Hello,

I apologize for so slow support service, we are going to change our way of providing support soon, as our current capacity does not allow us to answer all questions in time as we would like to.
Our programmers will answer once they figure out questions of customers who contacted us before you.

Dear Vidyasagar Kushwaha,

Your site is cached for pages with .html extensions. See

centurydiamonds.com/category-earrings - not cached
centurydiamonds.com/category-earrings.html - cached

Your .htaccess includes the rewrite rules for .html, it seems that your "Category/Product URL Suffix" is not set properly. Make sure that you set "Category/Product URL Suffix" to "" (empty string). If not, do it and rebuild .htaccess from M-Turbo admin panel, please. The pages should be cached after that.