DIY crystal bouquet holder DIY swarovski crystal bouquet holder 1. Buy pvc pipe with cap at local hardware store and cut into size(s) you need for multiple holders. 2. Use a metallic spray paint for plastics try to use one that will match the rhinestone color you will be using. 3. Purchase Swarovski crystals wholesale on eBay for cheaper and use special gem glue from Michaels or Hobby Lobby to glue them on.