It is not easy to find a hoya crystal vase. Hoya is the name of a Japanese company founded in the city of Hoya, Japan which made crystal items from 1945 to 2009. The crystal vases that they made are very beautiful. One place that does occassionally carry Hoya crystal vases is eBay, which you can check at this link: Hoya crystal
This page helps people find a hoya crystal vase. The page may also be of interest for those looking for vases, hoya crystal vase, at a good price.