CaratHunter
Plans
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 €437 EUR
$488 USD
As of October 30, 2026
Save €1,031 EUR (70%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €1,468 EUR at Brilliant Earth · As of October 30, 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 30, 2026, with prices from €437 to €1,468, a €1,031 spread on the same certified stone. Brilliant Earth lists it at €1,468. 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
Color
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: €1,468 EUR|Low: €274 EUR|High: €1,468 EUR|Avg: €775 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
November 1, 2026
Retailer 13€274 EUR
Retailer 4€437 EUR
Retailer 9€443 EUR
Retailer 3€467 EUR
Retailer 2€483 EUR
Retailer 7€499 EUR
Retailer 12€547 EUR
Retailer 10€630 EUR
Retailer 6€815 EUR
Retailer 14€876 EUR
Retailer 8€1,040 EUR
Retailer 11€1,177 EUR
Retailer 5€1,449 EUR
Brilliant Earth€1,468 EUR

20 data points across 14 retailers

14 retailers€437 EUR to €1,468 EUR

Retailer 1
-
€274 EUR
£241 GBP
Price last confirmed 15 days ago
A
Retailer 2
-
€437 EUR
$488 USD
View
A
Retailer 3
-
€443 EUR
ZAR 8,002 ZAR
View
A
Retailer 4
-
€467 EUR
$522 USD
View
A
Retailer 5
-
€483 EUR
£425 GBP
View
A
Retailer 6
-
€499 EUR
View
A
Retailer 7
-
€547 EUR
$611 USD
View
A
Retailer 8
-
€630 EUR
A$1,082 AUD
View
B+
Retailer 9
-
€815 EUR
SGD 1,231 SGD
View
B+
Retailer 10
-
€876 EUR
$979 USD
View
B+
Retailer 11
-
€1,040 EUR
£915 GBP
View
Retailer 12
-
€1,177 EUR
$1,315 USD
View
Price last confirmed 13 days ago
B
Retailer 13
-
€1,449 EUR
$1,619 USD
View
Most Expensive
B
Brilliant Earth
21813562A · Oct 30
€1,468 EUR
$1,640 USD
View
13 more retailers have this diamond
Prices start from €437 EURSave up to €1,031 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
€437 EUR