Marquise|Lab Grown|IGI

1.50ct G VS1 Marquise Lab Grown Diamond

ID • G/VS1 • IGI LG845655485

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG845655485

Diamond specifications and retailer prices

From $297 USD
£234 GBP
As of November 2, 2026
Save $890 USD (75%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,186 USD at MOH London · As of November 2, 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 LG845655485 or 845655485. Listed at 9 retailers as of November 2, 2026, with prices from $297 to $1,186, a $890 spread on the same certified stone. MOH London lists it at $1,186. 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 angle33.7°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG845655485
Dimensions12.10 × 5.99 × 3.62 mm
L/W Ratio2.02
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.10 mm5.99 mm1.50 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG845655485
Side View
Table 60.0%Crown 33.7°Girdle: MED-STKPavilion 39.7°Culet: NoneDepth 60.4%

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: Nov 2
Current: $1,186 USD|Low: $297 USD|High: $1,186 USD|Avg: $680 USD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 6$297 USD
Retailer 9$439 USD
Retailer 7$463 USD
Retailer 4$470 USD
Retailer 5$592 USD
Retailer 3$819 USD
Retailer 8$869 USD
Retailer 2$1,033 USD
MOH London$1,186 USD

2 data points across 9 retailers

9 retailers$297 USD to $1,186 USD

A
Cheapest Retailer
-
$297 USD
£234 GBP
B+
Retailer 2
-
$439 USD
View
A
Retailer 3
-
$463 USD
£365 GBP
View
A
Retailer 4
-
$470 USD
View
A
Retailer 5
-
$592 USD
A$910 AUD
View
B+
Retailer 6
-
$819 USD
View
B+
Retailer 7
-
$869 USD
View
B
Retailer 8
-
$1,033 USD
View
Most Expensive
B
MOH London
LG845655485 · Nov 2
$1,186 USD
£934 GBP
View
8 more retailers have this diamond
Prices start from $297 USDSave up to $890 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
$297 USD