5.0 CT Natural Rainbow Mystic Topaz Silver Chain will be different than the picture !!!! Main Material is 925 Sterling Silver Certificate is NOT included!!! ( NO Authenticity Card) if you request certificates you should ask for it. i should pay and get them!!! Main Stone is Rainbow Mystic Topaz, Stone Quality VVS Multicolor Color Available in many different colors and styles please check out my closet Shipping on same or next business day