Explore Jade Jewelry, Art Deco Jewelry, and more!

An opal and diamond ring centering an oval-shaped black opal, weighing 11.53 carats, within a round brilliant-cut diamond surround; estimated total diamond weight: 1.90 carats; mounted in eighteen karat white gold.

An opal and diamond ring centering an oval-shaped black opal, weighing carats, within a round brilliant-cut diamond surround; mounted in eighteen karat white gold.

Elegant & unusual

A belle epoque sapphire and diamond pendant The central millegrain-set cushion-shaped sapphire with old brilliant-cut diamond border mounted in a calibré sapphire openwork key pattern design panel with diamond collet points to a matching calibré sapphir

#Emerald and pearl #Cartier brooch, Paris, 2012 l The Al Thani Collection l Victoria and Albert Museum #bejewelledtreasures

Shoulder Brooch Maker: Cartier (French, founded Paris, Object Name: Brooch Date: pendant tassel re-created from original records by Cartier workshops, Paris, 201

Gold and pearl diamond 1905

Belle Epoque Platinum, Gold, Conch Pearl and Diamond Lavaliere Suspending one oval conch pearl an openwork garland motif, set throughout with old European-cut diamonds, circa delicate platinum chain. Doyle New York.

A BELLE EPOQUE GEM-SET  ENAMEL BROOCH  Designed as an independently-set pear-shaped cabochon opal, within an openwork old European-cut diamond surround, enhanced by green enamel paisleys, each centering upon an old European-cut diamond  single-cut emerald foliate motif, from a navette-shaped old European-cut diamond plaque, centering upon an oval cabochon opal, accented by cabochon emeralds, mounted in platinum, circa 1915.

A BELLE EPOQUE GEM-SET ENAMEL BROOCH Designed as an independently-set pear-shaped cabochon opal, within an openwork old European-cut diamond surround, enhanced by green enamel paisleys, each centering upon an old European-cut diamond single-cut emerald

AN ART DECO EMERALD AND DIAMOND BROOCH. The central octagonal emerald within an onyx and diamond surround to the openwork rectangular panel and diamond fringe with cabochon sapphire and ruby floral detail and onyx terminals, circa 1925.♥≻★≺♥

AN ART DECO EMERALD AND DIAMOND BROOCH. The central octagonal emerald within an onyx and diamond surround to the openwork rectangular panel and diamond fringe with cabochon sapphire and ruby floral detail and onyx terminals, circa by chrystal

Pendant Brooch  retailed by Cowell and Hubbard Co. (American, b. )    Date: 1925-1930    Medium: platinum, diamonds, and emeralds

Pendant Brooch retailed by Cowell and Hubbard Co. ) Date: Medium: platinum, diamonds, and emeralds ~ETS

Early Art Deco openwork diamond and onyx corsage brooch, c.1920, of geometric design formed by two graduated kite motifs, millegrain set with lines of diamonds and inset with onyx sections, the smaller kite hung below on two detachable lines of articulated collet diamonds, the whole suspending a polished pear shaped onyx inset with a round brilliant cut diamond.

Early Art Deco openwork diamond and onyx corsage brooch, of geometric design formed by two graduated kite motifs, millegrain set with lines of diamonds and inset with onyx sections, the smaller kite hung below on two detachable lines of articulated

Art deco ring:  An oval Burma ruby weighing approximately 3.12 carats, is surrounded by single cut diamonds in a geometric platinum mounting.

Platinum Burma Ruby and Diamond Deco Ring. An oval Burma ruby weighing approximately carats, with accompanying GIA report stating that there are no indications of heat treatment, is surrounded by single cut diamonds in a geometric platinum mounting.

Amethyst and Diamond Brooch/Pendant by Tiffany & Company (1890)

Amethyst and diamond brooch/pendant, Tiffany & Co, circa In the Louis XVI revival taste, the surmount centering on a cabochon amethyst within an acanthus scroll surround set with circular cut diamonds, suspending an amethyst drop to a diamond set cap.

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