One of the newest additions to Picket Fence Studios ever growing collection of embellishments are Crystalline Diamonds. These beautiful 3D diamond shaped gems add just the right touch to many types of cards and your everyday crafting needs. They are approximately 4.2 mm in size and made of very light weight plastic. Crystalline Diamonds are considered semi-transparent which allow stunning hues of the rainbow to shine through. 1 oz. jar.