Anark Core can create an XML based report from an opened CAD drawing, in this case IGES. However you may have been looking for a way to convert IGES to 3DXML instead.
Convert IGES 3D exchange format to XML document.
We have found one software suitable in our database for this conversion.
Microsoft Windows software - convert igs to xml on Windows
Anark Core is a robust software platform that enables manufacturing companies to quickly, easily, and cost-effectively re-purpose 3D product data for use throughout your enterprise.
Convert from igs file
to xml file
The table with program actions contains information about what each program is capable of doing with their files. This may be a good pointer for further searches for certain file conversions and help you find the converter you are looking for if our search result is insufficient for you. However, it is far from perfect and may sometimes show results which are not really usable because of the nature of the software handles the files. So a conversion that appears as possible, just because of matched actions, may in fact not be possible.