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Cushion|Lab Grown|IGI

1.05ct E IF Cushion Lab Grown Diamond

ID • E/IF • IGI LG831696629

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG831696629

Diamond specifications and retailer prices

From €438 EUR
$488 USD
As of October 28, 2026
Save €1,035 EUR (70%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €1,473 EUR at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.05ct lab-grown cushion diamond

This 1.05ct 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 LG831696629 or 831696629. Listed at 14 retailers as of October 28, 2026, with prices from €438 to €1,473, a €1,035 spread on the same certified stone. Brilliant Earth lists it at €1,473. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831696629
Dimensions7.37 × 5.07 × 3.37 mm
L/W Ratio1.45
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
7.37 mm5.07 mm1.05 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831696629
Side View
Table 62.0%Crown 34°Girdle: MED-THKPavilion 35.6°Culet: NoneDepth 66.5%

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 28
Current: €1,473 EUR|Low: €275 EUR|High: €1,473 EUR|Avg: €780 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
Retailer 14
October 30, 2026
Retailer 13€275 EUR
Retailer 4€438 EUR
Retailer 9€445 EUR
Retailer 3€469 EUR
Retailer 2€489 EUR
Retailer 7€504 EUR
Retailer 12€549 EUR
Retailer 10€632 EUR
Retailer 6€818 EUR
Retailer 14€880 EUR
Retailer 8€1,044 EUR
Retailer 11€1,181 EUR
Retailer 5€1,455 EUR
Brilliant Earth€1,473 EUR

18 data points across 14 retailers

14 retailers€438 EUR to €1,473 EUR

Retailer 1
-
€275 EUR
£241 GBP
Price last confirmed 13 days ago
A
Retailer 2
-
€438 EUR
$488 USD
View
A
Retailer 3
-
€445 EUR
ZAR 8,002 ZAR
View
A
Retailer 4
-
€469 EUR
$522 USD
View
A
Retailer 5
-
€489 EUR
£428 GBP
View
A
Retailer 6
-
€504 EUR
View
A
Retailer 7
-
€549 EUR
$611 USD
View
A
Retailer 8
-
€632 EUR
A$1,082 AUD
View
B+
Retailer 9
-
€818 EUR
SGD 1,231 SGD
View
B+
Retailer 10
-
€880 EUR
$979 USD
View
B+
Retailer 11
-
€1,044 EUR
£915 GBP
View
Retailer 12
-
€1,181 EUR
$1,315 USD
View
Price last confirmed 11 days ago
B
Retailer 13
-
€1,455 EUR
$1,619 USD
View
Most Expensive
B
Brilliant Earth
21813562A · Oct 28
€1,473 EUR
$1,640 USD
View
13 more retailers have this diamond
Prices start from €438 EURSave up to €1,035 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
1.05ct Cushion
€438 EUR