New, as it came from the designer or store.
Appears to be never worn or used, nor stored improperly.
Top condition with no chipping, fading, missing stones, no yellowing stones, no peeling, no worn prongs or edges. Backs (especially of earrings) may be very slightly worn as long as the front is still in Top Condition.
Well cared for with no missing stones, no dead stones or graying stones, no peeling pearls, enamel may have minor chips, may show slight wear or scratching on prongs, edges. Backs may be very moderately worn.