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Cushion|Lab Grown|IGI

1.50ct D IF Cushion Lab Grown Diamond

EX • D/IF • IGI LG756588182

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

Certificate IGI LG756588182

Diamond specifications and retailer prices

From €314 EUR
As of November 4, 2026
Save €2,180 EUR (87%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €2,494 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 LG756588182 or 756588182. Listed at 15 retailers as of November 4, 2026, with prices from €314 to €2,494, a €2,180 spread on the same certified stone. Brilliant Earth lists it at €2,494. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle38.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG756588182
Dimensions6.57 × 6.39 × 4.22 mm
L/W Ratio1.03
Girdle conditionFaceted
Culet sizePointed
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
6.57 mm6.39 mm1.50 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG756588182
Side View
Table 64.0%Crown 34.4°Girdle: STK-THKPavilion 38.2°Culet: NoneDepth 66.0%

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: €2,494 EUR|Low: €254 EUR|High: €3,044 EUR|Avg: €1,155 EUR|-18.1%
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 5, 2026
Retailer 15€314 EUR
Retailer 8€398 EUR
Retailer 3€439 EUR
Retailer 6€477 EUR
Retailer 5€502 EUR
Retailer 12€571 EUR
Retailer 11€641 EUR
Retailer 9€886 EUR
Retailer 10€944 EUR
Retailer 7€1,146 EUR
Retailer 14€1,321 EUR
Retailer 2€1,506 EUR
Retailer 4€2,206 EUR
Retailer 13€2,450 EUR
Brilliant Earth€2,494 EUR

43 data points across 15 retailers

15 retailers€314 EUR to €2,494 EUR

A
Cheapest Retailer
-
€314 EUR
Final sale: no returns
A
Retailer 2
-
€398 EUR
View
A
Retailer 3
-
€439 EUR
View
A
Retailer 4
-
€477 EUR
View
A
Retailer 5
-
€502 EUR
View
A
Retailer 6
-
€571 EUR
View
A
Retailer 7
-
€641 EUR
View
A
Retailer 8
-
€886 EUR
View
A
Retailer 9
-
€944 EUR
View
A
Retailer 10
-
€1,146 EUR
View
B+
Retailer 11
-
€1,321 EUR
View
B+
Retailer 12
-
€1,506 EUR
View
B
Retailer 13
-
€2,206 EUR
View
B
Retailer 14
-
€2,450 EUR
View
Most Expensive
B
Brilliant Earth
21411913Y · Nov 4
€2,494 EUR
$2,810 USD
View
14 more retailers have this diamond
Prices start from €314 EURSave up to €2,180 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
€314 EUR