Marquise|Lab Grown|IGI

1.50ct G VS1 Marquise Lab Grown Diamond

ID • G/VS1 • IGI LG850606791

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG850606791

Diamond specifications and retailer prices

From $451 USD
As of October 28, 2026
Save $606 USD (57%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $1,057 USD at MOH London · As of October 29, 2026
View at MOH London

About this 1.5ct lab-grown marquise diamond

This 1.5ct lab-grown marquise sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG850606791 or 850606791. Listed at 5 retailers as of October 28, 2026, with prices from $451 to $1,057, a $606 spread on the same certified stone. MOH London lists it at $1,057. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.50
Carat
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.6°
Pavilion angle38.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG850606791
Dimensions12.88 × 5.87 × 3.49 mm
L/W Ratio2.19
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.88 mm5.87 mm1.50 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG850606791
Side View
Table 56.0%Crown 32.6°Girdle: MED-THKPavilion 38.3°Culet: NoneDepth 59.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 28
Current: $1,057 USD|Low: $451 USD|High: $1,057 USD|Avg: $660 USD|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 29, 2026
Retailer 5$451 USD
Retailer 3$473 USD
Retailer 2$483 USD
Retailer 4$896 USD
MOH London$1,057 USD

5 data points across 5 retailers

5 retailers$451 USD to $1,057 USD

A
Cheapest Retailer
-
$451 USD
A
Retailer 2
-
$473 USD
View
A
Retailer 3
-
$483 USD
£380 GBP
View
B+
Retailer 4
-
$896 USD
View
Most Expensive
B
MOH London
LG850606791 · Oct 29
$1,057 USD
£832 GBP
View
4 more retailers have this diamond
Prices start from $451 USDSave up to $606 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
1.50ct Marquise
$451 USD