Erik posted translations of the first two of these on twitter last year. I saved them
Greek Anthology, 7.669 (Plato)
“My shining star, you gaze upon the stars yourself;
I wish that I were the sky, so that I could look at you with many eyes.”
᾿Αστέρας εἰσαθρεῖς, ᾿Αστὴρ ἐμός· εἴθε γενοίμην
οὐρανός, ὡς πολλοῖς ὄμμασιν εἰς σὲ βλέπω.
Greek Anthology, 7.670 (Plato)
“You once shone as the morning star among the living,
but now you shine like the evening star among the dead.”
᾿Αστὴρ πρὶν μὲν ἔλαμπες ἐνὶ ζωοῖσιν ῾Εῷος·
νῦν δὲ θανὼν λάμπεις ῞Εσπερος ἐν φθιμένοις.
Two more love poems attributed to Plato
Diogenes Laertius Vita Phil 1.3 [Plato 31] and Athenaeus 589e
“I have a lover from Kolophôn named Arkheanassa—
Potent lust rests even on her wrinkles
Poor wretches who met her during the first sailing
Of her youth—what a conflagration you passed through!”
Ἀρχεάνασσαν ἔχω τὴν ἐκ Κολοφῶνος ἑταίραν,
ἧς καὶ ἐπὶ ῥυτίδων ἕζετο δριμὺς ἔρως.
ἆ δειλοὶ νεότητος ἀπαντήσαντες ἐκείνης
πρωτοπλόου, δι᾿ ὅσης ἤλθετε πυρκαϊῆς.
The Greek Anth. 7.217 attributes a slightly different version to Asclepiades
“I have Arkheanassa, a lover from Kolophôn—
Sweet lust rests even on her wrinkles
Oh lovers who harvested the fruit of her youth
At first bloom—what a conflagration you passed through!”
Ἀρχεάνασσαν ἔχω, τὰν ἐκ Κολοφῶνος ἑταίραν,
ἇς καὶ ἐπὶ ῥυτίδων ὁ γλυκὺς ἕζετ᾿ Ἔρως.
ἆ νέον ἥβης ἄνθος ἀποδρέψαντες ἐρασταὶ
πρωτοβόλου, δι᾿ ὅσης ἤλθετε πυρκαϊῆς.
D. L = Gr. Anth. 7.78
“When kissing Agathon I felt my soul at my lips.
The wretch—for she was trying to cross between us.”
τὴν ψυχὴν Ἀγάθωνα φιλῶν ἐπὶ χείλεσιν εἶχον·
ἦλθε γὰρ ἡ τλήμων ὡς διαβησομένη.
According to Aelian, Plato’s career as a poet was cut short (Varia Historia 2.30); but note, though there is mention of epic and tragedy, the anecdote makes no claims for lyric and elegy:
“Plato, the son of Ariston, at first pursued poetry and used to write heroic verse. But he soon burned it all because he despised it, since he reckoned that his poetry was far inferior when compared to Homer’s. He then tried tragedy and even completed a tetralogy, and he was about to enter the competition, even to the point of giving the verses to actors. But right before the Dionysia, he went and heard Socrates; and once he was seized by that Siren, he not only withdrew from the competition, but he also gave up the writing of tragedy for good to immerse himself in philosophy.”
Πλάτων ὁ ᾿Αρίστωνος τὰ πρῶτα ἐπὶ ποιητικὴν ὥρμησε, καὶ ἡρωϊκὰ ἔγραφε μέτρα• εἶτα αὐτὰ κατέπρησεν ὑπεριδὼν αὐτῶν, ἐπεὶ τοῖς ῾Ομήρου αὐτὰ ἀντικρίνων ἑώρα κατὰ πολὺ ἡττώμενα. ἐπέθετο οὖν τραγῳδίᾳ, καὶ δὴ καὶ τετραλογίαν εἰργάσατο, καὶ ἔμελλεν ἀγωνιεῖσθαι, δοὺς ἤδη τοῖς ὑποκριταῖς τὰ ποιήματα. πρὸ τῶν Διονυσίων δὲ παρελθὼν ἤκουσε Σωκράτους, καὶ ἅπαξ αἱρεθεὶς ὑπὸ τῆς ἐκείνου σειρῆνος, τοῦ ἀγωνίσματος οὐ μόνον ἀπέστη τότε, ἀλλὰ καὶ τελέως τὸ γράφειν τραγῳδίαν ἀπέρριψε, καὶ ἀπεδύσατο ἐπὶ φιλοσοφίαν.