Your search for "single handle bathroom faucets" revealed the following:
Rhine Single Function Showerhead with Faucet
$270.00
$540.00
SevenFalls 8024 Freestanding Bathtub Faucet with Hand Shower
$752.00
$1,798.00
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
Bahia Widespread 3-Hole Bathroom Sink Faucet
$200.00
$400.00
Lago Single Hole Single Handle Kitchen Faucet
$120.00
$240.00