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Cushion|Lab Grown|IGI

1.50ct D IF Cushion Lab Grown Diamond

ID • D/IF • IGI LG825633292

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

Certificate IGI LG825633292

Diamond specifications and retailer prices

From €595 EUR
$665 USD
As of November 1, 2026
Save €3,316 EUR (85%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €3,912 EUR at Brilliant Earth · As of October 31, 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 LG825633292 or 825633292. Listed at 15 retailers as of October 31, 2026, with prices from €595 to €3,912, a €3,316 spread on the same certified stone. Brilliant Earth lists it at €3,912. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825633292
Dimensions6.67 × 6.56 × 4.20 mm
L/W Ratio1.02
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
6.67 mm6.56 mm1.50 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825633292
Side View
Table 67.0%Crown 33.4°Girdle: MED-THKPavilion 38.6°Culet: NoneDepth 64.0%

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 1
Current: €3,912 EUR|Low: €595 EUR|High: €3,912 EUR|Avg: €1,695 EUR
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 1, 2026
Retailer 14€595 EUR
Retailer 8€697 EUR
Retailer 11€774 EUR
Retailer 4€884 EUR
Retailer 5€915 EUR
Retailer 6€984 EUR
Retailer 9€1,023 EUR
Retailer 10€1,101 EUR
Retailer 12€1,536 EUR
Retailer 13€2,104 EUR
Retailer 7€2,133 EUR
Retailer 15€2,194 EUR
Retailer 3€2,385 EUR
Retailer 2€2,862 EUR
Brilliant Earth€3,912 EUR

40 data points across 15 retailers

15 retailers€595 EUR to €3,912 EUR

A
Cheapest Retailer
-
€595 EUR
$665 USD
Final sale: no returns
A
Retailer 2
-
€697 EUR
£613 GBP
View
A
Retailer 3
-
€774 EUR
$865 USD
View
A
Retailer 4
-
€884 EUR
$988 USD
View
A
Retailer 5
-
€915 EUR
$1,022 USD
View
A
Retailer 6
-
€984 EUR
$1,099 USD
View
A
Retailer 7
-
€1,023 EUR
£900 GBP
View
A
Retailer 8
-
€1,101 EUR
View
B+
Retailer 9
-
€1,536 EUR
A$2,640 AUD
View
B+
Retailer 10
-
€2,104 EUR
$2,351 USD
View
B+
Retailer 11
-
€2,133 EUR
$2,383 USD
View
B
Retailer 12
-
€2,194 EUR
$2,451 USD
View
Retailer 13
-
€2,385 EUR
$2,665 USD
View
Price last confirmed 14 days ago
B+
Retailer 14
-
€2,862 EUR
£2,518 GBP
View
Most Expensive
B
Brilliant Earth
21322873A · Oct 31
€3,912 EUR
$4,370 USD
View
14 more retailers have this diamond
Prices start from €595 EURSave up to €3,316 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
€595 EUR