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A BELLE EPOQUE COLORED DIAMOND BROOCH. Centring upon a pear-shaped yellow diamond and diamond, set within an old European and single-cut diamond openwork pierced plaque, enhanced by ribbon motifs, with a black onyx backing, mounted in platinum, circa 1910.

A BELLE EPOQUE COLORED DIAMOND BROOCH - Centering upon a pear-shaped yellow diamond and diamond, set within an old European and single-cut diamond openwork pierced plaque, enhanced by ribbon motifs, with a black onyx backing, mounted in platinum -

A Belle Époque diamond set brooch pendant, set overall with graduated old circular cut diamonds in a pierced platinum mount. Folding pendant loop. 5cm high.

A Belle Époque diamond set brooch pendant, set overall with graduated old circular cut diamonds in a pierced platinum mount.

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

NATURAL PEARL AND DIAMOND BROOCH/PENDANT, EARLY 20TH CENTURY Suspending an oval natural pearl measuring approximately 13.80 x 15.40 x 16.80mm, within a frame of circular- and single-cut diamonds, from a detachable surmount of garland design set with similarly cut and pear-shaped diamonds, brooch fitting detachable.

Natural pearl and diamond brooch/pendant, early century, Suspending an…

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 NATURAL PEARL AND DIAMOND PENDANT   Designed as a flat drop-shaped natural pearl weighing 19.34 carats suspended from a diamond-set bow plaque mounted with a central old-cut pear-shaped diamond, to the associated fine-link neckchain, pendant circa 1910, 3.8cm long, associated neckchain later, 45.0cm long

A BELLE EPOQUE NATURAL PEARL AND DIAMOND PENDANT. Designed as a flat drop-shaped natural pearl weighing carats suspended from a diamond-set bow plaque mounted with a central old-cut pear-shaped diamond, to the associated fine-link neckchain, pendant circa

18 KARAT GOLD, PLATINUM, COLORED STONE AND DIAMOND BROOCH, CARTIER, FRANCE - The fanciful flower arrangement set with four carved sapphire leaves accented by 24 cabochon emeralds, within a frame of black and red simulated lacquer, further set with old European and single-cut diamonds weighing approximately 2.35 carats, signed Cartier, circa 1930.

1930 cartier arved sapphire leaves accented by 24 cabochon emeralds, within a frame of black and red simulated lacquer, further set with old European and single-cut diamonds

Belle Epoque Pink Topaz & Diamond Pendant Brooch, ca 1900, with a cut-corner rectangular pink topaz in an openwork diamond scroll frame of quatrelobe form, suspending a pear shaped topaz & diamond cluster from two articulated diamond lines, millegrain set in platinum & gold. Length 6cms / 2 3/8''.

Belle Epoque Pink Topaz & Diamond Pendant Brooch, ca with a cut-corner…

A Belle Époque emerald and diamond necklace, circa 1905. The central ribbon bow suspending two pendants of unequal length, each terminating in a large emerald drop with rose-cut diamond cap, on a fine chain, spectacle-set with old brilliant-cut diamonds, mounted in platinum, emeralds approximately 36.00 carats total, necklace length 55.0cm. #BelleEpoque #necklace

A Belle Époque emerald and diamond necklace, circa The central ribbon bow suspending

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