Voldemort decided not to check whether anything was wrong with his Horcruxes.
If his opponent had set a trap there, he would lose even the life he had now.
In that instant, he understood. His opponent had published that novel and laid such a revolting trap in the Riddle House to lead and force him into checking his Horcruxes.
Their next move was certainly waiting at the Horcruxes.
But his opponent had outsmarted himself. By using the aura of Voldemort's own soul in those magical words to disgust him, he had allowed Voldemort to determine in advance that something had happened to a Horcrux.
Moreover, he could now be certain that the problem lay with this ring, because its hiding place was far too easy for Dumbledore to discover.
Dumbledore, who had always kept an eye on him, had very likely discovered his connection to the Gaunt family, and even dug deeper through that connection to uncover the Riddle Family.
If he had grown suspicious of Voldemort, he would certainly have searched the Gaunt family home for clues related to him, thereby discovering the Horcrux ring he had hidden here.
He had been too young back then. He should have hidden it somewhere no one would think of, as he had with the later Horcruxes.
He could now be certain that his opponent was Dumbledore.
Only that old adversary was so adept at leading people step by step into his traps.
He had already experienced that during his attempt to steal the Philosopher's Stone two years earlier.
This time, he would not fall for it again.
"My old professor, Albus Dumbledore."
Voldemort murmured to himself, a measure of confidence appearing on his face. Once he knew who his opponent was, everything became easier to handle.
Lovegood was probably bait he