Brands typically recommend using wooden or silicone kitchen utensils with nonstick pans to keep from damaging the coating, but Calphalon designed its ceramic skillets with scratch-resistant interiors.

The makers of the Blue Diamond Diamond-Infused Ceramic Frypan hold it out to be a culinary cure-all: nonstick; scratch-resistant; lightweight; easy to handle; hardy in the oven, broiler and dishwasher ...

Our tests find that it’s excellent overall, performing some tasks on par with nonstick pans costing five or six times as much. But this diamond isn’t flawless. For instance, it surface is not exactly ...