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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 €550 EUR
$615 USD
As of November 1, 2026
Save €2,125 EUR (79%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €2,675 EUR at With Clarity · As of November 2, 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 17 retailers as of November 1, 2026, with prices from €550 to €2,675, a €2,125 spread on the same certified stone. With Clarity lists it at €2,675. 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 angle33.8°
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

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: €2,368 EUR|Low: €550 EUR|High: €2,675 EUR|Avg: €1,375 EUR
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
With Clarity
November 1, 2026
Retailer 8€550 EUR
Retailer 10€644 EUR
Retailer 2€665 EUR
Retailer 15€729 EUR
Retailer 16€802 EUR
Retailer 7€816 EUR
Retailer 11€912 EUR
Retailer 14€969 EUR
Retailer 4€1,047 EUR
Retailer 12€1,419 EUR
Retailer 3€1,961 EUR
Retailer 6€1,976 EUR
Retailer 13€2,065 EUR
Retailer 1€2,368 EUR
Retailer 9€2,543 EUR
Retailer 5€2,546 EUR
With Clarity€2,675 EUR

5 data points across 17 retailers

17 retailers€550 EUR to €2,675 EUR

A
Cheapest Retailer
-
€550 EUR
$615 USD
Final sale: no returns
A
Retailer 2
-
€644 EUR
£567 GBP
View
A
Retailer 3
-
€665 EUR
HK$5,800 HKD
View
A
Retailer 4
-
€729 EUR
$815 USD
View
A
Retailer 5
-
€802 EUR
$896 USD
View
A
Retailer 6
-
€816 EUR
$912 USD
View
A
Retailer 7
-
€912 EUR
View
A
Retailer 8
-
€969 EUR
$1,083 USD
View
A
Retailer 9
-
€1,047 EUR
ZAR 18,893 ZAR
View
B+
Retailer 10
-
€1,419 EUR
A$2,439 AUD
View
B+
Retailer 11
-
€1,961 EUR
$2,191 USD
View
B+
Retailer 12
-
€1,976 EUR
$2,208 USD
View
B
Retailer 13
-
€2,065 EUR
$2,307 USD
View
B
Retailer 14
-
€2,368 EUR
$2,645 USD
View
B
Retailer 15
-
€2,543 EUR
£2,237 GBP
View
B
Retailer 16
-
€2,546 EUR
£2,240 GBP
View
Most Expensive
B
With Clarity
818678241 · Nov 2
€2,675 EUR
$2,989 USD
View
16 more retailers have this diamond
Prices start from €550 EURSave up to €2,125 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
€550 EUR