The World of Gold, Opals and Other Phenomenal Gems

Bonhams London, Los Angeles 7601 W. Sunset Boulevard Los Angeles CA 90046 Tel: +1 323 850 7500 Fax : +1 323 850 6090 info.us@bonhams.com

Date of the auction: 20.05.2019

Lot number 711Y
Opal, Diamond and Cultured Pearl Necklace

Centering on a large oval cabochon crystal opal from Ethiopia, weighing approximately 18.63 carats...

Bonhams London, 20 May 2019
Estimate
US$4,000 - US$6,000
Price realised:
n. a.
Lot number 719
Opal, Gold and Diamond Detachable Brooch/Pendant--"The Spider in the Web"

A unique and novel design created by a Sydney goldsmith: the spider brooch is formed from a...

Bonhams London, 20 May 2019
Estimate
US$12,000 - US$15,000
Price realised:
n. a.
Lot number 687
Opalized Clam Shell

Coober Pedy, South Australia This lovely specimen displays all the right gem-quality characteristics...

Bonhams London, 20 May 2019
Estimate
US$200 - US$400
Price realised:
US$255
Lot number 733
Opalized Tree Branch

Banten, Java, Indonesia Having a rich black and brown body color, with some brown and pink to the...

Bonhams London, 20 May 2019
Estimate
US$1,200 - US$1,500
Price realised:
US$382
Lot number 731
Opalized Wood Specimen

Virgin Valley, Humboldt County, Nevada Virgin Valley opals are predominantly limb casts embedded in...

Bonhams London, 20 May 2019
Estimate
US$800 - US$1,200
Price realised:
US$535
Lot number 739
Oregon Opal Egg-form Carving

Opal Butte, Oregon Smooth polished to reveal the milky white and orange opalization in the brown...

Bonhams London, 20 May 2019
Estimate
US$500 - US$700
Price realised:
US$127
Lot number 740
Oregon Opal-in-Matrix Egg-form Carving

Opal Butte, Oregon Similar to the previous lot but having an even larger area of luminescent, milky...

Bonhams London, 20 May 2019
Estimate
US$600 - US$800
Price realised:
n. a.
Lot number 669
Pair of "Yowah" Nut Cabochons

Yowah, Queensland, Australia Most likely cut from the same rough, each with rich, dark ironstone...

Bonhams London, 20 May 2019
Estimate
US$400 - US$600
Price realised:
US$280
Lot number 684
Pair of Black Opal Drops

Lightning Ridge, New South Wales, Australia Suitable for mounting as earrings, this is a pair of...

Bonhams London, 20 May 2019
Estimate
US$2,000 - US$3,000
Price realised:
US$2,805
Lot number 655
Pair of Black Opals with Pseudo Cat's Eye Effect and Chinese Writing Pattern

Lightning Ridge, New South Wales, Australia Each oval cabochon, a solid black opal with a rolling...

Bonhams London, 20 May 2019
Estimate
US$4,000 - US$5,000
Price realised:
n. a.
Lot number 668
Pair of Boulder Opal Cabochons with "Sanskrit" Writing

Yowah, Queensland, Australia Each of oval outline, with brown-ochre matrix, having a vibrant seam of...

Bonhams London, 20 May 2019
Estimate
US$400 - US$600
Price realised:
US$280
Lot number 712
Pair of Boulder Opals

Australia Each oval cabochon is contour polished to reveal a thick seam of opalization on a brown...

Bonhams London, 20 May 2019
Estimate
US$2,000 - US$3,000
Price realised:
n. a.
Lot number 729
Pair of Crystal Opal Bead Earrings

Ethiopia Each comprised of multiple polished beads of crystal opal having a transparent or light...

Bonhams London, 20 May 2019
Estimate
US$700 - US$1,000
Price realised:
n. a.
Lot number 748
Pair of Drop-shaped Blue Opals

Andes Mountains, Peru This elegant, elongated pair of drop-shaped cabochons have been carved from...

Bonhams London, 20 May 2019
Estimate
US$1,000 - US$1,500
Price realised:
n. a.
Lot number 771
Pair of Moonstone "Grape Cluster" Earpendants

Each composed of a cluster of polished moonstone drops, having excellent blue adularescence...

