Back to all Boulder opal split ring DFR-OPAL-35 A split personality, diamond or boulder opal? This way you can have both! POA Enquire about this piece Enquire about this piece Close Please enable JavaScript in your browser to complete this form.Name *Email Address *TelephoneMessageSend Message Send to a friend? Related Pieces Black opal with diamond run £6,725 Boulder opal and a marquise £3,125 Boulder opal set in rose gold Sold Opal with yellow and white gold £4,020