Why did Lucius give Harry the diary?

It’s clear that Lucius has a grudge against Arthur. As Dumbledore provides an explanation for us: ”But he went ahead and carried out the old plan for his own ends; By planting the diary upon Arthur Weasley’s daughter, he hoped to discredit Arthur and get rid of a highly incriminating magical object in one stroke.”

Did Voldemort tell Lucius the diary?

The plan was to use the diary to reopen the Chamber, but Voldemort fell before that plan came to fruition, although Voldemort never told Lucius that the diary contained a fragment of his soul, instead simply making it appear to be cleverly charmed.

What did Voldemort do to Lucius?

Lucius Malfoy’s failure at the Department of Mysteries combined with accidentally destroying part of Voldemort’s soul with the diary of Tom Riddle resulted in his loss of any standing with the Dark Lord. Some believed that he was safer in Azkaban than being free. Lucius was sentenced to life imprisonment in Azkaban.

Who did Lord Voldemort give his diary to?

Some time during the First Wizarding War, Lord Voldemort entrusted the diary to Death Eater, Lucius Malfoy.

Did Dumbledore have the Horcruxes of Voldemort?

[Professor Dumbledore:] ‘Yes he did, years ago, when he was sure he would be able to create more Horcruxes, but still Lucius was supposed to wait for Voldemort’s say-so, and he never received it, for Voldemort vanished shortly after giving him the diary.

Where did Lucius Malfoy get his diary from?

The diary was originally purchased from a Muggle Shop on Vauxhall Road in London. Considering Draco Malfoy’s reaction to finding the diary with Harry, Lucius apparently never showed the diary to his son. That Horcrux revealed to Harry Potter that Lord Voldemort is only an alias; his true name was Tom Marvolo Riddle.

What would have happened if Arthur had discovered Lucius’ diary?

Arthur works for the Ministry and is a friend (or at least a fan) of Dumbledore’s; if he discovered the diary quickly enough, it could go very badly for Lucius. And if Lucius was deliberately trying to open the Chamber (for some reason?), the whole thing seems very poorly planned and executed.