Bonhams London, 20 May 2019
Estimate
US$1,000 - US$1,500
Price realised:
n. a.
Lot number 770
Pair of Moonstone Cabochons

Tanzania Each of pear-shaped outline, having excellent blue adularescence, suitable for mounting as...

Bonhams London, 20 May 2019
Estimate
US$300 - US$500
Price realised:
n. a.
Lot number 769
Pair of Rainbow Moonstone Cabochons

Two circular cabochons, weighing 3.18 and 4.04 carats and each measuring 9.0mm in diameter...

Bonhams London, 20 May 2019
Estimate
US$300 - US$500
Price realised:
n. a.
Lot number 756
Pair of Trapiche Emerald and Diamond Earrings

Each composed of an oval cabochon trapiche emerald of rich bluish-green, prong set, mounted in 18K...

Bonhams London, 20 May 2019
Estimate
US$1,500 - US$2,000
Price realised:
US$2,040
Lot number 609
Pair of Yellow Beryl Cat's Eye Cabochons

Brazil A well-matched pair of oval cabochons, each having a bright, golden yellow hue and strong...

Bonhams London, 20 May 2019
Estimate
US$1,500 - US$2,000
Price realised:
US$1,275
Lot number 749
Pink Opal and Red Garnet Earrings

Andes Mountains, Peru Carved in Idar-Oberstein, Germany by Hermann Grimm Each centering on a...

Bonhams London, 20 May 2019
Estimate
US$300 - US$400
Price realised:
n. a.
Lot number 750
Pink Opal Bead Necklace

Andes Mountains, Peru Comprising twenty-seven free-form tumbled pink opal beads, graduated in size...

Bonhams London, 20 May 2019
Estimate
US$1,500 - US$2,000
Price realised:
n. a.
Lot number 640
Placer Gold Nugget

Yukon Territories, Canada A rich yellow nugget having great three-dimensionality and a buttery...

Bonhams London, 20 May 2019
Estimate
US$2,500 - US$3,000
Price realised:
US$2,805
Lot number 778
Rainbow Obsidian Carving Depicting a Butterfly

Jalisco, Mexico Contour polished in such a way that successive layers or bands of color inherent in...

Bonhams London, 20 May 2019
Estimate
US$1,200 - US$1,500
Price realised:
n. a.
Lot number 760
Rare "Bloodshot" Iolite

Yemen Bloodshote Iolite is a mixed gemstone of purplish-blue colored Iolite and red-colored...

Bonhams London, 20 May 2019
Estimate
US$500 - US$700
Price realised:
US$510
Lot number 658
Rare Black Opal--"Mackerel or Ribbon Pattern"

Lightning Ridge, New South Wales, Australia A beautiful opal either by night or day, the present...

Bonhams London, 20 May 2019
Estimate
US$30,000 - US$50,000
Price realised:
n. a.
Lot number 761
Rare Cat's Eye Demantoid Garnet from a Rare Locality

Kerman Province, Iran Demantoid garnet is one of the most valuable members of the garnet...

Bonhams London, 20 May 2019
Estimate
US$1,500 - US$2,000
Price realised:
US$1,657
Lot number 611
Rare Cat's Eye Moonstone

Burma A large and beautifully, polished circular cabochon of moonstone. It possesses a distinct and...

Bonhams London, 20 May 2019
Estimate
US$1,200 - US$1,500
Price realised:
US$6,325
Lot number 664
Rare Double-sided Black Picture Opal-- "Bush Fire Over the Mountain"

Lightning Ridge, New South Wales, Australia This is a large, thick and spectacular rectangular...

Bonhams London, 20 May 2019
Estimate
US$120,000 - US$150,000
Price realised:
n. a.
Lot number 613
Rare Double-star Blue Sapphire - A Published Gem

Sri Lanka Polished as an oval cabochon with a high dome, this sapphire of classic Sri Lankan...

Bonhams London, 20 May 2019
Estimate
US$5,000 - US$8,000
Price realised:
US$5,075
Lot number 615
Rare Gold-in-Quartz

Gympie, Queensland, Australia Weighing well over an ounce, this pretty specimen has value well...

Bonhams London, 20 May 2019
Estimate
US$700 - US$1,000
Price realised:
US$204
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