Red-hot Diamonds is a type of standalone jewelry, and Sotheby's Australia's sale of standalone jewelry will be a significant one for auction house. this is first standalone jewelry sale for Australian branch's. Red-hot Diamonds, it's a expensive product and provide effective quality. The diamond set valuated between $9,676 to $11,519, one made of sapphire & diamond (approx $23,034 to $32,248). Via