Why is it das Schätzchen?

Schätzchen ends in -chen, and almost all nouns ending in -chen are neuter: in a German dictionary, 94% of them take das.

All nouns ending in -chen
Sense 1
das

Meaning

[1] relatively valuable object

[1] verhältnismäßig wertvoller Gegenstand

[2] Kosewort

[2] Kosewort

Examples

[1] At the flea market, many people try to bring their darling to the man

[1] Auf dem Flohmarkt versuchen viele Menschen ihre Schätzchen an den Mann zu bringen.

[2] Well, darling how are you today?

[2] Na, Schätzchen? Wie geht’s dir heute?
More source examples (1)

These dictionary examples can include historical and less common uses.

[2] "The darling, the waitresses and the temporary customers cannot be blinded"

[2] „Die Schätzchen, die Kellnerinnen und die Aushilfskellnerinnen lassen sich nicht blenden.“

Declension

1 Singular Plural
Nominativ das Schätzchen die Schätzchen
Genitiv des Schätzchens der Schätzchen
Dativ dem Schätzchen den Schätzchen
Akkusativ das Schätzchen die Schätzchen

Pronunciation

Dictionary entries include material from Wiktionary. Wiktionary