Here is the glass + digitizer on Amazon.com
https://smile.amazon.com/Display-Touch-Screen-Digitizer-Assembly/dp/B07K47FC9Q/ref=sr_1_2?crid=3KVXA8R9W0D9V&keywords=lg+v30+screen+replacement+glass&qid=1560528833&s=gateway&sprefix=lg+v30+screen+re%2Caps%2C127&sr=8-2
And here is just the glass on Amazon.com
https://smile.amazon.com/MMOBIEL-Replacement-V30-H930-Touchscreen/dp/B078W7WKZS/ref=sr_1_5?crid=3KVXA8R9W0D9V&keywords=lg+v30+screen+replacement+glass&qid=1560528891&s=gateway&sprefix=lg+v30+screen+re%2Caps%2C127&sr=8-5
Maybe if you buy the part, you can take it to your repair guy and have them do it. Or they may not want to do it if it’s too new and they haven’t done one before.