Yes, a solitaire has great resale value on the Australian Diamond Market, as it is the most popular and classic of engagement ring diamonds. In fact a solitaire resale value can fetch 95% of the current Australian market value, although this may vary with smaller solitaire diamond that can have a resale value of 85-90% of the current Australian market value. Established buyers will even offer you’re a buy-back value of around 85%.