Average bead size is 7mm wide. the thickness varies from 3mm to 6mm.
A half strand averages 4-1/4" long.
These are A- to B+ grade, that means that they have good rutilation (tourmaline inclusions)as well as fair clarity. There will be areas that are very clear and areas that are somewhat cloudy. Occasionally there may be minor beige or green inclusions, but not significant. They are hand faceted and it is very high quality workmanship.
Zoom in on the photos so that you know what you are ordering please.
If you insist on absolutely perfect falwless stones, you will not find them in this size for this price.