Will promo codes work on all brands? Unfortunately no, discount promo codes will not work on the following brands Swarovski, Stone Glacier, & Sitka. Related articles Can I use a promo code on sale items? How long do I have to return or exchange an item? Can I redeem INSIDER Points on the same transaction as a promo code? Will I earn INSIDER Points if I use a promo code on a purchase? How much is shipping?