The Rainbow | Men's 12.64ct Bull Creek Boulder Opal Ring in 14kt Gold

Introducing "The Rainbow," Our Premier Men's Bull Creek Boulder Opal Ring The Stone: Natural Black Boulder Opal, solid carat weight: 12.64 carats origin: Bull Creek, Perth, Western Australia brightness of color: 5+ of 5 darkness of bodycolor: 2 of 5 stone measurements: 24.90mm x 10.07mm x 4.59mm oval cabochon cut black manganese boulder matrix The Setting: Cast Two-Tone Bezel Set Solitaire Men's Ring two-tone 14kt white and yellow gold, solid yellow gold bezel and shank white gold "V" highlights North-South stone orientation top of ring width: 25.76mm (1.00 inch) bottom of shank width: 4.6mm (0.2 inch) European shank ring weight: 18.39 grams default size: 10.50   More About "The Rainbow:" Australian black boulder opal that vividly displays all colors of the spectrum.  While the piece especially pops in direct bright light, play of color can even be seen in low-light conditions.  Boulder opal is the more durable of opal varieties.  This particular stone is part of a new fin