SB 10.55.29

avadhārya śanair īṣad
 vailakṣaṇyena yoṣitaḥ
upajagmuḥ pramuditāḥ
 sa-strī ratnaṁ su-vismitāḥ
Word for word: 
avadhārya — realizing; śanaiḥ — gradually; īṣat — slight; vailakṣaṇyena — by the difference of appearance; yoṣitaḥ — the ladies; upajagmuḥ — they came near; pramuditāḥ — delighted; sa — together with; strī — of women; ratnam — the jewel; su-vismitaḥ — very surprised.
Translation: 
Gradually, from the slight differences between His appearance and Kṛṣṇa’s, the ladies realized He was not the Lord. Delighted and astonished, they approached Pradyumna and His consort, who was a jewel among women.