11 juillet 2017

A black opal, demantoid garnet and sapphire pendant necklace, by Louis Comfort Tiffany, Tiffany & Co

Lot 128. A black opal, demantoid garnet and sapphire pendant necklace, by Louis Comfort Tiffany, Tiffany & Co. Estimate USD 20,000 - USD 30,000. Price realised USD 93,750. © Christie's Images Ltd 2017 Suspending an oval black opal cabochon, within a sculpted gold grapevine surround, enhanced by circular-cut demantoid garnets and sapphires, to the double-strand finelink neckchain, set with links of similar motif, with gold grapevine detail at reverse of pendant, circa 1910, 23 1/2 ins.,... [Lire la suite]

11 juillet 2017

A black opal, demantoid garnet, sapphire and enamel necklace, by Louis Comfort Tiffany, Tiffany & Co

Lot 184. A black opal, demantoid garnet, sapphire and enamel necklace, by Louis Comfort Tiffany, Tiffany & Co. Estimate: USD 90,000 - USD 120,000. Price realised USD 118,750. © Christie's Images Ltd 2017 Suspending a drop black opal cabochon pendant, within a textured gold foliate mount, to the black opal cabochon surmount, within a circular-cut demantoid garnet, sapphire and gold bead scroll, enhanced by a circular-cut demantoid garnet floret, the reverse of green, blue and orange... [Lire la suite]
14 novembre 2015

Rare Black Opal--"Mackerel or Ribbon Pattern", Lightning Ridge, New South Wales, Australia

Rare Black Opal, "Mackerel or Ribbon Pattern", Lightning Ridge, New South Wales, Australia. Estimate US$ 40,000 - 50,000 '€37,000 - 46,000). Photo Bonhams. A beautiful opal either by night or day, the present stone is particularly notable for its mackerel pattern, the name for the ribbon pattern of opalization which is so sought-after by knowledgeable opal collectors. Displaying extensive orange ribbons with some flashes of red, when the stone is rotated, iridescent green flashes abound, intermingled with some... [Lire la suite]
13 novembre 2015

Spectacular Black Opal, Corcoran Opal Field, Lightning Ridge, Australia

Spectacular Black Opal, Corcoran Opal Field, Lightning Ridge, Australia. Estimate US$ 40,000 - 50,000 '€37,000 - 46,000). Photo Bonhams. A classic for the region, predominating in firey reds and full vividness of its multi-color play-of-color. This gem possess true black potch as well as some play-of-color to the reverse side as well. Weighing approximately 8.14 carats and measuring 18.98 x 12.83 x 5.08mm Bonhams. THE WORLD OF OPALS, 23 Nov 2015 15:00 PST - LOS ANGELES
Posté par Alain Truong à 23:58 - - Commentaires [0] - Permalien [#]
Tags : , , ,
13 novembre 2015

Spectacular Black Opal, Lightning Ridge, New South Wales, Australia

Spectacular Black Opal, Lightning Ridge, New South Wales, Australia. Estimate US$ 50,000 - 70,000 (€46,000 - 65,000). Photo Bonhams. A thick, plump and delectable specimen of opal fashioned as a high-domed cabochon. Dominated by reddish-orange flashes of color, interspersed with electric blue and purple and splashes of green. With some play-of-color on the reverse, the stone retains some semi-black potch to the reverse as well which enhances the vibrancy of the colors.Weighing approximately 47.15 carats and measuring... [Lire la suite]
Posté par Alain Truong à 23:44 - - Commentaires [0] - Permalien [#]
Tags : , , ,
13 novembre 2015

Guinness Book of World Records: Largest Recorded Black Opal Specime. "The Sea of Opal"

Guinness Book of World Records: Largest Recorded Black Opal Specimen--"The Sea of Opal", Joe's Run, Grawin Field, near Lightning Ridge, New South Wales, Australia. Carved and polished by Christine Rousel. Estimate US$ 150,000 - 250,000 (€140,000 - 230,000). Photo Bonhams. Found over 10 years ago in Grawin Field, the present specimen of seam opal was left as close as possible to the natural state in which it was found. Cut and polished by the artist who was then Australia's foremost opal carver, the late... [Lire la suite]

13 novembre 2015

Premier American collection
of twelve lightning ridge black opals, Lightning Ridge, New South Wales, Australia

Premier American collection
of twelve lightning ridge black opals, Lightning Ridge, New South Wales, Australia . Estimate US$ 600,000 - 800,000 (€560,000 - 740,000). Photo Bonhams. Comprising a free-form black opal, weighing approximately 11.07 carats; an oval black opal, weighing approximately 12.12 carats; an oval black opal, weighing approximately 13.0 carats; a free-form semi-black, weighing approximately 14.0 carats; a free-form black opal, weighing approximately 14.12 carats, an oval black opal, weighing... [Lire la suite]
Posté par Alain Truong à 23:31 - - Commentaires [0] - Permalien [#]
Tags : , , ,
24 août 2015

Titanium quartz, Black Opal, Tourmaline Var Rubellite, Cerussite with Malachite Inclusions

Titanium quartz. Very large black opal carving from Lightning Ridge, Australia Rolling flashes green and blue. Tourmaline Var Rubellite, Malkhan Pegmatite Field, Krasnyi Chikoy, Eastern Siberia, Russian Federation. Cerussite with Malachite Inclusions, Namibia. Liddicoatite - "The Hat", Tamponilapa, Sahatany Valley, Vakinankaratra Region, Antananarivo Province, Madagascar.
10 juillet 2015

Chopard. Fleur d’Opales Capsule Collection

Chopard. Fleur d’Opales ring, 24.3ct black opal, tsavorites garnets-set pistils, petals set with purple sapphires and amethysts. Chopard. Fleur d’Opales ring, oval 20ct opal, diamond-set pistils, petals set with tsavorites, lazulites and brown diamonds. Chopard. Fleur d’Opales ring, oval 9ct black opal, rubies and purple sapphires-set pistils, petals set with pink spinels. Inspired by enchantment and exalted by the artistic crafts... [Lire la suite]
02 juillet 2014

Beautiful rings at Symbolic & Chase

SABBA. A BLACK OPAL AND EMERALD RING. Price:£30,000. Copyright 2013 - Symbolic & Chase. A YELLOW GOLD AND DIAMOND RING.. Copyright 2013 - Symbolic & Chase. Of Modernist design, the arching sculpted shoulders centring on a fluted gold section embellshed with a brilliant- and single-cut diamond sphere, circa 1940, French assay marks for gold. Price:£4,000 AN ART DECO RUBY AND DIAMOND RING. Copyright 2013 - Symbolic & Chase. Of Art Deco design, centring on a bombé demi-lune of invisibly-set calibré-cut... [Lire la suite]