types of lengths of necklaces
Matinee necklace. A matinee length necklace is 56 centimetres (22 in) to 58 centimetres (23 in) long â typically a single strand that rests at the top of the cleavage. Opera necklace. An opera necklace is 75 centimetres (30 in) to 90 centimetres (35 in) long and sits at the breastbone. Rope necklace.
Standard Necklace Sizes for Women*. 1  16- Choker Length. 2  17-18- at collarbone. 3  20- A few inches below collarbone.  22- At or above 1  neckline. 24- Below the neckline.