,510 HKD|High: HK$8,040 HKD|Avg: HK$4,102 HKD|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 2HK$3,013 HKD
Retailer 3HK$3,028 HKD
Retailer 5HK$3,028 HKD
Retailer 6HK$3,217 HKD
Retailer 4HK$4,244 HKD
Retailer 7HK$5,139 HKD
MOH LondonHK$7,931 HKD

38 data points across 7 retailers

7 retailersHK$3,013 HKD to HK$7,931 HKD

A
Cheapest Retailer
-
HK$3,013 HKD
A
Retailer 2
-
HK$3,028 HKD
View
Retailer 3
-
HK$3,028 HKD
View
Price last confirmed 10 days ago
A
Retailer 4
-
HK$3,217 HKD
View
B+
Retailer 5
-
HK$4,244 HKD
View
Retailer 6
-
HK$5,139 HKD
View
Price last confirmed 43 days ago
Most Expensive
B
MOH London
LG733544094 · Nov 5
HK$7,931 HKD
£796 GBP
View
6 more retailers have this diamond
Prices start from HK$3,013 HKDSave up to HK$4,918 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 Marquise
HK$3,013 HKD