Prized possession (3)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">prized possession</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for gem that I've seen before include "Setter might bed this" , "Treasured person" , "Emerald or sapphire, say" , "Diamond, ruby, or emerald" , "Kindness; comfort (German)" .)
(Another definition for pride and joy that I've seen is " Something with which one is extremely pleased".)