Adding V-Ray 3.6 to R19 turned C4D into a "photoreal machine." This version was particularly noted for:
V-Ray is an industry-standard rendering engine known for its speed and photorealistic quality. Version 3.6.0 brought the renderer up to modern standards for Cinema 4D users. CINEMA 4D Studio R19.024 VRAY for C4D v3.6.0 macOS.zip
Which of those would you like?