<!DOCTYPE html>
<html lang="en-US">
<head>
<style>
#point:after{
content:"\022C4";
}
</style>
</head>
<body>
<p>Diamond Operator using Hexa Decimal: ⋄</p>
<p>Diamond Operator using HTML Code: ⋄</p>
<p>Diamond Operator using HTML Entity: ⋄</p>
<p id="point">Diamond Operator using CSS Entity: </p> </body>
</html>