Where should I sell good Diamond jewelry?

You should try and sell your diamond bracelet on ebay.

Sell it to trained professionals who take into evaluation the 4Cs of a diamond, its intrinsic value and factor in the history, craftsmanship, and market desirability of diamonds. Look for GIA certified staff, BBB ratings and reputation over the years, before dealing with any jeweler. A professional jeweler will surely evaluate the best price for your bracelet and will give best deal for it.