Opalized Wood Specimen 860.0 carats (172.2 grams)Virgin Valley, Nevada A classic specimen of jelly opal, with bark texture on three sides, the fou...

White Opal Specimen with multi-color fireCoober Pedy, AustraliaFrom an old collection, now deaccessioned by a museum, this palm-sized specimen ca...

Opal, Gold and Diamond Detachable Brooch/Pendant--'The Spider in the Web'A unique and novel design created by a Sydney goldsmith: the spider brooc...

Classic Black Opal with Blue-Green FireLightning Ridge, New South Wales, Australia A classic, true black 'nobby' opal (i.e. an opal originally for...

Rare Natural Black Nevada Opal--'The Galaxy Teardrop of Virgin Valley'Royal Peacock Mine, Virgin Valley, Humboldt County, NevadaFound in Nevada, S...

Suite of Black Opal, Fancy Colored Diamond and Diamond Convertible JewelryComprising a pendant necklace, set with a pear-shaped black opal, weighi...

Boulder Opal and Gold Vermeil Box by Konstantin Libman--'Medusa'Formed of flat polished panels of fine quality Queensland, Australia boulder opal,...

Boulder Opal Intarsia Box by Konstantin LibmanConsisting of polished panels of Queensland, Australia boulder opal, intricately inlaid to create a ...

Suite of Pink OpalsAndes Mountains, Peru Consisting of twenty oval cabochons of pink hue having good translucency, suitable for mounting as a neck...

Black Opal and Diamond RingLightning Ridge, New South Wales, Australia Centering on a tablet-shaped black opal with extensive blue-green play-of-c...

Black Opal, Ruby and Diamond RingLightning Ridge, New South Wales, AustraliaThis stylish ring centers on a large black opal with pinfire play-of-c...

Black Opal and Platinum RingLightning Ridge, New South Wales, Australia Centering on an oval cabochon black opal with excellent blue green play-of...

Black Opal and Diamond RingLightning Ridge, New South Wales, Australia Centering on an oval cabochon black opal with blue-green play-of-fire, weig...

Opalized ClamshellCorcoran Field, Lightning Ridge, New South Wales, Australia Vivid electric blue and green to the face, this pretty opalized clam...

Pair of Jelly Opal Ear pendantsJalisco, Mexico Each pear-shaped drop mounted in white gold, suspended from a shepherd's hook earwire. Weighing ap...

Rich Orange Fire OpalMagdalena, MexicoAn attractive, oval-cut brilliant reddish orange fire opal from the volcanic region of Mexico. Weighing app...

Bright Orange Fire OpalBrazil A vivid orange opal with excellent clarity, faceted as a pear-shape, suitable for mounting as a pendant. Weighing a...

Firey Crystal OpalEthiopia This pear-shaped cabochon displays exceptional fire, predominating in red hues with flecks of green and orange with in...

Fire OpalMexicoAn attractive oval-cut faceted fire opal from the premier volcanic region of Mexico, having vivid orange hue and excellent transluc...

Chocolate' OpalWelo, Ethiopia A well-formed oval cabochon with a high dome which displays a rich, dark chocolate to root beer body color and shows...

Conch PearlStrombus gigasCaribbean Seaof slightly flattened ovoid form with a rich pink color and excellent flame pattern iridescence. Weighing a...

Conch PearlStrombus gigasCaribbean Sea A baroque conch pearl of baby pink hue with excellent porcellanous surface flame pattern iridescence. Weig...

Pair of Conch PearlsStrombus gigas or Queen ConchCaribbean Sea Two fine conch pearls of ovoid-form having excellent luster and flame pattern iride...

Two Cultured PearlsTwo near-spherical white cultured pearls: the first, weighing approximately 24.32 carats and measuring 15.20 x 14.90mm; the sec...

Golden Cultured PearlSouth Pacific A near-spherical golden pearl, undrilled. Weighing approximately 16.28 carats. Diameter 13.20 mm Lot to be sol...

Pair of Golden PearlsSouth Pacific Two near-spherical light yellow pearls weighing approximately 5.45 carats and measuring 9.15 mm and 5.37 carats...

Baroque Cultured PearlSouth Pacific A large baroque pearl of impressive size, undrilled. Weighing approximately 49.05 carats and measuring 20.85 x...

Large Baroque Cultured PearlSouth Seas A large baroque white pearl suitable for mounting. Weighing approximately 42.09 carats and measuring 20.4...

Two Small Conch PearlsStrombus gigasCaribbean Sea Two baroque conch pearls each having deep rose pink color with excellent flame pattern iridescen...

Suite of PeridotsPakistan A well-matched suite of bright green stones, suitable for mounting as a necklace and earrings, comprising thirty-five ov...

