Common fixed lengths include 16, 17, 18 and 20 inches. At least one design uses a 15-inch chain with a 3-inch extender so it can be worn from 15 to 18 inches.
Most pieces use simulated or synthetic stones—predominantly cubic zirconia in round brilliant cuts. Other styles include heart-shaped cubic zirconia, sapphire-colored stones, and blue glass in marquise shapes.
Care depends on the finish: many sterling items recommend professional cleaning, while plated pieces advise avoiding household cleaners, not submerging or using soap/solvents, and wiping with a polish cloth.
Examples include 3 mm round stones designed to lay flat. Profile details sometimes list graduated widths given as ranges, for example 1/8 in. to 1/4 in. or 1/8 in. to 3/16 in.
Many styles are fixed-length (for example 16, 18, or 20 inches). At least one design includes a 3-inch extender, allowing the chain to be worn from 15 to 18 inches.
