The Opal Collection No 2. Black Fire Opal on a dainty hand ring, diamond in the middle 2 opal hearts on either side, this is situated as an engagement ring. The opal is also the birthstone for the month of October. It is a beautiful and precious stone some colors more rare than others. If you would like to purchase this ring as other than an engagement ring Please feel free to make a request. If you would like other changes for example the colors of the stones to the side, there may be a nominal fee.