Is 2mm too thin for a diamond tennis necklace?

It is on the slim side. 2mm gives a delicate line of diamonds that suits everyday wear; shoppers wanting a bold flash usually look at 3mm and up.

Will a 24-inch tennis necklace sit well on a small frame?

It falls below the collarbone, often to the top of the chest. On a petite frame that reads as a long layer; many shoppers prefer 16-18 inches for a closer fit.

Is the white gold solid or plated?

It is 14k white gold, which is a solid gold alloy. White gold is normally rhodium-finished for brightness, and that finish can wear over years and be re-plated.

How do I care for a diamond tennis chain?

Store it flat or hanging to avoid kinks, keep it away from chlorine and perfume, and clean with mild soap and a soft brush. Check the clasp and links periodically.