Cushion|Lab Grown|IGI

1.00ct E FL Cushion Lab Grown Diamond

ID • E/FL • IGI LG828697378

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG828697378

Diamond specifications and retailer prices

From $1,830 USD
As of October 29, 2026
1 retailer carries this diamond
Only listing: $1,830 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 1ct lab-grown cushion diamond

This 1ct lab-grown cushion sits in the classic one-carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG828697378 or 828697378. Listed at a single retailer as of October 29, 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

1.00
Carat
E
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle33.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG828697378
Dimensions6.99 × 4.92 × 3.44 mm
L/W Ratio1.42
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
6.99 mm4.92 mm1.00 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG828697378
Side View
Table 64.0%Crown 35.8°Girdle: MED-THKPavilion 33.4°CuletDepth 69.9%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 29
Current: $1,830 USD|Low: $490 USD|High: $2,370 USD|Avg: $1,298 USD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
September 29, 2026
Retailer 2$525 USD
Retailer 6$526 USD
Retailer 3$1,071 USD
Retailer 4$1,482 USD
Brilliant Earth$1,830 USD
Retailer 5$2,370 USD

5 data points across 6 retailers

1 retailer

B
Brilliant Earth
21479488Y · Oct 29
$1,830 USD
View

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B
1.00ct Cushion
$1,830 USD