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Cushion|Lab Grown|IGI

1.50ct F SI1 Cushion Lab Grown Diamond

ID • F/SI1 • IGI LG657466746

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG657466746

Diamond specifications and retailer prices

From €182 EUR
As of November 6, 2026
Save €834 EUR (82%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €1,016 EUR at Reve Diamonds · As of November 6, 2026
View at Reve Diamonds

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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG657466746 or 657466746. Listed at 15 retailers as of November 6, 2026, with prices from €182 to €1,016, a €834 spread on the same certified stone. Reve Diamonds lists it at €1,016. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.50
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle36.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG657466746
Dimensions8.08 × 5.85 × 3.90 mm
L/W Ratio1.38
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.08 mm5.85 mm1.50 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG657466746
Side View
Table 65.0%Crown 35.5°Girdle: MED-VTKPavilion 36.4°Culet: NoneDepth 66.7%

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 6
Current: €331 EUR|Low: €182 EUR|High: €1,016 EUR|Avg: €545 EUR|+2.2%
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
Reve Diamonds
November 6, 2026
Retailer 2€182 EUR
Retailer 7€229 EUR
Retailer 13€259 EUR
Retailer 3€279 EUR
Retailer 1€331 EUR
Retailer 8€358 EUR
Retailer 15€412 EUR
Retailer 5€414 EUR
Retailer 11€494 EUR
Retailer 6€661 EUR
Retailer 10€681 EUR
Retailer 4€695 EUR
Retailer 12€815 EUR
Retailer 14€832 EUR
Retailer 9€938 EUR
Reve Diamonds€1,016 EUR

30 data points across 16 retailers

15 retailers€182 EUR to €1,016 EUR

A
Cheapest Retailer
-
€182 EUR
Final sale: no returns
A
Retailer 2
-
€229 EUR
View
B+
Retailer 3
-
€279 EUR
View
A
Retailer 4
-
€331 EUR
View
A
Retailer 5
-
€358 EUR
View
A
Retailer 6
-
€412 EUR
View
A
Retailer 7
-
€414 EUR
View
B+
Retailer 8
-
€494 EUR
View
B+
Retailer 9
-
€661 EUR
View
B+
Retailer 10
-
€681 EUR
View
B+
Retailer 11
-
€695 EUR
View
B+
Retailer 12
-
€815 EUR
View
B
Retailer 13
-
€832 EUR
View
B
Retailer 14
-
€938 EUR
View
Most Expensive
B
Reve Diamonds
36585FD7B · Nov 6
€1,016 EUR
$1,134 USD
View
14 more retailers have this diamond
Prices start from €182 EURSave up to €834 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
€182 EUR