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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 $3,180 SGD
$2,490 USD
As of November 4, 2026
1 retailer carries this diamond
Only listing: $3,180 SGD 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
Colour
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: $3,180 SGD|Low: $469 SGD|High: $3,180 SGD|Avg: $1,488 SGD|+36.8%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 11
April 14, 2026
Retailer 11$469 SGD
Retailer 10$604 SGD
Retailer 7$613 SGD
Retailer 8$794 SGD
Retailer 5$1,429 SGD
Retailer 3$1,595 SGD
Retailer 9$1,639 SGD
Retailer 4$1,694 SGD
Retailer 2$1,768 SGD
Retailer 6$1,806 SGD
Brilliant Earth$3,180 SGD

34 data points across 11 retailers

1 retailer

B
Brilliant Earth
6784767B · Nov 4
$3,180 SGD
$2,490 USD
View

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B
1.11ct Marquise
$3,180 SGD