opal

Lot 55. A rare miniature carved opal bust of a Roman emperor, Presumably Italian, 17th century; 5.1 x 3.0 cm, weight 32.87 g. Estimate: €20,000 - €25,000. Courtesy Kunsthaus Lempertz Imperial Roman style bust carved in the round from white/mother-of-pearl coloured opal with blue and green opalescence. Depicting a Neoclassical portrait of a man with short curly hair wearing a lush laurel wreath fastened by a ribbon at the back. The rounded lower section of the bust carved to resemble a pleated chiton and himation... [Lire la suite]

Lot 51. 21.77 carats Crystal Opal with Multi-Color Fire, Lightning Ridge, New South Wales, Australia. Estimate US$ 35,000 - 45,000 (€ 35,000 - 44,000). © Bonhams A large oval cabochon crystal opal with slight potch to the underside having a rolling flash play-of-color dominated by bright reddish orange and a full array of hues. Weighing approximately 21.77 carats and measuring 26.5 x 16.3 x 7.5mm. Bonhams. The World of Gold, Opals and Other Phenomenal Gems, Los Angeles, 30 June 2020, 10:00 PDT

Lot 82. Art Nouveau opal, emerald, diamond and enamel pendant/brooch, Henri Vever. Estimate CHF10,000–15,000 ($10,000–15,000). © Christie's Images Ltd 2019. Cabochon and drop-shaped opals, fancy-cut emeralds, vari-cut diamonds, multi-coloured enamel, gold (French mark), circa 1900, pendant with detachable ftting for wear as a brooch, necklace 53.5 cm, pendant 6.6 cm, signed Vever, no. 2819, brooch ftting with maker's mark for Léon Gariod, brown Vever ftted case. Literature: Cf. V. Becker,... [Lire la suite]

  Lot 71. An Art Nouveau opal, enamel and pearl pendent necklace, by Georges Fouquet. Estimate CHF 120,000 - CHF 180,000 (USD 120,369 - USD 180,554). Price realised CHF 300,000. © Christie's Images Ltd 2017  Modelled as a rural landscape, the enamel river and trees underneath an opal sky, to the enamel foliate surround with seed pearl accents, suspending a baroque pearl, circa 1900, pendant 8.5 cm, chain 66.0 cm, with French assay marks for gold. Signed G. Fouquet, no. 10399 Please... [Lire la suite]

Lot 77. 18-karat gold, opal, sapphire and garnet brooch, Tiffany & Co., Designed by Louis Comfort Tiffany, circa 1920. Estimate $60,000–80,000. Photo: Sotheby's. Centering a round black opal measuring approximately 18.5 mm, within an openwork plaque set with numerous round sapphires, demantoid garnets and spessartite garnets, the reverse of the opal decorated with scrollwork flourishes, signed Tiffany & Co.; circa 1920. With signed box. Provenance: Sotheby's New York, Jewels From the... [Lire la suite]

Opals were first discovered at Coober Pedy -- widely-known as the opal capital of the world -- in 1914 by a boy named Willie Hutchison. Photo by Richard Lyons, courtesy South Australian Museum. SYDNEY.- An Australian museum said Monday it would exhibit what it believes is the best opal stone ever found -- a 6.0-centimetre (2.4 inch) multi-coloured gem unearthed in the Outback named the Virgin Rainbow. The South Australian Museum said the stone, valued at more than Aus$1.0 million (US$730,000), would go on public display... [Lire la suite]

A Fine Opal Carving, "The Pig," Gerd Dreher, Idar-Oberstein, Germany, 11.70 x 7.75 x 4.70 cm. Estimate $ 20,000-30,000. carved from an impressively large Brazilian opal nodule of even and richly saturated reddish orange color, the reclining pig is realistically depicted on a patch of rough ground, the skin intricately textured to suggest fine hair, the snout and ears fashioned to reveal the highly translucent and almost transparent gem quality of the opal, the eyes inset with hand painted details. Hand... [Lire la suite]

Stuart Hughes of Liverpool along with his partners in Australia have recently uncovered the world’s largest Opal matrix.It was found in the outback Opal Fields of South Australia.This precious stone weighs in at an amazing 55,000 carats.The stone is still in South Australia.The length is about 30cm, height varies from 15-20cm and its around 4cm thick.Set to go to auction in the UK valued at just over 1 million Dollars. More information will be soon following on www.stuarthughes.com

Gold, opal and enamel ring, Georges Fouquet, circa 1900-1910. Photo Sotheby's Set in the center with a fancy-shaped opal, within a frame of foliate design applied with bluish-green enamel, size 7, signed G. Fouquet, numbered 9730, maker's marks, French assay mark. Estimate 10,000 — 15,000 USD. LOT SOLD. 28,750 USD. Provenance: Formerly from the Collection of Mildred Anna Milton Williams, San Francisco. Note: For examples of other rings by Georges Fouquet from this period see Les Fouquet: Bijoutiers & Joailliers à Paris... [Lire la suite]

Opal, diamond and pink sapphire necklace. Photo courtesy Sotheby's. Of floral motif design, suspending on an articulated flower set with a jelly opal weighing approximately 9.20 carats, surrounded by circular-cut pink sapphires together weighing approximately 1.30 carats, to petals set with brilliant-cut diamonds, highlighted by a flower bud set with three fire opals together weighing approximately 1.40 carats, the necklace decorated with brilliant-cut diamonds of brown hue, supporting numerous oscillating pear-shaped rose-cut... [Lire la suite]