Bulk Pirate Gems ACRYLIC Plastic 20mm DIAMOND Shape Assorted colors Find Your Own Buried Treasure With Pirate Jewels. Fill your goody bags and treasure chests with pirate favors and toys like these Bulk Pirate Jewels. The treasure jewels are also ideal for use as stage props and party decorations. Jewels are approximately 1/2 Inch tall and 3/4 inches wide. Assorted colors. Made of plastic. Colors May Vary.