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Cushion|Lab Grown|IGI

1.50ct D IF Cushion Lab Grown Diamond

ID • D/IF • IGI LG825633292

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

Certificate IGI LG825633292

Diamond specifications and retailer prices

From €590 EUR
As of November 4, 2026
Save €3,288 EUR (85%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €3,879 EUR at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.5ct lab-grown cushion diamond

This 1.5ct lab-grown cushion sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG825633292 or 825633292. Listed at 16 retailers as of November 4, 2026, with prices from €590 to €3,879, a €3,288 spread on the same certified stone. Brilliant Earth lists it at €3,879. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.50
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825633292
Dimensions6.67 × 6.56 × 4.20 mm
L/W Ratio1.02
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
6.67 mm6.56 mm1.50 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825633292
Side View
Table 67.0%Crown 33.4°Girdle: MED-THKPavilion 38.6°Culet: NoneDepth 64.0%

Caratlytics Score

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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: Nov 4
Current: €3,879 EUR|Low: €590 EUR|High: €3,879 EUR|Avg: €1,675 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
Retailer 15
Retailer 16
November 4, 2026
Retailer 16€590 EUR
Retailer 2€690 EUR
Retailer 13€768 EUR
Retailer 5€877 EUR
Retailer 6€907 EUR
Retailer 7€975 EUR
Retailer 9€1,012 EUR
Retailer 12€1,092 EUR
Retailer 10€1,124 EUR
Retailer 14€1,523 EUR
Retailer 15€2,087 EUR
Retailer 8€2,115 EUR
Retailer 3€2,175 EUR
Retailer 4€2,365 EUR
Retailer 11€2,837 EUR
Brilliant Earth€3,879 EUR

41 data points across 16 retailers

16 retailers€590 EUR to €3,879 EUR

A
Cheapest Retailer
-
€590 EUR
Final sale: no returns
A
Retailer 2
-
€690 EUR
View
A
Retailer 3
-
€768 EUR
View
A
Retailer 4
-
€877 EUR
View
A
Retailer 5
-
€907 EUR
View
A
Retailer 6
-
€975 EUR
View
A
Retailer 7
-
€1,012 EUR
View
A
Retailer 8
-
€1,092 EUR
View
A
Retailer 9
-
€1,124 EUR
View
B+
Retailer 10
-
€1,523 EUR
View
B+
Retailer 11
-
€2,087 EUR
View
B+
Retailer 12
-
€2,115 EUR
View
B
Retailer 13
-
€2,175 EUR
View
Retailer 14
-
€2,365 EUR
View
Price last confirmed 17 days ago
B+
Retailer 15
-
€2,837 EUR
View
Most Expensive
B
Brilliant Earth
21322873A · Nov 4
€3,879 EUR
$4,370 USD
View
15 more retailers have this diamond
Prices start from €590 EURSave up to €3,288 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
1.50ct Cushion
€590 EUR