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Marquise|Lab Grown|IGI

1.23ct F VS1 Marquise Lab Grown Diamond

ID • F/VS1 • IGI LG851664807

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG851664807

Diamond specifications and retailer prices

From HK$1,679 HKD
As of November 2, 2026
Save HK$6,631 HKD (80%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$8,309 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 F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG851664807 or 851664807. Listed at 13 retailers as of November 2, 2026, with prices from HK$1,679 to HK$8,309, a HK$6,631 spread on the same certified stone. MOH London lists it at HK$8,309. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG851664807
Dimensions10.90 × 5.62 × 3.54 mm
L/W Ratio1.94
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.90 mm5.62 mm1.23 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG851664807
Side View
Table 59.0%Crown 35.4°Girdle: STK-THKPavilion 40.2°Culet: NoneDepth 63.0%

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 2
Current: HK$8,309 HKD|Low: HK$1,679 HKD|High: HK$8,309 HKD|Avg: HK$4,406 HKD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 5, 2026
Retailer 11HK$1,679 HKD
Retailer 4HK$2,306 HKD
Retailer 7HK$2,487 HKD
Retailer 12HK$3,570 HKD
Retailer 10HK$3,687 HKD
Retailer 5HK$5,084 HKD
Retailer 8HK$5,217 HKD
Retailer 2HK$5,547 HKD
Retailer 3HK$6,700 HKD
Retailer 6HK$6,708 HKD
Retailer 9HK$7,053 HKD
MOH LondonHK$8,309 HKD

4 data points across 12 retailers

13 retailersHK$1,679 HKD to HK$8,309 HKD

A
Cheapest Retailer
-
HK$1,679 HKD
A
Retailer 2
-
HK$2,306 HKD
View
A
Retailer 3
-
HK$2,487 HKD
View
A
Retailer 4
-
HK$3,570 HKD
View
A
Retailer 5
-
HK$3,687 HKD
View
B+
Retailer 6
-
HK$5,084 HKD
View
B+
Retailer 7
-
HK$5,217 HKD
View
B+
Retailer 8
-
HK$5,547 HKD
View
B
Retailer 9
-
HK$6,700 HKD
View
B
Retailer 10
-
HK$6,708 HKD
View
B
Retailer 11
-
HK$6,825 HKD
View
B
Retailer 12
-
HK$7,053 HKD
View
Most Expensive
B
MOH London
LG851664807 · Nov 5
HK$8,309 HKD
£834 GBP
View
12 more retailers have this diamond
Prices start from HK$1,679 HKDSave up to HK$6,631 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$1,679 HKD