A beautiful solid black opal and diamond dress ring, platinum, crafted as a modern wide pear shape cluster dress ring, featuring a central solid piece of black opal, strong blocked spectral colours throughout, of various display, green, blue, orange and yellow, measuring 12.8 x 12 mm, weighing approximately 4.00ct, claw set in an open backed mount, framed by an elaborate surround of brilliant and baguette cut diamonds, detailed by a single pear cut at point, totalling approximately 1.20ct, shoulders also, diamond set, merging to a smooth band.