Any loose diamond purchased from Brilliant World, can be exchanged for credit equivalent to the original purchase price for a new diamond that is at least thirty percent greater value. In order to be eligible, the diamond being upgraded must be accompanied with original documentation and must be in saleable condition. Upgrades are not available for colored gemstones, settings and jewelry. Upgrade credit does not include duty or tax paid on the original purchase. All applicable duties and taxes will be charged on the full retail price of the new diamond before any credit is applied.