Your search for "Single Handle Bathroom Faucets" revealed the following:
Rhine Single Function Showerhead with Faucet
$270.00
$540.00
SevenFalls 8018 Freestanding Bathtub Faucet with Hand Shower
$698.00
$1,428.00
Dionna 9184 Widespread 3-Hole Bathroom Faucet with Lever Handles
$194.00
$388.00
Dionna 9185 Widespread 3-Hole Bathroom Faucet with Lever Handles
$192.00
$384.00
Lago Single Hole Single Handle Kitchen Faucet
$120.00
$240.00
Canal Single Hole Swivel Spout Single Handle Kitchen Faucet
$132.00
$264.00