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Cushion|Lab Grown|IGI

1.50ct D IF Cushion Lab Grown Diamond

ID • D/IF • IGI LG794626393

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

Certificate IGI LG794626393

Diamond specifications and retailer prices

From €737 EUR
As of November 4, 2026
Save €3,142 EUR (81%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: €3,879 EUR at Brilliant Earth · As of November 2, 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 LG794626393 or 794626393. Listed at 20 retailers as of November 2, 2026, with prices from €737 to €3,879, a €3,142 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
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle34.4°
Pavilion angle38.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG794626393
Dimensions6.55 × 6.53 × 4.37 mm
L/W Ratio1.00
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
6.55 mm6.53 mm1.50 ctD / IF
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG794626393
Side View
Table 63.0%Crown 34.4°Girdle: MED-THKPavilion 38.8°Culet: NoneDepth 66.9%

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: €737 EUR|High: €8,488 EUR|Avg: €4,333 EUR|-10.6%
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
Retailer 18
November 5, 2026
Retailer 11€737 EUR
Retailer 3€761 EUR
Retailer 8€870 EUR
Retailer 5€936 EUR
Retailer 18€987 EUR
Retailer 2€1,032 EUR
Retailer 14€1,044 EUR
Retailer 13€1,109 EUR
Retailer 17€1,200 EUR
Retailer 16€1,426 EUR
Retailer 9€2,029 EUR
Retailer 12€2,107 EUR
Retailer 7€2,204 EUR
Retailer 10€2,254 EUR
Retailer 6€2,290 EUR
Retailer 4€2,405 EUR
Retailer 15€2,752 EUR
Brilliant Earth€3,879 EUR

29 data points across 18 retailers

20 retailers€737 EUR to €3,879 EUR

A
Cheapest Retailer
-
€737 EUR
A
Retailer 2
-
€761 EUR
View
A
Retailer 3
-
€870 EUR
View
A
Retailer 4
-
€936 EUR
View
A
Retailer 5
-
€987 EUR
View
A
Retailer 6
-
€1,032 EUR
View
A
Retailer 7
-
€1,044 EUR
View
A
Retailer 8
-
€1,109 EUR
View
A
Retailer 9
-
€1,200 EUR
View
B+
Retailer 10
-
€1,426 EUR
View
B
Retailer 11
-
€2,029 EUR
View
B
Retailer 12
-
€2,107 EUR
View
B
Retailer 13
-
€2,204 EUR
View
B
Retailer 14
-
€2,254 EUR
View
B
Retailer 15
-
€2,290 EUR
View
B
Retailer 16
-
€2,405 EUR
View
B
Retailer 17
-
€2,752 EUR
View
Retailer 18
-
€3,190 EUR
View
Price last confirmed 17 days ago
Final sale: no returns
Retailer 19
-
€3,304 EUR
View
Price last confirmed 24 days ago
Most Expensive
B
Brilliant Earth
21587246A · Nov 2
€3,879 EUR
$4,370 USD
View
19 more retailers have this diamond
Prices start from €737 EURSave up to €3,142 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
€737 EUR