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Marquise|Lab Grown|IGI

1.25ct G VS1 Marquise Lab Grown Diamond

EX • G/VS1 • IGI LG541281603

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG541281603

Diamond specifications and retailer prices

From $385 USD
As of November 4, 2026
Save $631 USD (62%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $1,016 USD at MOH London · As of November 2, 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 G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG541281603 or 541281603. Listed at 4 retailers as of November 2, 2026, with prices from $385 to $1,016, a $631 spread on the same certified stone. MOH London lists it at $1,016. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.25
Carat
G
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.2°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG541281603
Dimensions11.40 × 5.67 × 3.47 mm
L/W Ratio2.01
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
11.40 mm5.67 mm1.25 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG541281603
Side View
Table 58.0%Crown 32.2°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 61.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: $1,016 USD|Low: $361 USD|High: $1,029 USD|Avg: $544 USD|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 4, 2026
Retailer 2$385 USD
Retailer 3$386 USD
Retailer 4$458 USD
Retailer 5$510 USD
MOH London$1,016 USD

41 data points across 5 retailers

4 retailers$385 USD to $1,016 USD

A
Cheapest Retailer
-
$385 USD
A
Retailer 2
-
$386 USD
View
A
Retailer 3
-
$458 USD
View
Most Expensive
B
MOH London
LG541281603 · Nov 2
$1,016 USD
£800 GBP
View
3 more retailers have this diamond
Prices start from $385 USDSave up to $631 USD

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
$385 USD