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Marquise|Lab Grown|IGI

1.25ct F VS1 Marquise Lab Grown Diamond

ID • F/VS1 • IGI LG838649551

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG838649551

Diamond specifications and retailer prices

From $595 CAD
$426 USD
As of October 30, 2026
Save $1,016 CAD (63%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $1,611 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 LG838649551 or 838649551. Listed at 5 retailers as of October 29, 2026, with prices from $595 to $1,611, a $1,016 spread on the same certified stone. MOH London lists it at $1,611. 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 angle35.4°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG838649551
Dimensions11.03 × 5.51 × 3.52 mm
L/W Ratio2.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.03 mm5.51 mm1.25 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG838649551
Side View
Table 63.0%Crown 35.4°Girdle: MED-THKPavilion 41.4°Culet: NoneDepth 63.9%

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: $1,611 CAD|Low: $595 CAD|High: $1,611 CAD|Avg: $927 CAD|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 31, 2026
Retailer 5$595 CAD
Retailer 2$622 CAD
Retailer 3$648 CAD
Retailer 4$1,177 CAD
MOH London$1,611 CAD

7 data points across 5 retailers

5 retailers$595 CAD to $1,611 CAD

A
Cheapest Retailer
-
$595 CAD
$426 USD
A
Retailer 2
-
$622 CAD
£351 GBP
View
A
Retailer 3
-
$648 CAD
$464 USD
View
B
Retailer 4
-
$1,177 CAD
$842 USD
View
Most Expensive
B
MOH London
LG838649551 · Oct 29
$1,611 CAD
£908 GBP
View
4 more retailers have this diamond
Prices start from $595 CADSave up to $1,016 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
$595 CAD