She has sense enough to see and sense enough to hear.

Let her see and hear!" He opened the jewel-case, and took from it a magnificent pearl necklace in an antique setting.
"Grace," he said, with his highest distinction of manner, "my mother sends you her love and her congratulations on our approaching marriage.
She begs you to accept, as part of your bridal dress, these pearls.

She was married in them herself.

They have been in our family for centuries.
As one of the family, honored and beloved, my mother offers them to my wife." He lifted the necklace to clasp it round Mercy's neck.
Julian watched her in breathless suspense.

Would she sustain the ordeal through which Horace had innocently condemned her to pass?
Yes! In the insolent presence of Grace Roseberry, what was there now that she could _not_ sustain?
Her pride was in arms.