Quartz Countertops Cost. The average quartz countertop cost is between $3,000 and $7,500 for a decent-sized kitchen. That’s a wide range, but it depends on things like size of the slab, how many ...

Unlike granite, quartz countertops are engineered products, made up of over 90% ground-up quartz, usually a byproduct of mining or fabrication. Quartz is a mineral made of silicone dioxide.