A 42cm length necklace fits like a choker, sitting closely around the neck. Choker necklaces are great with clothing designed with higher necklines.

45 cm 
45 cms is a common choice for women’s necklace lengths. It will fall just below the throat and sit at the collarbone. This length necklace is popular for adding pendants which will hang over a top with a high neckline.

50 cm 
A 50 cm necklace will fall below the collarbone. A necklace this length is perfect for a low, plunging neckline or if you want to wear it over a turtleneck top.

53 cm 
53 cm necklaces sit at or above a low neckline.

60 cm 
A 60 cm necklace falls below any neckline, but above the bust line.

80 cm 
80 cm chains fall below any neckline and sit on the bust to a little below.

85 cm 
80 cm necklaces fall below your neckline and sit a little below your bust line. This length can be worn as a single chain or sometimes it is worn doubled over with a choker style & mid-length necklace layered look.

90 cm 
90 cms is a common necklace length with pearls or other hanging chains. It will hang well below the bust. This length can be worn as a single chain or doubled over for two 45 cm necklaces with a layered look.

100 cm 
100 cms necklace hangs quite long almost down to the waist. This length can be worn as a single chain or doubled over for two 50 cm necklaces with a layered look.