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Cushion|Lab Grown|IGI

1.55ct E FL Cushion Lab Grown Diamond

ID • E/FL • IGI LG825659979

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG825659979

Diamond specifications and retailer prices

From €658 EUR
$735 USD
As of October 31, 2026
Save €2,251 EUR (77%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €2,909 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 FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG825659979 or 825659979. Listed at 15 retailers as of October 31, 2026, with prices from €658 to €2,909, a €2,251 spread on the same certified stone. Brilliant Earth lists it at €2,909. 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
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle30.8°
Pavilion angle36°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825659979
Dimensions8.34 × 5.97 × 4.04 mm
L/W Ratio1.40
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
8.34 mm5.97 mm1.55 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825659979
Side View
Table 60.0%Crown 30.8°Girdle: MED-THKPavilion 36°Culet: NoneDepth 67.7%

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 31
Current: €2,909 EUR|Low: €569 EUR|High: €3,634 EUR|Avg: €1,607 EUR|-20.0%
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
November 1, 2026
Retailer 6€569 EUR
Retailer 15€658 EUR
Retailer 9€850 EUR
Retailer 2€874 EUR
Retailer 5€883 EUR
Retailer 11€978 EUR
Retailer 3€1,018 EUR
Retailer 14€1,327 EUR
Retailer 4€1,664 EUR
Retailer 12€1,848 EUR
Retailer 7€1,852 EUR
Retailer 8€1,997 EUR
Retailer 10€2,389 EUR
Retailer 13€2,394 EUR
Brilliant Earth€2,909 EUR

34 data points across 15 retailers

15 retailers€658 EUR to €2,909 EUR

Retailer 1
-
€569 EUR
$636 USD
Price last confirmed 15 days ago
A
Retailer 2
-
€658 EUR
$735 USD
View
A
Retailer 3
-
€850 EUR
View
A
Retailer 4
-
€874 EUR
£769 GBP
View
A
Retailer 5
-
€883 EUR
$986 USD
View
A
Retailer 6
-
€978 EUR
ZAR 17,657 ZAR
View
A
Retailer 7
-
€1,018 EUR
$1,137 USD
View
A
Retailer 8
-
€1,327 EUR
$1,483 USD
View
B+
Retailer 9
-
€1,664 EUR
£1,464 GBP
View
B+
Retailer 10
-
€1,848 EUR
SGD 2,790 SGD
View
B+
Retailer 11
-
€1,852 EUR
$2,069 USD
View
B+
Retailer 12
-
€1,997 EUR
$2,231 USD
View
B+
Retailer 13
-
€2,389 EUR
£2,102 GBP
View
Retailer 14
-
€2,394 EUR
$2,675 USD
View
Price last confirmed 10 days ago
Most Expensive
B
Brilliant Earth
21418429A · Oct 31
€2,909 EUR
$3,250 USD
View
14 more retailers have this diamond
Prices start from €658 EURSave up to €2,251 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
€658 EUR