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Cushion|Lab Grown|IGI

1.55ct E IF Cushion Lab Grown Diamond

ID • E/IF • IGI LG825633211

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

Certificate IGI LG825633211

Diamond specifications and retailer prices

From €405 EUR
$452 USD
As of October 30, 2026
Save €2,111 EUR (84%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €2,515 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.55ct lab-grown cushion diamond

This 1.55ct lab-grown cushion sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG825633211 or 825633211. Listed at 13 retailers as of October 30, 2026, with prices from €405 to €2,515, a €2,111 spread on the same certified stone. Brilliant Earth lists it at €2,515. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle34°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825633211
Dimensions6.73 × 6.55 × 4.17 mm
L/W Ratio1.03
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
6.73 mm6.55 mm1.55 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825633211
Side View
Table 60.0%Crown 34.8°Girdle: STK-THKPavilion 34°Culet: NoneDepth 63.7%

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: €2,515 EUR|Low: €405 EUR|High: €2,820 EUR|Avg: €1,322 EUR|-9.9%
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 10€405 EUR
Retailer 12€464 EUR
Retailer 7€582 EUR
Retailer 9€712 EUR
Retailer 6€738 EUR
Retailer 2€784 EUR
Retailer 4€985 EUR
Retailer 5€1,476 EUR
Retailer 11€1,653 EUR
Retailer 8€1,682 EUR
Retailer 13€1,765 EUR
Retailer 3€2,108 EUR
Brilliant Earth€2,515 EUR

40 data points across 13 retailers

13 retailers€405 EUR to €2,515 EUR

A
Cheapest Retailer
-
€405 EUR
$452 USD
Final sale: no returns
A
Retailer 2
-
€464 EUR
£408 GBP
View
A
Retailer 3
-
€582 EUR
$650 USD
View
A
Retailer 4
-
€712 EUR
$795 USD
View
A
Retailer 5
-
€738 EUR
£650 GBP
View
A
Retailer 6
-
€784 EUR
View
A
Retailer 7
-
€985 EUR
$1,101 USD
View
B+
Retailer 8
-
€1,476 EUR
$1,649 USD
View
B+
Retailer 9
-
€1,653 EUR
$1,847 USD
View
B+
Retailer 10
-
€1,682 EUR
$1,879 USD
View
B+
Retailer 11
-
€1,765 EUR
£1,553 GBP
View
Retailer 12
-
€2,108 EUR
$2,355 USD
View
Price last confirmed 10 days ago
Most Expensive
B
Brilliant Earth
21322734A · Oct 31
€2,515 EUR
$2,810 USD
View
12 more retailers have this diamond
Prices start from €405 EURSave up to €2,111 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
1.55ct Cushion
€405 EUR