What is the diameter of the 1.5 quart saucepan?

Thank you for your inquiry. The diameter of the KitchenAid 3-Ply Base Stainless Saucepan is approximately 6-5-inches.

Will this work on induction cooktop?

Yes, this saucepan is induction stovetop suitable.

Is there a lid for 1 1/2 qt saucepan?

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What is the diameter of the bottom of the 1.5 quart pan?

We don't have a KitchenAid 1.5 quart pan. We have two KitchenAid 4 qt Stainless Steel casseroles with glass covers. Sorry. Our 4 qt 3-ply pans have survived two years of every day use - seriously, every day. They clean easily - we've NEVER put in the dishwasher. I wash each pan after every use by hand using Dawn Platinum detergent. Normal use (on gas range) and hand washing has not damaged the integrity of the metal or or the glass lid. We would buy again.