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Cushion|Lab Grown|IGI

1.00ct E IF Cushion Lab Grown Diamond

ID • E/IF • IGI LG658492612

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG658492612

Diamond specifications and retailer prices

From €391 EUR
$437 USD
As of October 30, 2026
Save €1,336 EUR (77%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €1,728 EUR at Brilliant Earth · As of October 31, 2026
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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG658492612 or 658492612. Listed at 19 retailers as of October 30, 2026, with prices from €391 to €1,728, a €1,336 spread on the same certified stone. Brilliant Earth lists it at €1,728. 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
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle34.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG658492612
Dimensions7.36 × 5.19 × 3.41 mm
L/W Ratio1.42
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.36 mm5.19 mm1.00 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG658492612
Side View
Table 60.0%Crown 33.2°Girdle: MED-THKPavilion 34.2°Culet: NoneDepth 65.7%

Caratlytics Score

How it works →
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: €1,728 EUR|Low: €391 EUR|High: €1,728 EUR|Avg: €877 EUR
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
October 31, 2026
Retailer 5€391 EUR
Retailer 4€433 EUR
Retailer 3€564 EUR
Retailer 13€593 EUR
Retailer 2€677 EUR
Retailer 6€710 EUR
Retailer 10€744 EUR
Retailer 8€922 EUR
Retailer 7€1,056 EUR
Retailer 12€1,062 EUR
Retailer 11€1,128 EUR
Retailer 9€1,702 EUR
Brilliant Earth€1,728 EUR

43 data points across 13 retailers

19 retailers€391 EUR to €1,728 EUR

A
Cheapest Retailer
-
€391 EUR
$437 USD
Final sale: no returns
A
Retailer 2
-
€433 EUR
$484 USD
View
A
Retailer 3
-
€441 EUR
$493 USD
View
A
Retailer 4
-
€564 EUR
$630 USD
View
A
Retailer 5
-
€593 EUR
$662 USD
View
A
Retailer 6
-
€677 EUR
View
A
Retailer 7
-
€710 EUR
£625 GBP
View
A
Retailer 8
-
€744 EUR
ZAR 13,435 ZAR
View
B+
Retailer 9
-
€922 EUR
A$1,584 AUD
View
B+
Retailer 10
-
€1,056 EUR
A$1,815 AUD
View
B+
Retailer 11
-
€1,062 EUR
$1,186 USD
View
B+
Retailer 12
-
€1,128 EUR
$1,260 USD
View
Retailer 13
-
€1,128 EUR
$1,260 USD
View
Price last confirmed 33 days ago
B
Retailer 14
-
€1,269 EUR
£1,116 GBP
View
B
Retailer 15
-
€1,426 EUR
$1,593 USD
View
B
Retailer 16
-
€1,612 EUR
$1,801 USD
View
B
Retailer 17
-
€1,618 EUR
$1,808 USD
View
B
Retailer 18
-
€1,702 EUR
£1,497 GBP
View
Most Expensive
B
Brilliant Earth
14013277A · Oct 31
€1,728 EUR
$1,930 USD
View
18 more retailers have this diamond
Prices start from €391 EURSave up to €1,336 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
1.00ct Cushion
€391 EUR