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Cushion|Lab Grown|IGI

1.50ct D IF Cushion Lab Grown Diamond

ID • D/IF • IGI LG818678241

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG818678241

Diamond specifications and retailer prices

From €546 EUR
As of November 4, 2026
Save €2,107 EUR (79%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €2,653 EUR at With Clarity · As of November 5, 2026
View at With Clarity

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 LG818678241 or 818678241. Listed at 18 retailers as of November 4, 2026, with prices from €546 to €2,653, a €2,107 spread on the same certified stone. With Clarity lists it at €2,653. 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 angle33.8°
Pavilion angle35°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818678241
Dimensions8.26 × 5.85 × 3.84 mm
L/W Ratio1.41
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
8.26 mm5.85 mm1.50 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818678241
Side View
Table 56.0%Crown 33.8°Girdle: MED-STKPavilion 35°Culet: NoneDepth 65.6%

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 4
Current: €2,514 EUR|Low: €546 EUR|High: €2,653 EUR|Avg: €1,401 EUR|-0.2%
Retailer 1
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
With Clarity
November 5, 2026
Retailer 9€546 EUR
Retailer 10€637 EUR
Retailer 4€659 EUR
Retailer 2€723 EUR
Retailer 3€795 EUR
Retailer 8€809 EUR
Retailer 14€904 EUR
Retailer 17€961 EUR
Retailer 12€1,041 EUR
Retailer 11€1,370 EUR
Retailer 15€1,407 EUR
Retailer 5€1,945 EUR
Retailer 7€1,960 EUR
Retailer 16€2,047 EUR
Retailer 13€2,348 EUR
Retailer 1€2,514 EUR
Retailer 6€2,524 EUR
With Clarity€2,653 EUR

9 data points across 18 retailers

18 retailers€546 EUR to €2,653 EUR

A
Cheapest Retailer
-
€546 EUR
Final sale: no returns
A
Retailer 2
-
€637 EUR
View
A
Retailer 3
-
€659 EUR
View
A
Retailer 4
-
€723 EUR
View
A
Retailer 5
-
€795 EUR
View
A
Retailer 6
-
€809 EUR
View
A
Retailer 7
-
€904 EUR
View
A
Retailer 8
-
€961 EUR
View
A
Retailer 9
-
€1,041 EUR
View
B+
Retailer 10
-
€1,370 EUR
View
B+
Retailer 11
-
€1,407 EUR
View
B+
Retailer 12
-
€1,945 EUR
View
B+
Retailer 13
-
€1,960 EUR
View
B
Retailer 14
-
€2,047 EUR
View
B
Retailer 15
-
€2,348 EUR
View
B
Retailer 16
-
€2,514 EUR
View
Retailer 17
-
€2,524 EUR
View
Price last confirmed 8 days ago
Most Expensive
B
With Clarity
818678241 · Nov 5
€2,653 EUR
$2,989 USD
View
17 more retailers have this diamond
Prices start from €546 EURSave up to €2,107 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
€546 EUR