If you make the cutout about 1 8 inch larger around the perimeter than the size of the tiles you would be able to seal the insert with grout which would.
Inserting a sink into a granite tile countertop.
Start by noting the location of the sink on your new countertop.
Apply adhesive along the edges of the sinkhole.
Stab the point of the blade into the backer board then lever the side of the blade against the bottom edge of the tile.
To make the tile surface look more like a slab of granite use the thinnest spacers you can find.
Double sink vanities with free shipping.
Set consistent grout lines.
Draw perpendicular lines representing the rows of tiles image 1.
If a tile sinks lower than its neighbors lift it straight up with a suction cup see below scrape off the old thin set trowel on a fresh layer then reset.
Place the sink upside down on the counter and mark with a pencil where the holes need to be.
Granite composite sinks install similarly to other drop in sinks with clips and caulk holding the sink in place on the counter.
Make any necessary cuts to fit the tiles around the sink remembering that the fewer cuts the better.
Place the sink and press down along the edges for 10 seconds to secure the sink.
Trying to tap down a high tile almost always causes a crack.
Where those two points intersect is where angle cuts are needed.
I think that the least expensive thing to do would be to buy one or two large granite tiles and make a cutout in your counter top to accomodate them.
Drill holes for any screws that will be used to mount the clip.
Mark all tiles that need to be cut.
Do the same thing from the sink side of the countertop.
You will be transferring these angled lines to the tiles.