During the ruckus as the Kaginoji house, Nasa and Tsukasa pledge their love to each other at a church. After Nasa reports to Kaname that he has finally proposed, she points that he still doesn't have a ring. Although he doesn't take much notice at first, Nasa gradually becomes more self-consciousness about the role of a ring in newlywed life.
There's that old saying about them 
costing three months' salary...
...هناك مقولة تفيد بأنّ ثمنه يعادل راتب ثلاثة أشهر
Ganz traditionell sollten es
ja drei Monatslöhne sein …
Se solía bromear con que valía
tres meses de sueldo.
Se solía bromear con que valía
tres meses de sueldo.
Autrefois, on disait que c’était
l’équivalent de trois mois de salaire.
C'è quel vecchio detto 
che li paragona a tre mesi di stipendio...
Sempre diziam que custa cerca
de três meses de salário...
Помню старые шутки про то,
что их цена как три зарплаты.