What a strand of 18 inch cultured pearls with a 14kt clasp 2006 from your co is worth?

It depends on how large the pearls are and if they are real. They can cost anywhere from $179 to $1,020. Look here for examples of an 18 inch pearl necklace with a 14k gold clasp. http://www.pearlnecklacesource.com/categories/Pearl-Necklaces/