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 find, discovered in the Bull Creek Mining District of Western Australia during the year 2021.  The rough material was then cut in the end of December 2022.  This ring was made with over half of an ounce of 14kt gold and designed with a European style shank to prevent spinning.