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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 €192 EUR
As of November 2, 2026
Save €757 EUR (80%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €949 EUR 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 €192 to €949, a €757 spread on the same certified stone. MOH London lists it at €949. 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

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: €949 EUR|Low: €192 EUR|High: €949 EUR|Avg: €503 EUR
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 11€192 EUR
Retailer 4€263 EUR
Retailer 7€284 EUR
Retailer 12€408 EUR
Retailer 10€421 EUR
Retailer 5€580 EUR
Retailer 8€596 EUR
Retailer 2€633 EUR
Retailer 3€765 EUR
Retailer 6€766 EUR
Retailer 9€805 EUR
MOH London€949 EUR

4 data points across 12 retailers

13 retailers€192 EUR to €949 EUR

A
Cheapest Retailer
-
€192 EUR
A
Retailer 2
-
€263 EUR
View
A
Retailer 3
-
€284 EUR
View
A
Retailer 4
-
€408 EUR
View
A
Retailer 5
-
€421 EUR
View
B+
Retailer 6
-
€580 EUR
View
B+
Retailer 7
-
€596 EUR
View
B+
Retailer 8
-
€633 EUR
View
B
Retailer 9
-
€765 EUR
View
B
Retailer 10
-
€766 EUR
View
B
Retailer 11
-
€779 EUR
View
B
Retailer 12
-
€805 EUR
View
Most Expensive
B
MOH London
LG851664807 · Nov 5
€949 EUR
£834 GBP
View
12 more retailers have this diamond
Prices start from €192 EURSave up to €757 EUR

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
€192 EUR