Of course. 

She's tempted to say 'there has to be some devil that will accept that the price of bargaining with me includes this; get me that one'. But there doesn't have to be any such devil. To be a devil is to be perfected, at least along that angle, and apparently perfected in Lawful Evil you don't have any interest in that. Like how Contessa Lrilatha hates Keltham's good faith clause.

But she wasn't refused outright, despite offering something objectively worth much less than a normal contract. 

"Then," she says, "speaking informally to establish the terms for a contract not yet written, for three Wishes, and a hundred pounds of spellsilver, and permanent Arcane Sight and permanent Tongues, I offer my soul, subject to the option for a mortal to claim it which was previously discussed."

Of course. 

She's tempted to say 'there has to be some devil that will accept that the price of bargaining with me includes this; get me that one'. But there doesn't have to be any such devil. To be a devil is to be perfected, at least along that angle, and apparently perfected in Lawful Evil you don't have any interest in that. Like how Contessa Lrilatha hates Keltham's good faith clause.

But she wasn't refused outright, despite offering something objectively worth much less than a normal contract. 

"Then," she says, "speaking informally to establish the terms for a contract not yet written, for three Wishes, and ten pounds of spellsilver, and permanent Arcane Sight and permanent Tongues, I offer my soul, subject to the option for a mortal to claim it which was previously discussed."