opal

Retro Gold, Platinum, Opal, Ruby and Diamond Clip Centering one oval opal approximately 16.00 cts., topped by a stylized looped bow edged by 8 round diamonds and accented by one ruby, with a diamond and ruby-set floret, the tubular ribbons tipped by 6 round rubies, circa 1940.
(#485) Opal ring, 'Egyptienne', René Boivin, 1970
Opal ring, 'Egyptienne', René Boivin, 1970 Collet-set with a cabochon opal, the bezel and shoulders decorated with beaded motifs, size L, signed René Boivin, French assay and maker's marks, case stamped René Boivin.
Georgian & Victorian Cameos – Antique Jewelry University
Schmidt-Helmeted Warrior (Minerva?) c. 1900, Opal
A Victorian opal cameo ring A Victorian opal cameo ring, the oval opal carved in the form of a bearded man with Roman helmet, measuring approximately 19.5 x 13.5 mm, rubover-set to a yellow gold mount with closed back, with tapered D-section shank, gross weight 12.6 grams, circa 1870
14kt Gold, Opal, and Gem-set Brooch Auction Number 2575B Lot Number 205 | Skinner Auctioneers
14kt Gold, Opal, and Gem-set Brooch | Sale Number 2575B, Lot Number 205 | Skinner Auctioneers
Sold at auction 14kt Gold, Carved Opal, Enamel, and Diamond Ring Auction Number 2487 Lot Number 421 | Skinner Auctioneers
14kt Gold, Carved Opal, Enamel, and Diamond Ring
A CABOCHON EMERALD, SAPPHIRE, PINK SAPPHIRE AND FIRE OPAL PENDANT NECKLACE, LOUIS COMFORT TIFFANY FOR TIFFANY & CO. | Christie's
A CABOCHON EMERALD, SAPPHIRE, PINK SAPPHIRE AND FIRE OPAL PENDANT NECKLACE, LOUIS COMFORT TIFFANY FOR TIFFANY & CO. the detachable drop-shaped pendant set with an oval cabochon emerald, within an oval and circular cabochon emerald, sapphire, pink sapphire, fire opal and gold beadwork frame, suspended by a gold oval link and beadwork chain to a bezel-set oval and circular cabochon emerald, sapphire, pink sapphire and fire opal chain, mounted in gold, circa 1918--36in. long signed Tiffany & Co.
(#444) Gold, Platinum, Tourmaline, Opal and Diamond Brooch, Tiffany & Co., Designed by Louis Comfort Tiffany with Meta Overbeck
Gold, Platinum, Tourmaline, Opal and Diamond Brooch, Tiffany & Co., Designed by Louis Comfort Tiffany with Meta Overbeck: The openwork circular design centering a round tourmaline, accented by round diamonds weighing approximately .30 carat, bordered by white opals, signed Tiffany & Co., scratch number 248, one opal missing; circa 1910.
14kt Gold, Opal, and Diamond Pendant/Brooch Auction Number 2302 Lot Number 216 | Skinner Auctioneers
14kt Gold, Opal, and Diamond Pendant/Brooch, prong-set with two pear-shape and two cabochon opals, full and single-cut diamond melee highlights, lg. 1 1/2 in. Art Nouveau or Art Nouveau style.
Rare bague opale, Années 1910 - Alain.R.Truong
Rare opal platinum ring, circa 1910. It features a central oval cabochon opal within a double circle of rose-cut diamonds and calibre-cut sapphires. It is accented by two stylized leaves of calibrate emeralds and two yellow diamonds.
Brooch | V&A Explore The Collections
Marcus & Co. - An Art Nouveau brooch, about 1900, New York. Enamelled gold set with opal. 3.6 x 4.2cm. #Marcus #ArtNouveau #brooch
Sold at auction Art Nouveau Black Opal and Diamond Pendant, The Brassler Company Auction Number 2370 Lot Number 418 | Skinner Auctioneers
Art Nouveau Black Opal and Diamond Pendant, The Brassler Company | Sale Number 2370, Lot Number 418 | Skinner Auctioneers
Art Nouveau gold, enamel, diamond, ruby, pearl and opal pendant necklace, by Philippe Wolfers, Belgium, circa 1902. The pendant depicting the goddess Nike.