Cartier

Rock Crystal and Diamond Pendant Locket, circa 1910Having a circular design of rock crystal centering a simple covered locket, with a row of rose-cut diamonds surrounding the locket and forming the border of the crystal, mounted in platinum, attached to a handmade platinum chain, measuring approx. 18 inches (45.72 cm).Signed and numbered

Emerald and Diamond Earrings

Each earring decorated with a square-cut emerald surrounded by 10 old mine-cut diamonds, suspended from a small old mine-cut diamond that is attached to a custom designed, hinged back that has a gold frame support, mounted in platinum-topped and 18K yellow gold.

Fine Art Nouveau Diamond and Emerald Pendant / Brooch

Centering an old mine-cut diamond, decorated at the top with an old mine-cut pear-shaped diamond, and suspending a free-hanging old mine-cut diamond, set with small diamonds in the borders, having a total weight of approx. 2.50 cts., with calibré-cut emerald accents in a triple- lobed design, mounted in platinum-topped 18K yellow gold.Numbered and with French hallmarks

Diamond Bracelet

Flexible, set with a row of 51 round, brilliant-cut diamonds having a total weight of approx. 3.50 cts., mounted in 18K white gold and measuring approx. 7 inches (17.75 cm).

Vever, Paris

Fine and Unusual Art Nouveau Ruby and Diamond BroochHaving an open frame, stylized wreath design, centering a free-hanging oval-shaped, faceted ruby flanked by 2 curved rows of old mine-cut diamonds topped with an old mine-cut diamond, suspended from a pair of pear-shaped, faceted rubies and diamonds, the lower portion decorated with 6 rectangular-shaped, cushion-cut rubies that slightly taper in size, with old mine- and small rose-cut diamonds between the rubies and in the borders, mounted in platinum and 18K yellow gold.Signed

J.E. Caldwell & Co.

Heart-shaped Diamond Locket / BroochHaving a domed design, pavé-set with old European-cut diamonds that have a total weight of approx. 6.50 cts., the back having a fitted glass cover which is detachable, along with the brooch attachment, revealing a hidden pendant loop, mounted in platinum-topped 14K yellow gold.Signed

Diamond Heart Pendant

Pavé-set with round, brilliant-cut diamonds having a total weight of approx. 1.65 cts., with a diamond-set bail, mounted in silver-topped 14K gold.

Antique Diamond Heart Pendant, circa 1860

Pavé-set with old mine-cut diamonds, the back containing a lock of hair, with 3 small diamonds in the bail, mounted in silver-topped 14K yellow gold.

Platinum and Diamond Necklace

Having a repeated design of lozenge-shaped sections that alternate with small navette-shaped sections, each decorated with round, brilliant- and single-cut diamonds having a total weight of approx. 6 cts., mounted in platinum, measuring approx. 14 inches (35.56 cm).

Diamond Ring

Having a square central design set with 9 round, brilliant-cut diamonds, with old mine-, old European- and round, single-cut diamonds decorating the sides and shoulders and an additional straight baguette-cut diamond in each shoulder, having a total weight of approx. 2.80 cts., mounted in platinum.

Art Deco Sapphire and Diamond Bar Brooch

Centrally set with 3 old European-cut diamonds, accented with 4 French baguette-cut sapphires with diamond-set flower heads, flanked by 12 French baguette-cut sapphires, mounted in platinum with a 14K yellow gold pin.Numbered

Very Fine Art Deco Diamond Ear Pendants

Each decorated with old mine-, old European- and rose-cut diamonds, having a total weight of approx. 2.80 cts., mounted in platinum.Accompanied by fitted leather box.

Black Starr & Frost, New York

Lady?s Diamond Pocket WatchCircular-shaped, open face with pavé-set old mine-cut and round, single-cut diamonds on the back cover and forming the border of the case, containing a Swiss, 18 jeweled, 7 adjustments, cut bimetallic balance, flat balance spring, Koehn movement made for Black Starr & Frost, mounted in platinum.Signed and numbered

Cartier, France

Fine Art Deco Diamond BraceletDesigned from 10 circular links, each set with old European-cut diamonds, separated by 10 bezel-set old European-cut diamonds having a total weight of approx. 5 cts., measuring approx. 7 1/2 inches (19.05 cm).Signed

Lalique

Unusual Plaque PendantHaving a rectangular-shaped, opalescent mold-blown glass scene depicting a group of robed figures with gold faces, within a frame of rose-cut diamonds, the frame accented on each side with a double rose-cut diamond, the diamond at the base suspending a natural pearl drop, mounted in silver-topped, 18K yellow gold.Signed and with French hallmarkAccompanied by original fitted box

Cultured Pearl and Diamond Brooch

Having a flower design with 5 freshwater pearl petals surrounding a center of 6 round, brilliant-cut diamonds having a total weight of approx. 1.20 cts. with 11 baguette-cut diamonds in the stem having a total weight of approx. 1.50 cts., mounted in 18K white gold.With maker?s mark

Elegant Art Deco Emerald and Diamond Bracelet

Having an articulated repeated design with three sections, each centering an emerald-cut diamond, weighing approx. 0.75 ct. or approx. 2.25 cts. for all 3, flanked by kite-shaped Colombian emeralds and decorated with old European and round, single-cut diamonds having a total weight of approx. 5.75 cts., mounted in platinum, measuring approx. 6 3/4 inches (17.2 cm).Numbered

Cartier, Paris

Art Deco Diamond and Enamel Cigarette LighterHaving a rectangular shape in black enamel with rose-cut diamonds in geometrically designed borders (several diamonds are missing), in platinum and 18K yellow gold, weighing approx. 55 grams and measuring approx. 45 mm x 33 mm x 12 mm.Signed, numbered, with French hallmarks and maker?s mark

LaCloche Frérès

Exquisite Art Deco Diamond, Onyx and Enamel Lapel WatchHaving a rectangular-shaped case of black onyx (contains several hair line age cracks) and black enameled sides, with a border of round, single-cut diamonds, centrally set with a design of platinum and rose-cut diamonds, attached to a diamond-set geometric design, held by a black cord decorated with a barrel-shaped black onyx and diamond slide to the geometrically designed diamond-set brooch, mounted in platinum.Signed, numbered and with French hallmarksWith original fitted leather box signed, LaCloche Frérès

Tiffany

Diamond Bracelet WatchFlexible, designed from 44 rows of square emerald-cut diamonds forming the bracelet, plus 6 additional diamonds in the catch, having a total weight of approx. 13.50 cts., with a rectangular-shaped watch containing an Audemars Piguet movement with a back winder, mounted in platinum, measuring approx. 6 1/4 inches (15.8 cm).Signed