szoliter

Etymology
From, from. The "single gem" sense is possibly derived via.

Noun

 * 1)  single gem mounted in a piece of jewellery by itself

Adjective

 * 1)   single, alone, separate; not multiple
 * 2)   not associated with others of the same kind
 * 1)   not associated with others of the same kind
 * 1)   not associated with others of the same kind