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Marquise|Lab Grown|IGI

1.11ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG490174403

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG490174403

Diamond specifications and retailer prices

From $2,490 USD
As of November 4, 2026
1 retailer carries this diamond
Only listing: $2,490 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 1.11ct lab-grown marquise diamond

This 1.11ct lab-grown marquise sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG490174403 or 490174403. 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

1.11
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG490174403
Dimensions10.78 × 5.53 × 3.30 mm
L/W Ratio1.95
Girdle conditionFaceted
Culet sizePointed
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
10.78 mm5.53 mm1.11 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG490174403
Side View
Table 62.0%Crown 33.1°Girdle: MED-STKPavilion 39.9°Culet: NoneDepth 59.7%

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: $2,490 USD|Low: $367 USD|High: $2,490 USD|Avg: $1,165 USD|+36.8%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
April 14, 2026
Retailer 11$367 USD
Retailer 10$473 USD
Retailer 7$480 USD
Retailer 8$622 USD
Retailer 5$1,119 USD
Retailer 3$1,249 USD
Retailer 9$1,283 USD
Retailer 4$1,326 USD
Retailer 2$1,384 USD
Retailer 6$1,414 USD
Brilliant Earth$2,490 USD

34 data points across 11 retailers

1 retailer

B
Brilliant Earth
6784767B · Nov 4
$2,490 USD
View

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B
1.11ct Marquise
$2,490 USD