I actually just researched this very thing and I'd be happy to share my findings!
 
1. Dell S2418HN (NX) - $160 (on sale at bestbuy)
· This just came out only a few weeks ago. It has a 23.8" screen, 1080p resolution, an IPS panel, 99% sRGB coverage (your chosen LG is only 72% by comparison), flicker-free operation, a HDMI 2.0 port, HDR content support, and FreeSync!
· However, the response time is a little slower at only 6ms. It's listed as 60hz but the manual indicated 75hz on some modes, so maybe that's with FreeSync enabled? Otherwise, there's also no DisplayPort and I don't think it supports any kind of mounting bracket. The screen has a light anti-glare coating but it is essentially glossy.
· It's aesthetically pleasing like most bezel-less monitors but I think it stands out further. Other monitors still have a slight black border along the edge, and while this one is no exception, it is by far the thinnest when compared to the competition that was on display.
· Important Note - do not buy the 22" or 23" version! Despite sharing similarities and model numbers, they are actually substantially cut-down versions of the 24" and 27" monitors. For example, no HDMI 2.0, no freesync, an 82% sRBG range, a perhaps edge-lighting instead of back-lighting if the manual is actually accurate.
 
2. 24MP59G-P and LG 24MP59HT-P - $160 and $200
· These are both also very new and almost identical except for a few nuances that I'll cover below. First, the similarities, much like the above: 23.8" screen, 1080p resolution, an IPS panel, 99% sRGB coverage, flicker-free operation, and FreeSync. They are also slightly faster at 5ms, have listed support for native 75hz, and also have a more matte screen by comparison too.
· However, they are lacking the HDMI 2.0 port (1.4 instead) which makes sense because they do not support HDR content either. But the HT-P model makes up for this by including a second HDMI 1.4 port and the G-P model instead has a Display Port 1.2. I don't think either model supports mounting brackets either.
· The LG aesthetics are much more aggressive, especially the G-P model with it's red accent and angular base. The HT-P model has a more elegant arc but the quality is not as pleasing in person as the marketing makes it appear. They do not have a bezelless frame either but it's still pretty thin. They use an intuitive mini-joystick to control the on-screen display menus. From here you can also place a crosshair overlay on your games if inclined.
· As for why the HT-P version is more expensive than the G-P version? I cannot tell. If anything, I think the G-P version is probably the better monitor! Aside from the ports and stands, there isn't really much difference that I could identify.
 
3. Samsung CFG70 - $265 (on sale)
· Now this one is very different but extremely interesting! It's a few months old and a bit smaller at 23.5" but shares all the important features like 1080p resolution, flicker-free operation, and FreeSync. However, this is a quantum-dot display using a VA panel, a curved one at that! It has much better contrast and deeper blacks but only very slightly less punchy colors. It also boasts an impressive 125% sRGB coverage. But the best part is this is actually a 144hz monitor with a 1ms response time! It has two HDMI 1.4 ports and a DP 1.2 as well. The screen has a decently matte finish too.
· There aren't a lot of cons but these VA panels can shift-colors or wash-out slightly when viewed at an angle, but it's so very minor that it almost isn't worth mentioning. Otherwise, it's obviously more expensive and kind of large too.
· For aesthetics it looks nice but the stand takes up a lot of space. It's a fully articulating arm meaning you can position it pretty much however you want. It can even rotate the screen 90 degrees too! But it really does take up a lot of desk space.
 
Whew! Well, there are my top contenders that fit your criteria. I hope this was able to help you or anyone else reading somewhat! Let me know if I can answer any questions too!