LONGWIN 80mm(3.1 inch) Crystal Diamond Paperweight Jewels Wedding Decorations Centerpieces Home Decor (Purple) Material:k9 Crystal Best Material Material: K9 crystal,it's translucent, without impurity and no bubbles. Diameter:80mm(3.1 inch), Height:52mm(2 inch). Nature color and Non fading. Packed in a pink gift box. Great for wedding,party,office and home decoration. Ideal as a birthstone for someone's birthday present, also ideal for valentines gifts.