The lady has taken out the wrong necklace.

Look, Gamaliel, where could your green pigeon's egg have found a place in that thing ?" and he pointed to the gem.
"Nowhere," said the Jew.

"The noble lady..." But Orion roughly bid the witness to be silent, and Nilus, taking up the engraved gem, examined it closely.

Then he--he the grave, just man, on whose support Paula had confidently reckoned--went up to her and with a regretful shrug asked her whether the other necklace with the setting of which she had spoken was in the trunk.
The blood ran cold in her veins.

This thing that had happened was as startling as a miracle.