Read the extract below and answer the question:
A : Let all the rest give place
(Exeunt Curio and attendants),
Once more, Cesario,
Get thee to yond same sovereign cruelty;
Tell her, my love, more noble than the world,
Prizes, not quantity of dirty land,
The parts that forune hath bestowed upon her,
Tell her, I hold as giddily as fortune,
But 'tis that miracles and queen of gems
that nature pranks her in, attracts my soul.
(Act ll Scene IV)
Speaker A's object of love is