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Marquise|Lab Grown|IGI

1.23ct G VS2 Marquise Lab Grown Diamond

VG • G/VS2 • IGI LG541281623

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG541281623

Diamond specifications and retailer prices

From HK$2,973 HKD
As of November 5, 2026
Save HK$4,888 HKD (62%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: HK$7,861 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 G colour (near-colourless) and VS2 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG541281623 or 541281623. Listed at 4 retailers as of November 2, 2026, with prices from HK$2,973 to HK$7,861, a HK$4,888 spread on the same certified stone. MOH London lists it at HK$7,861. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.23
Carat
G
Colour
VS2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.7°
Pavilion angle38.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG541281623
Dimensions11.47 × 5.75 × 3.31 mm
L/W Ratio1.99
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
11.47 mm5.75 mm1.23 ctG / VS2
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG541281623
Side View
Table 60.5%Crown 31.7°Girdle: MED-STKPavilion 38.9°Culet: NoneDepth 57.6%

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$7,861 HKD|Low: HK$2,801 HKD|High: HK$7,961 HKD|Avg: HK$4,268 HKD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 5, 2026
Retailer 2HK$2,973 HKD
Retailer 3HK$2,997 HKD
Retailer 4HK$3,570 HKD
Retailer 5HK$3,962 HKD
MOH LondonHK$7,861 HKD

42 data points across 5 retailers

4 retailersHK$2,973 HKD to HK$7,861 HKD

A
Cheapest Retailer
-
HK$2,973 HKD
A
Retailer 2
-
HK$2,997 HKD
View
B+
Retailer 3
-
HK$3,570 HKD
View
Most Expensive
B
MOH London
LG541281623 · Nov 2
HK$7,861 HKD
£789 GBP
View
3 more retailers have this diamond
Prices start from HK$2,973 HKDSave up to HK$4,888 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$2,973 HKD