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Marquise|Lab Grown|IGI

1.25ct F VS1 Marquise Lab Grown Diamond

ID • F/VS1 • IGI LG843699084

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG843699084

Diamond specifications and retailer prices

From $447 CAD
$320 USD
As of October 30, 2026
Save $1,104 CAD (71%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $1,551 CAD at MOH London · As of October 29, 2026
View at MOH London

About this 1.25ct lab-grown marquise diamond

This 1.25ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG843699084 or 843699084. Listed at 5 retailers as of October 29, 2026, with prices from $447 to $1,551, a $1,104 spread on the same certified stone. MOH London lists it at $1,551. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.25
Carat
F
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.6°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843699084
Dimensions11.24 × 5.60 × 3.46 mm
L/W Ratio2.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.24 mm5.60 mm1.25 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843699084
Side View
Table 58.0%Crown 32.6°Girdle: STK-THKPavilion 39.3°Culet: NoneDepth 61.8%

Caratlytics Score

How it works →
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: Oct 30
Current: $1,551 CAD|Low: $447 CAD|High: $1,551 CAD|Avg: $860 CAD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 1, 2026
Retailer 5$447 CAD
Retailer 2$599 CAD
Retailer 3$645 CAD
Retailer 4$1,135 CAD
MOH London$1,551 CAD

18 data points across 5 retailers

5 retailers$447 CAD to $1,551 CAD

B+
Cheapest Retailer
-
$447 CAD
$320 USD
A
Retailer 2
-
$599 CAD
£338 GBP
View
A
Retailer 3
-
$645 CAD
$462 USD
View
B
Retailer 4
-
$1,135 CAD
$813 USD
View
Most Expensive
B
MOH London
LG843699084 · Oct 29
$1,551 CAD
£874 GBP
View
4 more retailers have this diamond
Prices start from $447 CADSave up to $1,104 CAD

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
1.25ct Marquise
$447 CAD