Do you want to match your custom bathroom vanities? Choosing a vanity that is too extravagant could mean that you will have to make some renovations around vanity. If your bathroom decor is a more traditional environment, you can go with an old toilet with a theme of marble or granite top. One this style tends to be in higher price range, so that your budget has to support such an option.
One way to help you choose custom bathroom vanities is a website that sells. Several of these sites have option to choose design style vanity sink, countertop material and what kind of faucet hardware to install.