Tech Specs Monitor:

PANEL
Panel Size 31″ class (31.0″ diagonal)
Panel Type IPS
Color Gamut (CIE1976) Adobe RGB over 99.5% / DCI-P3 97%
Color Depth (Number of Colors) 10bit
Pixel Pitch (mm) 0.0567mm x 0.1701mm
Aspect Ratio 17:9
Native Resolution 4096 x 2160
Brightness 320 cd/m2
Contrast Ratio (Typ.) 1,000:1
Dynamic CR (DCR) On/Off
Response Time 5ms (G to G)
Viewing Angle 178°/178°
Surface Treatment Advanced Anti-Glare Treatment of the Front Polarizer

SIGNAL (INPUT)
USB Up 1 (3.0)
USB port 3 (3.0)
HDMI Yes (x2, ver 1.4)
Display Port Yes (x1, ver 1.2)
Mini DisplayPort Yes (x1, ver 1.2)
Thunderbolt Yes (x2)
 
http://www.lg.com/us/business/commercial-display/it-products/desktop-monitors/lg-31MU97Z-B

I would say a CAC-1507 = USB Type C to DP1.2 (Thunderbolt 3 Compatible)
plus a CAC-1163 = Mini DP to DP 1.2 Cable 2 Meter (Bi-Dir) 21.6Gbps
or CAC-1064 = DP1.2 Cable 3 Meter 21.6Gbps
http://club-3d.com/index.php/products/reader.en/product/club-3d-usb-31-type-c-to-displayport-12-uhd.html
http://club-3d.com/index.php/products/reader.en/product/mini-displayport-to-displayport-cable.1788.html
http://club-3d.com/index.php/products/reader.en/product/displayport-cable-ver-12.html