It's hard to overstate how unbelievably rare these pearls are -- unassuming and small at 6.5-7mm, but these are keshi pearls -- "accident" pearls as a byproduct of the culturing process, thus they are closer to natural pearls in a pure nacre structure (no culture bead).
 
Usually, keshi pearls have a "cornflake" appearance, but these are in fact round, not to mention a wonderful quality!
 
These pearls are, in many respects, not replaceable. Price includes setting as studs or available as loose.