PeridotPakistan A fine cushion-shape peridot having a rich saturation of color, unmodified by yellow as is the case with so many peridots. Weighi...

PeridotPakistan A fine, triangular-shaped peridot having a rich green hue with minimal yellow. Weighing approximately 5.9 carats and measuring 1...

Peridot Bead NecklaceComprising three strands of polished free-form peridot beads from Pakistan, weighing approximately 895.0 carats total, comple...

Rare Cat's Eye PeridotBurma A large oval cabochon yellowish-green peridot having an excellent degree of transparency with a high dome and polished...

Pair of Amethyst Geode Cross-section 'Rings' on StandsBrazil Two thick slices of luminous amethyst which beautifully refract light and draw attent...

Amethyst--'A Member of the 100 Carats Club'Brazil This sizeable pear-shaped amethyst is beautifully saturated with a strong reddish violet hue. It...

Rich Violet AmethystBrazilA fine amethyst possessing a rich violet hue with hints of red, beautifully displayed in a plump cushion-cut stone. Wei...

Citrine Leaf-form CarvingBrazil Of rich, slightly orangey-yellow hue, this fine carving has exceptional clarity and would be suitable for mounting...

Green Amethyst Bead Necklace--'Prasiolite'Brazil A single-strand necklace of nineteen large green amethyst beads, faceted with broad simple facets...

American Amethyst by Jay MediciHallelujah Junction, NevadaThis fine triangular-cut amethyst, with its expertly faceted girdle, originates from a c...

Stunning Violet Amethyst--'A Member of the 100 Carats Club'Brazil With a fancy-cut comprising a traditionally faceted crown and an incised pavilio...

Fantasy-cut Amethyst--'A Member of the 100 Carats Club'Brazil A large stone of triangular outline with stepped incised lines creating an unusual p...

Two Amethyst Carved Birds on a Yellow Fluorite Base by Manfred WildCirca 1981Idar-Oberstein, Germany The eyes formed of onyx, the beak of red agat...

Amethyst 'Rose' with Custom StandBrazil A fine display amethyst specimen with radiating sprays of crystals of lavender hue, raised on a custom-des...

Amethyst Parrot on Tourmaline and Quartz base by Peter MuellerBrazil Peter Muller is a master craftsman. Using precious stones and fine minerals, ...

Amethyst Crystal PointMaraba, Brazil A single large hexagonal crystal point which shows a good termination that is well-defined. Strength of color...

Tall, Elegant Amethyst Geode 'Split'Ametista do Sul, RS, BrazilThis tall elegant pair of geodes, known as a 'cathedral' in the mineral hobby. The ...

Amethyst Geode 'Split'-- 'The Butterfly'Ametista do Sul, RS, BrazilAn impressive specimen displayed in a novel fashion: these two book-matched ame...

Fantasy-cut CitrineBrazilOf triangular outline, faceted as an isoceles triangle, having a traditionally faceted crown but with incised lines to th...

Fantasy-cut Amethyst--'A Member of the 100 Carats Club'Brazil A large, kite-shaped amethyst having a large, flat table facet and crown facets and ...

Fantasy-cut Amethyst--'A Member of the 100 Carats Club'Brazil Having a traditionally faceted crown, this large stunning oval-cut amethyst has been...

Amethyst Carving in the Shape of a RoseBrazilCarved on the face as a blossoming rose, the reverse side an oval cabochon. Weighing approximately ...

Rock Crystal Carving of a Horse on an Aventurine Quartz and Silver-Gilt BaseDesigned by Robert LualdiSwitzerlandHexagonal box made of aventurine a...

Aventurine Quartz Bowl with two rearing silver gilt horses also feature a suspended clockDesigned by Robert LualdiSwitzerland This oval bowl is ma...

Citrine Quartz SphereBrazilA natural citrine sphere, having rich golden hues, polished to reveal the high degree of clarity, particularly to one s...

Modern Style Hawk's Eye Box with Rolex Crown Emblem Russia This elegant dark hawk's eye quartz box is graced with a gold-washed Rolex crown emblem...

Hawk's Eye Quartz and White Agate Carving of a Bird on Spectrolite BaseIdar-Oberstein, Germany Bird carved of blue hawk's eye quartz with inset wh...

Three-piece Rock Crystal Quartz, Pink Tourmaline and Gold Decanter setCarved in Idar-Oberstein, GermanyExhibiting the highest level of fine German...

Rock Crystal Quartz and Gem-set Bonbonniere--'The Stork'Idar-Obertein, Germany Designed in the Renaissance Revival style in the form of a stork wi...

Rock Crystal Quartz with Epidote Needles Lapidary Creation--'The Arabian Palace'Designed by Robert LualdiSwitzerland An elegant crystal with epido...