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Cushion|Lab Grown|IGI

1.00ct E IF Cushion Lab Grown Diamond

ID • E/IF • IGI LG825630717

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

Certificate IGI LG825630717

Diamond specifications and retailer prices

From €473 EUR
$528 USD
As of October 30, 2026
Save €1,174 EUR (71%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €1,647 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 LG825630717 or 825630717. Listed at 10 retailers as of October 30, 2026, with prices from €473 to €1,647, a €1,174 spread on the same certified stone. Brilliant Earth lists it at €1,647. 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 angle33.7°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825630717
Dimensions5.89 × 5.85 × 3.78 mm
L/W Ratio1.01
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
5.89 mm5.85 mm1.00 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825630717
Side View
Table 62.0%Crown 33.7°Girdle: MED-THKPavilion 38.6°Culet: NoneDepth 64.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: €1,647 EUR|Low: €466 EUR|High: €1,665 EUR|Avg: €843 EUR|-1.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 6€473 EUR
Retailer 3€511 EUR
Retailer 2€536 EUR
Retailer 4€539 EUR
Retailer 10€870 EUR
Retailer 7€954 EUR
Retailer 5€991 EUR
Retailer 9€1,119 EUR
Retailer 8€1,167 EUR
Brilliant Earth€1,647 EUR

41 data points across 10 retailers

10 retailers€473 EUR to €1,647 EUR

A
Cheapest Retailer
-
€473 EUR
$528 USD
A
Retailer 2
-
€511 EUR
$571 USD
View
A
Retailer 3
-
€536 EUR
View
A
Retailer 4
-
€539 EUR
£474 GBP
View
Retailer 5
-
€870 EUR
A$1,496 AUD
View
Price last confirmed 24 days ago
B+
Retailer 6
-
€954 EUR
$1,066 USD
View
B+
Retailer 7
-
€991 EUR
$1,107 USD
View
Retailer 8
-
€1,119 EUR
$1,250 USD
View
Price last confirmed 13 days ago
B+
Retailer 9
-
€1,167 EUR
£1,027 GBP
View
Most Expensive
B
Brilliant Earth
21214347A · Oct 31
€1,647 EUR
$1,840 USD
View
9 more retailers have this diamond
Prices start from €473 EURSave up to €1,174 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
€473 EUR