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Cushion|Lab Grown|IGI

1.00ct E IF Cushion Lab Grown Diamond

ID • E/IF • IGI LG689562075

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG689562075

Diamond specifications and retailer prices

From €311 EUR
$347 USD
As of October 30, 2026
Save €1,292 EUR (81%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €1,602 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 LG689562075 or 689562075. Listed at 16 retailers as of October 30, 2026, with prices from €311 to €1,602, a €1,292 spread on the same certified stone. Brilliant Earth lists it at €1,602. 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 angle36.4°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG689562075
Dimensions6.87 × 5.33 × 3.55 mm
L/W Ratio1.29
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
6.87 mm5.33 mm1.00 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG689562075
Side View
Table 59.0%Crown 36.4°Girdle: MED-THKPavilion 35.6°Culet: NoneDepth 66.6%

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: €1,602 EUR|Low: €307 EUR|High: €1,602 EUR|Avg: €797 EUR|+1.7%
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
Retailer 16
October 31, 2026
Retailer 9€311 EUR
Retailer 3€345 EUR
Retailer 14€524 EUR
Retailer 15€528 EUR
Retailer 16€558 EUR
Retailer 5€560 EUR
Retailer 13€592 EUR
Retailer 10€613 EUR
Retailer 2€635 EUR
Retailer 12€870 EUR
Retailer 4€891 EUR
Retailer 7€1,149 EUR
Retailer 8€1,270 EUR
Retailer 6€1,383 EUR
Retailer 11€1,388 EUR
Brilliant Earth€1,602 EUR

40 data points across 16 retailers

16 retailers€311 EUR to €1,602 EUR

A
Cheapest Retailer
-
€311 EUR
$347 USD
Final sale: no returns
A
Retailer 2
-
€345 EUR
$385 USD
View
A
Retailer 3
-
€524 EUR
$585 USD
View
A
Retailer 4
-
€528 EUR
$590 USD
View
A
Retailer 5
-
€558 EUR
$623 USD
View
A
Retailer 6
-
€560 EUR
$626 USD
View
A
Retailer 7
-
€592 EUR
ZAR 10,680 ZAR
View
A
Retailer 8
-
€613 EUR
£539 GBP
View
A
Retailer 9
-
€635 EUR
View
B+
Retailer 10
-
€870 EUR
A$1,496 AUD
View
B+
Retailer 11
-
€891 EUR
$995 USD
View
B
Retailer 12
-
€1,149 EUR
$1,283 USD
View
B
Retailer 13
-
€1,296 EUR
$1,448 USD
View
B
Retailer 14
-
€1,383 EUR
$1,546 USD
View
B
Retailer 15
-
€1,388 EUR
£1,221 GBP
View
Most Expensive
B
Brilliant Earth
15714260A · Oct 31
€1,602 EUR
$1,790 USD
View
15 more retailers have this diamond
Prices start from €311 EURSave up to €1,292 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
€311 EUR