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Marquise|Lab Grown|IGI

1.25ct E VS2 Marquise Lab Grown Diamond

ID • E/VS2 • IGI LG754519178

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG754519178

Diamond specifications and retailer prices

From $437 USD
As of October 28, 2026
Save $590 USD (57%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $1,027 USD at MOH London · As of October 25, 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 E colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG754519178 or 754519178. Listed at 5 retailers as of October 25, 2026, with prices from $437 to $1,027, a $590 spread on the same certified stone. MOH London lists it at $1,027. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.25
Carat
E
Color
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754519178
Dimensions11.05 × 5.75 × 3.56 mm
L/W Ratio1.92
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.05 mm5.75 mm1.25 ctE / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754519178
Side View
Table 59.0%Crown 33.5°Girdle: MediumPavilion 41.1°Culet: NoneDepth 61.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 28
Current: $1,027 USD|Low: $417 USD|High: $1,038 USD|Avg: $644 USD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 29, 2026
Retailer 3$437 USD
Retailer 2$465 USD
Retailer 4$466 USD
Retailer 5$876 USD
MOH London$1,027 USD

41 data points across 5 retailers

5 retailers$437 USD to $1,027 USD

A
Cheapest Retailer
-
$437 USD
A
Retailer 2
-
$465 USD
£366 GBP
View
A
Retailer 3
-
$466 USD
View
B
Retailer 4
-
$876 USD
View
Price last confirmed 11 days ago
Most Expensive
B
MOH London
LG754519178 · Oct 25
$1,027 USD
£809 GBP
View
4 more retailers have this diamond
Prices start from $437 USDSave up to $590 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
$437 USD