CaratHunter
Plans
Marquise|Lab Grown|IGI

1.23ct F VS1 Marquise Lab Grown Diamond

EX • F/VS1 • IGI LG791647824

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG791647824

Diamond specifications and retailer prices

From HK$3,154 HKD
As of November 4, 2026
Save HK$5,215 HKD (62%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: HK$8,369 HKD at MOH London · As of November 2, 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 F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG791647824 or 791647824. Listed at 7 retailers as of November 2, 2026, with prices from HK$3,154 to HK$8,369, a HK$5,215 spread on the same certified stone. MOH London lists it at HK$8,369. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle35.3°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG791647824
Dimensions11.84 × 5.47 × 3.33 mm
L/W Ratio2.16
Girdle conditionFaceted
Culet sizeNone
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.84 mm5.47 mm1.23 ctF / VS1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG791647824
Side View
Table 55.0%Crown 35.3°Girdle: THN-MEDPavilion 39.6°Culet: NoneDepth 60.9%

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 4
Current: HK$8,369 HKD|Low: HK$2,989 HKD|High: HK$8,559 HKD|Avg: HK$4,830 HKD|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 4, 2026
Retailer 3HK$3,154 HKD
Retailer 2HK$3,201 HKD
Retailer 5HK$3,507 HKD
Retailer 4HK$4,323 HKD
Retailer 7HK$5,217 HKD
Retailer 6HK$6,174 HKD
MOH LondonHK$8,369 HKD

39 data points across 7 retailers

7 retailersHK$3,154 HKD to HK$8,369 HKD

A
Cheapest Retailer
-
HK$3,154 HKD
A
Retailer 2
-
HK$3,201 HKD
View
A
Retailer 3
-
HK$3,507 HKD
View
B+
Retailer 4
-
HK$4,323 HKD
View
B+
Retailer 5
-
HK$5,217 HKD
View
B+
Retailer 6
-
HK$6,174 HKD
View
Most Expensive
B
MOH London
LG791647824 · Nov 2
HK$8,369 HKD
£840 GBP
View
6 more retailers have this diamond
Prices start from HK$3,154 HKDSave up to HK$5,215 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$3,154 HKD