A Redditor claims to have access to a Canadian database in which the upcoming LG G8 ThinQ is shown alongside the number 1199. Assuming this figure is its price in the country, this means the phone could cost about US$900 at launch. Considering LG's typical release strategies for its mobile devices, this is more or less plausible.
https://www.notebookcheck.net/New-leak-alleges-the-LG-G8-ThinQ-could-cost-as-much-as-US-900.406116.0.html