Tools and methods for marble cutting

You will need a diamond cutting wheel for a grinder or a large wheel for a partner saw. I use a 14" saw blade and clean it up with my grinder, Then you can go to your local brick/granite supply house and get granite polishing pads for the edges they come in 4 different grits from course to very fine. they fit on a 4-5 inch grinder.

Cutting marble, granite, quartz, etc. requires diamond grade grade tools and polishing tools. best blade for cutting marble tile it isn't easy so if you are going to do it get some scrap to practice on. Sometimes scoring and tapping it..like glass will work to an extent but not for a clean edge. It is an art

Is it possible to cut a cultured marble vanity top

Cultured marble does chip kind of easy if you cut it wrong, You can use either a wet or dry cut diamond saw, like for tile, to cut it. Just run a piece of duct tape around the top where you want to cut. This will give you an area you can draw you line on and help keep the vibration of the blade from nicking the edge. Try to place the cut edge against a wall so any imperfections will disappear. I have do this all the time for the same reason, I can buy a clean used top for under 50 bucks from habitat,and cut to fit.

China Diamond Saw Blade for Stone Cutting

Stone Diamond Blades are engineered to cut thick granite, marble, and hard stone. The turbo rim design is perfect for countertop fabrication and other fine detail work where a smooth clean cut is necessary. This blades strong steel core and unique cooling holes provide fast heat displacement. Use this blade on 7 in. angle grinders or circular saw with DM 7/8 in. arbor, 5/8 in. adapter is included.

Professional-grade quality
Engineered for cutting granite, marble, and hard stone
Turbo style rim formulated with high-grade diamond and a unique bond matrix for fast smooth cuts
For use on 7 in. angle grinders and circular saws
DM 7/8 in. - 5/8 in. arbor
MAX RPM 8,730
Faster cutting and longer life than standard abrasive blades