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Cushion|Lab Grown|IGI

1.50ct F SI2 Cushion Lab Grown Diamond

ID • F/SI2 • IGI LG555274832

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG555274832

Diamond specifications and retailer prices

From €722 EUR
$806 USD
As of October 27, 2026
Save €48 EUR (6%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: €1,063 EUR at MOH London · As of October 25, 2026
View at MOH London

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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG555274832 or 555274832. Listed at 4 retailers as of October 26, 2026, with a relatively tight 7% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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
Color
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.1°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG555274832
Dimensions7.62 × 6.15 × 4.20 mm
L/W Ratio1.24
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.62 mm6.15 mm1.50 ctF / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG555274832
Side View
Table 62.0%Crown 31.1°Girdle: STK-THKPavilion 40.7°Culet: NoneDepth 68.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: €1,063 EUR|Low: €353 EUR|High: €1,067 EUR|Avg: €655 EUR|+10.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 25, 2026
Retailer 2€362 EUR
Retailer 5€403 EUR
Retailer 6€693 EUR
Retailer 3€722 EUR
Retailer 4€770 EUR
MOH London€1,063 EUR

11 data points across 6 retailers

4 retailers€722 EUR to €770 EUR

Retailer 1
-
€362 EUR
$404 USD
Price last confirmed 7 days ago
B+
Retailer 2
-
€722 EUR
$806 USD
View
B
Retailer 3
-
€770 EUR
$860 USD
View
Most Expensive
MOH London
LG555274832 · Oct 25
€1,063 EUR
£935 GBP
View
Price last confirmed 8 days ago
3 more retailers have this diamond
Prices start from €722 EURSave up to €48 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.

B+
1.50ct Cushion
€722 EUR