Very Fine Black Opal from Lightning Ridge, Australia. Vivid and very "present", this fine gem opal displays predominantly red play-of-color with spectral broad flashes of green, orange, yellow and blue, with true black potch to the reverse of the oval cabochon. This is as fine a stone for the serious collector as can be desired. Weighing approximately 10.39 carats and measuring 16.5 x 13.0 x 6.5mm Estimate: US$ 60,000 - 80,000 (£39,000 - 52,000/€46,000 - 62,000)
Black Opal is Australia’s national gemstone, and black opal is the rarest and most valuable of its kind, at times selling at prices that rival the best diamonds. The stone must have a rich, black background, but base colors come in all shades of gray, which is why opinions vary on what is a “true” black opal. Found in the Lightning Ridge area in northwestern New South Wales, black opals are natural, solid stones that absorb scattered white light, giving it brilliant spectral c
Black Oval Cabochon Opal Lightning Ridge, New South Wales, Australia Even within the category of black opals, some are more sought-after than others. The present stone is such a piece—surpassed by few other opals in terms of its vibrancy of color—a true 5/5 for vividness and presence of color. Distinctive also is its "flagstone" pattern play-of-color: dominated by broad patches of electric blue, purple, green and orange at the edges and centering on a "windmill" pattern of fiery red…
A pair of art deco black opal and diamond pendent earrings, circa 1925 Each claw mounted drop-shaped black opal, suspended from an articulated surmount composed of collet mounted old brilliant-cut diamonds spaced by two millegrain-set single-cut diamond sections, length 4.4cm., cased by Hardy Bros. Ltd., Australia
Classic Black Crystal Opal Lightning Ridge, New South Wales, Australia This fine and plump double-cabochon black crystal opal is the ideally suited to be mounted as a ring. A five out of five in terms of vividness and presence of color, the gem abounds in vibrant green, blue, orange and hints of yellow, unpolished to the reverse side.
Unique/ Classic Black Opal Lightning Ridge, Australia This unique and unusual cabochon of true black opal has been fashioned by the gem cutter in a lozenge-shaped outline. The body color is a true black, w/vibrant & vivid play-of-color in blues & greens, characteristic for the region