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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 €411 EUR
$459 USD
As of November 1, 2026
Save €3,295 EUR (89%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €3,706 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 October 26, 2026, with prices from €411 to €3,706, a €3,295 spread on the same certified stone. Brilliant Earth lists it at €3,706. 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
Color
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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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: €3,706 EUR|Low: €411 EUR|High: €4,028 EUR|Avg: €1,275 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 1, 2026
Retailer 6€411 EUR
Retailer 8€456 EUR
Retailer 3€689 EUR
Retailer 7€721 EUR
Retailer 4€738 EUR
Retailer 10€751 EUR
Retailer 15€764 EUR
Retailer 17€776 EUR
Retailer 5€927 EUR
Retailer 11€1,063 EUR
Retailer 9€1,323 EUR
Retailer 14€1,498 EUR
Retailer 13€1,671 EUR
Retailer 12€1,708 EUR
Retailer 2€1,782 EUR
Retailer 16€2,323 EUR
Brilliant Earth€3,706 EUR

42 data points across 17 retailers

19 retailers€411 EUR to €3,706 EUR

A
Cheapest Retailer
-
€411 EUR
$459 USD
Final sale: no returns
Retailer 2
-
€456 EUR
$509 USD
View
Price last confirmed 16 days ago
A
Retailer 3
-
€689 EUR
$770 USD
View
A
Retailer 4
-
€721 EUR
$806 USD
View
Retailer 5
-
€738 EUR
$825 USD
View
Price last confirmed 9 days ago
A
Retailer 6
-
€751 EUR
£660 GBP
View
A
Retailer 7
-
€764 EUR
View
Retailer 8
-
€776 EUR
ZAR 14,008 ZAR
View
Price last confirmed 14 days ago
A
Retailer 9
-
€924 EUR
A$1,588 AUD
View
A
Retailer 10
-
€927 EUR
$1,036 USD
View
A
Retailer 11
-
€1,063 EUR
A$1,827 AUD
View
Retailer 12
-
€1,323 EUR
£1,164 GBP
View
Price last confirmed 11 days ago
B+
Retailer 13
-
€1,498 EUR
$1,673 USD
View
Retailer 14
-
€1,588 EUR
$1,774 USD
View
Price last confirmed 8 days ago
B+
Retailer 15
-
€1,671 EUR
$1,867 USD
View
B+
Retailer 16
-
€1,708 EUR
$1,908 USD
View
B+
Retailer 17
-
€1,782 EUR
£1,568 GBP
View
Retailer 18
-
€2,323 EUR
$2,595 USD
View
Price last confirmed 14 days ago
Most Expensive
B
Brilliant Earth
20914900A · Oct 26
€3,706 EUR
$4,140 USD
View
18 more retailers have this diamond
Prices start from €411 EURSave up to €3,295 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
€411 EUR