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Cushion|Lab Grown|IGI

1.03ct E FL Cushion Lab Grown Diamond

ID • E/FL • IGI LG818662845

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG818662845

Diamond specifications and retailer prices

From €322 EUR
$360 USD
As of October 30, 2026
Save €1,119 EUR (78%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €1,441 EUR at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.03ct lab-grown cushion diamond

This 1.03ct 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 LG818662845 or 818662845. Listed at 15 retailers as of October 30, 2026, with prices from €322 to €1,441, a €1,119 spread on the same certified stone. Brilliant Earth lists it at €1,441. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818662845
Dimensions6.09 × 6.09 × 3.81 mm
L/W Ratio1.00
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
6.09 mm6.09 mm1.03 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818662845
Side View
Table 60.0%Crown 34.6°Girdle: MediumPavilion 39.1°Culet: NoneDepth 62.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: €1,441 EUR|Low: €322 EUR|High: €1,951 EUR|Avg: €847 EUR|-26.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
October 30, 2026
Retailer 15€322 EUR
Retailer 2€378 EUR
Retailer 7€399 EUR
Retailer 13€497 EUR
Retailer 14€557 EUR
Retailer 3€578 EUR
Retailer 9€582 EUR
Retailer 11€613 EUR
Retailer 8€637 EUR
Retailer 5€637 EUR
Retailer 6€1,177 EUR
Retailer 4€1,187 EUR
Retailer 12€1,415 EUR
Retailer 10€1,437 EUR
Brilliant Earth€1,441 EUR

37 data points across 15 retailers

15 retailers€322 EUR to €1,441 EUR

A
Cheapest Retailer
-
€322 EUR
$360 USD
Final sale: no returns
A
Retailer 2
-
€378 EUR
£333 GBP
View
Retailer 3
-
€399 EUR
$446 USD
View
Price last confirmed 18 days ago
A
Retailer 4
-
€497 EUR
$555 USD
View
A
Retailer 5
-
€557 EUR
$622 USD
View
A
Retailer 6
-
€578 EUR
$646 USD
View
A
Retailer 7
-
€582 EUR
View
A
Retailer 8
-
€613 EUR
ZAR 11,058 ZAR
View
A
Retailer 9
-
€637 EUR
£560 GBP
View
A
Retailer 10
-
€637 EUR
$712 USD
View
Retailer 11
-
€1,177 EUR
$1,315 USD
View
Price last confirmed 12 days ago
B
Retailer 12
-
€1,187 EUR
$1,326 USD
View
B
Retailer 13
-
€1,415 EUR
$1,581 USD
View
B
Retailer 14
-
€1,437 EUR
£1,264 GBP
View
Most Expensive
B
Brilliant Earth
21242374A · Oct 30
€1,441 EUR
$1,610 USD
View
14 more retailers have this diamond
Prices start from €322 EURSave up to €1,119 EUR

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.03ct Cushion
€322 EUR