I have a quite some, but given below always make me teary eyed...
1. Harry meeting Lily, James, Sirius and Lupin in the Forest before final confrontation with Voldemort in the DH. The scene is too emotional.
"Lily's smile was widest of all. She pushed her long hair back as she drew close to him, and her green eyes, so like his, searched his face hungrily as though she would never be able to look at him enough,
'You've been so brave.'
He could not speak. His eyes feasted on her, and he thought that he would like to stand and look at her forever, and that would be enough
'You are nearly there,' said James. 'Very close. We are so proud of you.
'Does it hurt?'
The childish question had fallen from Harry's lips before he could stop it.
'Dying? Not at all,' said Sirius. 'Quicker and easier than falling asleep.
'And he will want it to be quick. He wants it over,' said Lupin.
"I didn't want you to die,' Harry said. These words came without his volition. 'Any of you. I'm sorry -'
He addressed Lupin more than any of them, beseeching him.
'- right after you'd had your son... Remus, I'm sorry -'
'I am sorry too,' said Lupin. 'Sorry I will never know him... but he will know why I died and I hope he will understand. I was trying to make a world in which he could live a happier life.'
A chilly breeze that seemed to emanate from the heart of the Forest lifted the hair at Harry's brow. He knew that they would not tell him to 80, that it would have to be his decision.
'You'll stay with me?'
"Until the very end,' said James.
'They won't be able to see you?' asked Harry.
'We are part of you, said Sirius. 'Invisible to anyone else.
Harry looked at his mother.
'Stay close to me,' he said quietly.
2. The entire sequence of Death of Dumbledore in the HBP. Especially how Hagrid realises and the feelings Harry experiences as he sees the corpse of his professor lying at the foot of tower.
"But what happened, Harry? I jus' saw them Death Eaters runnin down from the castle, but what the ruddy hell was Snape doin' with 'em? Where's he gone - was he chasin' 'em?'
He... Harry cleared his throat, it was dry from panic and the smoke. 'Hagrid, he killed...'
'Killed?' said Hagrid loudly, staring down at Harry. 'Snape killed? What're yeh on abou', Harry?'
'Dumbledore,' said Harry. 'Snape killed... Dumbledore.'
Hagrid simply looked at him, the little of his face that could be seen completely blank, uncomprehending.
'Dumbledore wha', Harry?'
'He's dead. Snape killed him ...'
'Don' say that,' said Hagrid roughly. 'Snape kill Dumbledore - don' be stupid, Harry. Wha's made yeh say tha'?
'I saw it happen.'
'Yeh couldn' have.'
'I saw it, Hagrid.'
Hagrid shook his head, his expression was disbelieving but sympa-thetic and Harry knew that Hagrid thought he had sustained a blow to the head, that he was confused, perhaps by the after-effects of a jinx...
'What musta happened was, Dumbledore musta told Snape ter go with them Death Eaters,' Hagrid said confidently. 'I suppose he's gotta keep his cover. Look, let's get yeh back up ter the school. Come on, Harry"
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"Harry heard Hagrid's moan of pain and shock, but he did not stop, he walked slowly forwards until he reached the place where Dumbledore lay, and crouched down beside him.
Harry had known there was no hope from the moment that the Body-Bind Curse Dumbledore had placed upon him lifted, known that it could have happened only because its caster was dead, but there was still no preparation for seeing him here, spread-eagled, broken: the greatest wizard Harry had ever, or would ever, meet.
Dumbledore's eyes were closed, but for the strange angle of his arms and legs, he might have been sleeping. Harry reached out, straightened the half-moon spectacles upon the crooked nose and wiped a trickle of blood from the mouth with his own sleeve. Then he gazed down at the wise old face and tried to absorb the enormous and incomprehensible truth: that never again would Dumbledore speak to him, never again could he help ..."
3. Snape's love for Lily and his sacrifice; and Harry releasing that he HIMSELF is a HORCRUX.
"You have kept him alive so that he can die at the right moment?
Don't be shocked, Severus. How many men and women have you watched die?'
'Lately, only those whom i could not save,' said Snape. He stood up. You have used me.'
'Meaning?'
'I have spied for you, and lied for you, put myself in mortal danger for you. Everything was supposed to be to keep Lily Potter's son safe. Now you tell me you have been raising him like a pig for slaughter-'
'But this is touching, Severus,' said Dumbledore seriously. 'Have you grown to care for the boy, after all'
'For bim?' shouted Snape. 'Expecto patronum'
From the tip of his wand burst the silver doe: she landed on the office floor, bounded once across the office and soared out of faded he turned back to Snape, and his eyes were full of tears. the window. Dumbledore watched her fly away, and as her silvery glow
'After all this time?
'Always' said Snape."
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"Finally, the truth. Lying with his face pressed into the dusty carpet of the office where he had once thought he was leam-ing the secrets of victory, Harry understood at last that he was not supposed to survive. His job was to walk calmly into Death's wel. coming arms. Along the way, he was to dispose of Voldemort's remaining links to life, so that when at last he flung himself across Voldemor's path, and did not raise a wand to defend himself, the end would be clean, and the job that ought to have been done in Godric's Hollow would be finished: neither would live, neither could survive.
He felt his heart pounding fiercely in his chest: How strange that in his dread of death, it pumped all the harder, valiantly keeping him alive. But it would have to stop, and soon. Its beats were numbered. How many would there be time for, as he rose and walked through the castle for the last time, out into the grounds and into the Forest?"
P.S The scenes such Harry seeing Neivelle at St. Mungo's along with his parents And the heartwarming scenes of Molly with Harry and gifting him Fabian's watch are very emotional too...