1. a. Items that bring one happiness are not purchased during the Nine Days. Included in this are jewelry, knick knacks and merchandise bought for a bride and groom, such as gowns, furniture etc.

b. If a great loss will be involved if the item is not purchased at this time (there is a major sale only then) or the item will not be available after Tishah B’Av one may be lenient and purchase it.

c. Necessary major items, (e.g. appliances, basic furniture) may be purchased during the Nine Days (but not clothing).

d. A bride or groom who has not yet fulfilled the mitzvah of having children who is getting married after Tishah B’Av may be lenient to purchase items necessary for the huppah. 

2. An individual who works in the wholesale jewelry (or another simha related) industry is permitted to purchase merchandise during the Nine Days.