Sapphire and Diamond Ring

Centering a large, cushion-shaped, faceted sapphire that weighs approx. 13 cts., with 10 old mine-cut diamonds, 5 per side, having a total weight of approx. 1.70 cts., mounted in platinum.

Rare and Unusual French Art Deco Pendant

In the Chinoiserie style depicting Buddha playing a stringed instrument, of red, blue and black glass, his chest adorned with a diamond-set platinum necklace, seated against a sky of carved blue-green glass; the scene is framed in platinum decorated with rose-cut diamonds, topped with old mine-cut diamonds, and suspending a free-hanging amazonite sphere capped with a round diamond.Numbered, with French hallmarks, and maker's mark

Fine Agate Cigarette Case, circa 1910

Brownish gray translucent agate decorated with a platinum clasp on the front and hinged on the back, with small diamond and black onyx accents, measuring approx. 88 mm x 55 mm x 14 mm.With French hallmarks

Art Nouveau Onyx and Diamond Pendant

Having a pear-shaped black onyx plaque decorated with an applied floral design with rose-cut diamond accents, attached to a black silk cord with a silk tassel at the base, in platinum and 18K yellow gold, measuring approx. 30 inches (76 cm).

Fine Art Deco Diamond, Coral and Onyx Brooch

Having a round, brilliant-cut diamond-set open geometric design centering an oval-shaped black onyx topped with a cabochon-cut coral, with 2 half-moon shaped coral designs each accented with a narrow band of onyx, the diamonds having a total weight of approx. 1.30 cts., mounted in platinum with a 14K white gold pin.

Interesting Antique Brooch, circa 1860, Slovakia

Designed as Neptune's trident, set with 3 natural pearls measuring from approx. 6.2 mm to 7.1 mm, a round, cabochon-cut sapphire and old mine-and rose-cut diamonds, in silver-topped 18K pink gold, having an 18K yellow gold "broken" handle.Numbered, with Slovakian hallmarks and maker's mark

Sapphire, Diamond and Natural Pearl Bracelet, circa 1900

Flexible, strap type, designed from 7 rows of seed pearls centering a cushion-shaped, facetedsapphire weighing approx. 4.75 cts., surrounded by a square frame of 14 old mine- and old European-cut diamonds, decorated with 3 small rectangular-shaped plaques each with a centerline of square French-cut sapphires flanked by 2 rows of small, round diamonds, mounted in platinum with an 18K white gold catch, measuring approx.6 1/2 inches (16.5 cm).

Enamel and Diamond Compact

Square-shaped of black enamel with canted green enameled corners, having a green enameled center framed by rose-cut diamonds, with a fitted mirror, in 14K yellow gold, weighing approx.81 grams and measuring approx. 53 mm x 53 mm x 13 mm.Signed

Antique Diamond Brooch, circa 1890

Having an open, slightly concave, filigree design centering an old mine-cut diamond with small rose-cut diamond accents, mounted in platinum with an 18K yellow gold pin.

Art Deco Jadeite Jade and Seed Pearl Sautoir

Twisted, triple strand of seed pearls, each side with a triple ring decoration carved from one pieceof jade, suspending a carved, pierced jade plaque depicting a Chinese goddess, the inside measuring approx. 27 inches (70 cm.) (several tiny hair line cracks in the jade).

Art Deco Jadeite Jade and Diamond Brooch

Centering a carved jade plaque bordered on both ends with old mine-cut diamonds, weighing approx. 3.75 cts., mounted in platinum topped 18K white gold with a 14K white gold pin.

Fine Gold and Enamel Box

Of rectangular shape, exquisitely engraved and decorated with fine blue translucent, champlevé enameling in an intricate foliate motif, in 18K yellow gold, weighing approx. 153 grams andmeasuring approx. 79 mm x 57 mm x 20 mm.

Citrine and Diamond Cuff Links

Each designed from a pyramidal-shaped, faceted citrine, the top of which is studded with a small round, brilliant-cut diamond, attached to a flexible chain and rigid bar back, mounted in 18K yellow gold.

Lapis Lazuli and Enamel Necklace with Bracelet

The necklace decorated with 4 rectangular-shaped, carved lapis lazuli plaques that alternate with6 open, rectangular-shaped sections decorated with blue, green, and red enameled floral designs within a black enameled frame, suspending a large, lapis lazuli drop carved with floral designs on both sides, the bracelet of similar design with 3 lapis lazuli plaques and 4 open enameled sections, in 14K yellow gold; the necklace measuring approx. 16 inches (40 cm), the bracelet measuring approx. 7 1/2 inches (19 cm).

René Boivin

Attractive Sapphire and Diamond Ring, ParisCentering an oval-shaped, faceted sapphire weighing approx. 4cts. flanked by 8 marquise-shaped, brilliant-cut diamonds, 4 per side, having a total weight of approx. 1.20 cts., within a wide, slightly tapering shank with raised edges, in 18K yellow gold.Signed and with French hallmarks

Fine Art Deco Diamond and Black Onyx Bracelet

Decorated with a centerline of 33 round and old European-cut diamonds that have a total weightof approx. 8.25 cts., each held in an octagonal box, bordered on each side with a row of small,rectangular-shaped black onyx, with fine engraving on the sides, mounted in platinum, measuring approx. 6 1/2 inches (16.7 cm).With French hallmark

Unusual Art Deco Aventurine, Diamond, Black Onyx and Black Enamel Pendant

Centering the Indian God Ganesh carved from aventurine quartz held within a black onyx and black enameled geometric designed frame, suspending a black onyx tassel (with several small blue beads), accented with small rose-cut and round diamonds, free-hanging from a round diamond-set hinged bail, mounted in platinum and 14K yellow gold.

Verger Frères, Paris

Elegant Art Deco Diamond, Black Onyx and Enamel Lapel WatchHaving a lozenge-shaped pin suspending a free-hanging, geometrically-shaped design terminating in an oval-shaped watch, all decorated with round, single-cut diamonds, black onyx and black enamel; the watch containing an oval-shaped, 18 jeweled, Breguet hairspring, 4 position adjusted, Swiss movement; in platinum with an 18K white gold catch.With maker's mark, French hallmarks and numbered

Art Deco Diamond Brooch

Centering a cushion-shaped old mine-cut diamond weighing approx. 1.60 cts., flanked by 2 triangular-shaped diamonds weighing approx. 0.80 cts. each, 2 straight baguette-cut diamonds weighing approx. 0.50 cts. each, with round, brilliant- and straight baguette-cut diamonds mounted in the frame and border, having a total weight of approx. 15 cts. for all 237 diamonds, mounted in platinum with an 18K yellow gold pin.With hallmarks and maker's mark

Solitaire Diamond Ring

Set with a round, brilliant-cut diamond weighing approx. 8.35 cts., mounted in 18K white gold.