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Cushion|Lab Grown|IGI

1.50ct D IF Cushion Lab Grown Diamond

EX • D/IF • IGI LG786625437

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

Certificate IGI LG786625437

Diamond specifications and retailer prices

From €407 EUR
As of November 4, 2026
Save €1,355 EUR (77%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €3,674 EUR at Brilliant Earth · As of October 26, 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 LG786625437 or 786625437. Listed at 19 retailers as of November 4, 2026, with a 333% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle36.2°
Pavilion angle29.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG786625437
Dimensions6.68 × 6.31 × 3.89 mm
L/W Ratio1.06
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.68 mm6.31 mm1.50 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG786625437
Side View
Table 62.0%Crown 36.2°Girdle: STK-THKPavilion 29.9°Culet: NoneDepth 61.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: €3,674 EUR|Low: €407 EUR|High: €3,994 EUR|Avg: €1,254 EUR|+20.3%
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
Retailer 17
November 5, 2026
Retailer 6€407 EUR
Retailer 8€452 EUR
Retailer 12€581 EUR
Retailer 7€715 EUR
Retailer 4€732 EUR
Retailer 10€732 EUR
Retailer 16€757 EUR
Retailer 3€770 EUR
Retailer 5€920 EUR
Retailer 11€1,054 EUR
Retailer 9€1,312 EUR
Retailer 15€1,485 EUR
Retailer 14€1,657 EUR
Retailer 13€1,693 EUR
Retailer 2€1,763 EUR
Retailer 17€2,303 EUR
Brilliant Earth€3,674 EUR

44 data points across 17 retailers

19 retailers€407 EUR to €1,763 EUR

A
Cheapest Retailer
-
€407 EUR
Final sale: no returns
Retailer 2
-
€452 EUR
View
Price last confirmed 20 days ago
A
Retailer 3
-
€581 EUR
View
A
Retailer 4
-
€715 EUR
View
Retailer 5
-
€732 EUR
View
Price last confirmed 13 days ago
A
Retailer 6
-
€732 EUR
View
Retailer 7
-
€757 EUR
View
Price last confirmed 9 days ago
Retailer 8
-
€770 EUR
View
Price last confirmed 18 days ago
A
Retailer 9
-
€916 EUR
View
A
Retailer 10
-
€920 EUR
View
A
Retailer 11
-
€1,054 EUR
View
Retailer 12
-
€1,312 EUR
View
Price last confirmed 15 days ago
B+
Retailer 13
-
€1,485 EUR
View
Retailer 14
-
€1,575 EUR
View
Price last confirmed 12 days ago
B+
Retailer 15
-
€1,657 EUR
View
B+
Retailer 16
-
€1,693 EUR
View
B+
Retailer 17
-
€1,763 EUR
View
Retailer 18
-
€2,303 EUR
View
Price last confirmed 17 days ago
Most Expensive
Brilliant Earth
20914900A · Oct 26
€3,674 EUR
$4,140 USD
View
Price last confirmed 9 days ago
18 more retailers have this diamond
Prices start from €407 EURSave up to €1,355 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
€407 EUR