Are your rings too big? Your bracelets too tight? Check out this jewelry sizing cheat sheet from Diamonds in the Library and you'll never buy bling the wrong size again.
Necklace lengths - of course where a piece falls depends on the size of the wearer.
Jewelry Sizing Guide
Delicate, Minimal Set of 3 Layering Necklaces in Sterling Silver, 14k Gold Filled or Rose Gold Filled. All individual, so you can wear them
Piaget - Possession 18-karat Rose Gold, Lapis Lazuli And Diamond Cuff - M
CVC Stones - West Hampton 18-karat Gold, Stone And Diamond Necklace - one size
Chart gives sizes of bracelets and necklace for different ages. Takes the guess out of what size will fit.
Pomellato - Nudo 18-karat White Gold, Prasiolite And Diamond Earrings - one size
Tiffany & Co. - T Smile 16" 18-karat Gold Diamond Necklace - one size