Emtek is a premium hardware brand that is available in a vast array of finishes, styles, and functions. Mixing and matching any handle with any plate in any finish will definitely fulfill any design requirement. See www.emtek.com for their full product offering.
Bern Knob
with Disk Rosette
*shown in Oil Rubbed Bronze
Octagon Knob
with Modern Rosette
*shown in Satin Nickel
Orb Knob
with Neos Rosette
*shown in Flat Black
Round Knob
with Square Rosette
*shown in Polished Chrome
Modern Square Knob
with Rectangular Rosette
*shown in Satin Brass
Modern Square Crystal Knob
with Disk Rosette
*shown in Satin Nickel