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Cushion|Lab Grown|IGI

1.50ct F IF Cushion Lab Grown Diamond

ID • F/IF • IGI LG818683709

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG818683709

Diamond specifications and retailer prices

From €430 EUR
As of November 6, 2026
Save €1,415 EUR (77%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €1,845 EUR at Brilliant Earth · As of November 6, 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 F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818683709 or 818683709. Listed at 10 retailers as of November 6, 2026, with prices from €430 to €1,845, a €1,415 spread on the same certified stone. Brilliant Earth lists it at €1,845. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.50
Carat
F
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.1°
Pavilion angle36.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818683709
Dimensions7.26 × 6.19 × 4.07 mm
L/W Ratio1.17
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.26 mm6.19 mm1.50 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818683709
Side View
Table 64.0%Crown 40.1°Girdle: STK-THKPavilion 36.8°Culet: NoneDepth 65.8%

Caratlytics Score

How it works →
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 6
Current: €1,845 EUR|Low: €430 EUR|High: €3,215 EUR|Avg: €1,567 EUR|-42.6%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 7, 2026
Retailer 6€430 EUR
Retailer 3€521 EUR
Retailer 2€562 EUR
Retailer 8€886 EUR
Retailer 9€1,073 EUR
Retailer 4€1,279 EUR
Retailer 7€1,293 EUR
Retailer 10€1,339 EUR
Retailer 5€1,536 EUR
Brilliant Earth€1,845 EUR

46 data points across 10 retailers

10 retailers€430 EUR to €1,845 EUR

A
Cheapest Retailer
-
€430 EUR
A
Retailer 2
-
€521 EUR
View
A
Retailer 3
-
€562 EUR
View
A
Retailer 4
-
€886 EUR
View
A
Retailer 5
-
€1,073 EUR
View
A
Retailer 6
-
€1,279 EUR
View
Retailer 7
-
€1,293 EUR
View
Price last confirmed 8 days ago
B+
Retailer 8
-
€1,339 EUR
View
B+
Retailer 9
-
€1,536 EUR
View
Most Expensive
B+
Brilliant Earth
22200346A · Nov 6
€1,845 EUR
$2,060 USD
View
9 more retailers have this diamond
Prices start from €430 EURSave up to €1,415 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
€430 EUR