graduating tennis necklace

They are typically offered in sterling silver or brass, and some styles are finished with 14K gold plating.

Most pieces use simulated cubic zirconia, usually described as round or round brilliant cuts; some listings note a standard "good-cut" grade.

Common lengths include 16 inches, 18 inches, 18.5 inches, and 20 inches.

Chain style is typically a link chain. Finishes noted include polished sterling silver and 14K yellow gold plating on some items.

Some gold-plated necklaces are labeled hypoallergenic and specified as nickel-free, lead-free, and cadmium-free. Other pieces list only their base metal (sterling silver or brass) without hypoallergenic claims.