 The 
  Pear cut is a tear-drop shape and is a variation of the round 
  brilliant cut diamond. This attractive diamond is also extremely well-suited 
  to pendants and earrings. Many of the largest stones ever discovered have been 
  cut and faceted into magnificent pear-shapes.
The 
  Pear cut is a tear-drop shape and is a variation of the round 
  brilliant cut diamond. This attractive diamond is also extremely well-suited 
  to pendants and earrings. Many of the largest stones ever discovered have been 
  cut and faceted into magnificent pear-shapes.
A hybrid cut, combining the best of the oval and the marquise, it is shaped most like a sparkling teardrop.
 Length 
  to width ratio: Most people prefer a pear-shaped diamond to have a length to 
  width ratio of approximately 1.65:1. More elongated pear-shapes extend to a 
  ratio of 1.80:1, whereas a more compact look is achieved with a ratio closer 
  to 1.20:1
Length 
  to width ratio: Most people prefer a pear-shaped diamond to have a length to 
  width ratio of approximately 1.65:1. More elongated pear-shapes extend to a 
  ratio of 1.80:1, whereas a more compact look is achieved with a ratio closer 
  to 1.20:1