The 'se lo' rule (se lo, se la)

QuestionAnswer
the manager
el gerente
the jewel
la joya
to him / to her / to them / to you (formal)
se
The manager wants the jewel, but I am not giving it to him.
El gerente quiere la joya, pero no se la doy.
the necklace
el collar
damaged
dañado
to return (an item)
devolver
The necklace is damaged. I am returning it to the store.
El collar está dañado. Se lo devuelvo a la tienda.
the perfume
el perfume
to recommend
recomendar
She is going to buy the perfume. I recommend it to her.
Ella va a comprar el perfume. Se lo recomiendo.
the thoughtful gift / the detail
el detalle
to give (a gift)
regalar
It is a beautiful thoughtful gift. Are you going to give it to him?
Es un hermoso detalle. ¿Se lo vas a regalar?
the signature
la firma
The manager needs your signature. Are you sending it to him today?
El gerente necesita tu firma. ¿Se la envías hoy?
The jewel is very expensive. He gives it to her as a gift.
La joya es muy cara. Él se la regala.
The customer has a problem with the necklace and returns it to him.
El cliente tiene un problema con el collar y se lo devuelve.
The package is damaged. I am showing it to the manager.
El paquete está dañado. Se lo muestro al gerente.
Do you want those perfumes? I recommend them to you.
¿Ustedes quieren esos perfumes? Se los recomiendo.
It is a perfect thoughtful gift. I am going to deliver it to her tomorrow.
Es un detalle perfecto. Se lo voy a entregar mañana.
The lady asks for your signature. I am going to give it to her.
La señora pide tu firma. Se la voy a dar.