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Marquise|Lab Grown|IGI

1.50ct G IF Marquise Lab Grown Diamond

EX • G/IF • IGI LG636428647

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG636428647

Diamond specifications and retailer prices

From $2,200 USD
As of November 4, 2026
1 retailer carries this diamond
Only listing: $2,200 USD at Brilliant Earth
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Brilliant Earth

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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG636428647 or 636428647. Listed at a single retailer as of November 4, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. 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
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG636428647
Dimensions12.03 × 6.04 × 3.69 mm
L/W Ratio1.99
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
12.03 mm6.04 mm1.50 ctG / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG636428647
Side View
Table 58.0%Crown 35.1°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 61.1%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 4
Current: $2,200 USD|Low: $2,200 USD|High: $3,063 USD|Avg: $2,498 USD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
December 30, 2025
Brilliant Earth$2,200 USD
Retailer 4$2,282 USD
Retailer 2$2,615 USD
Retailer 3$3,063 USD

7 data points across 4 retailers

1 retailer

B
Brilliant Earth
10399796A · Nov 4
$2,200 USD
View

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B
1.50ct Marquise
$2,200 USD