Short answer is, yes, you can. Rear 19x8.5 ET46.5 will fit on the front axle with spacers, ideally 12mm to correct offset to within 0.5mm of the stock front offset of 34mm. Like these:
https://www.amazon.com/Customadeonly-Centric-Spacers-Pattern-5x114-3/dp/B072HYV6XN Spacers in the range of 10-15mm would also work.
Problems, however, are manyfold:
1. 10-12mm spacers typically don't come studded, so you'd have to replace the front wheel studs with extended ones. Some vendors do offer studded 15mm spacers, but I personally despise studded spacers. If you need spacers that thick, just get better fitting wheels with closer offset to begin with.
2. OEM wheels are rather expensive. From the dealer, they're $400+/each, with some charging way more than that. You might be able to find take-offs, or salvaged, or reconditioned, but they typically cost no less than aftermarket wheels with the right offset.
3. OEM wheels are HEAVY. Most of the 19"s are way over 30 lbs. IIRC, yours are some 35 lbs. That is a lot of unsprung weight. You'd be much better off with flow-formed aftermarket wheels that are as light as 20 lbs.
It's your car, your money.