Viewed under a jeweler's loupe, a real pearl will be smooth all over.
If a slit-lamp is not available, examination is possible using a magnifying loupe and appropriate light source.
This is specially designed for viewing an entire 35mm slide or negative frame, this 8x loupe has a clear base for shadowless illumination.
By simply moving the mouse around the screen the user moves a High Res Loupe displaying the job at 100% .
James Allen: See a real photo and use a virtual loupe to examine the stones before you make your purchase by taking advantage of their unique Diamond Viewer feature.