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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 $3,478 CAD
$2,490 USD
As of October 30, 2026
1 retailer carries this diamond
Only listing: $3,478 CAD 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 October 30, 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: Oct 30
Current: $3,478 CAD|Low: $513 CAD|High: $3,478 CAD|Avg: $1,628 CAD|+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$513 CAD
Retailer 10$662 CAD
Retailer 7$671 CAD
Retailer 8$870 CAD
Retailer 5$1,563 CAD
Retailer 3$1,746 CAD
Retailer 9$1,792 CAD
Retailer 4$1,852 CAD
Retailer 2$1,934 CAD
Retailer 6$1,976 CAD
Brilliant Earth$3,478 CAD

34 data points across 11 retailers

1 retailer

B
Brilliant Earth
6784767B · Oct 30
$3,478 CAD
$2,490 USD
View

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B
1.11ct Marquise
$3,478 CAD