Attractive Aquamarine, Black Onyx, and Diamond Ear Pendants

Having a geometric design, each decorated with an emerald-cut aquamarine weighing approx. 2.20 cts. within a frame of round, brilliant-cut diamonds, suspended by rectangular-shaped black onyx and diamonds, with a calibré-cut black onyx decoration at the base of each earring and 4 diamonds in each ear pad, mounted in platinum with 14K white gold posts.Accompanied by fitted leather box

Udall & Ballou

Art Deco Elegant Onyx, Emerald and Diamond BoxOf rectangular shape in black onyx, the top decorated with carved emerald leaves accented with round, single-cut diamonds, with diamond-set hinges and thumb tab, mounted in platinum, measuring approx. 103 mm x 73 mm x 16 mm. (slight chip next to hinge)

Exquisite Art Deco Jadeite Jade, Diamond, and Enamel Brooch

Having a pierced and carved jade center surrounded by old European- and round, single-cut diamonds, within a black onyx frame, with round diamond accents in the pointed ends, having a total weight of approx. 2.70 cts., mounted in platinum with an 18K white gold catch.

Art Deco Jadeite Jade Diamond and Seed Pearl Necklace

Designed from delicately woven seed pearls with 4 oval-shaped, pierced and carved jade plaques, suspending an elongated oval-shaped, pierced and carved jade pendant that has a floral design, accented with small round, brilliant- and rose-cut diamonds, mounted in platinum, measuring approx. 17 inches (43 cm).Accompanied by GIA (Gemological Institute of America) report #11186461 stating that the jade is jadeite, natural color.

Art Deco Onyx and Diamond Pendant Locket

The front decorated with rows of round, single-cut diamonds on black onyx, with ornately engraved designs on the back, which opens revealing a photo compartment, mounted in platinum with 18K white gold back.Numbered

Elegant Art Deco Lapel Watch / Wristwatch / Brooch

The watch having a tonneau-shaped platinum case decorated with a geometric floral motif in onyx, round single-cut diamonds and calibré, cabochon-cut sapphires, attached to a black ribbon, which converts to an adjustable wrist bracelet, suspended from a similarly designed platinum lapel pin which detaches and can be worn as a brooch; the watch contains a 17 jeweled, 3 ligne size, bimetallic balance, straight line lever escapement, flat balance spring, Swiss movement.Signed, numbered and with French hallmarks

Fine Art Deco Onyx and Diamond Lapel Watch

Having a rectangular-shaped case decorated with black onyx, old European- and single-cut diamonds, suspended from a black ribbon accented with a row of round, single-cut diamonds, with an onyx and round, singel-cut diamond pin, mounted in platinum; the watch has an elongated, octagon shaped platinum case that contains a 17 jeweled, 6 ligne size, lever escapement, bimetallic balance, Breguet balance spring, Swiss movement.

Diamond Bracelet

A straight line bracelet with engraved sides, decorated with a row of 55 round, old European- and transitional-cut diamonds having a total weight of approx. 4.25 cts., mounted in platinum, measuring approx. 7 inches (17.75 cm).With French hallmarks

Art Deco Diamond and Onyx Bar Brooch

The central portion having 3 floral designs, each bezel set with an old European-cut diamond surrounded by small black onyx petals, with round and rose-cut diamond accents on the sides and ends of the brooch, mounted in platinum-topped 18K white gold.

Sapphire and Diamond Earrings

Each centering an oval-shaped, faceted sapphire that weighs approx. 1.65 cts. in one earring and approx. 1.40 cts. in the other, surrounded by 8 old mine-cut diamonds that have a total weight of approx. 4.80 cts., mounted in silver and 14K yellow gold.

Sapphire and Diamond Ring

Centering a fine, cushion-shaped, faceted sapphire weighing 5.05 cts., flanked by 2 half moon-shaped diamonds having a total weight of approx. 1 ct., mounted in platinum and 18K yellow gold.Accompanied by GIA (Gemological Institute of America) report #10321561, stating that the sapphire is natural

French Art Deco Sapphire and Diamond Bar Brooch

Having a stylized lozenge-shaped outline centrally set with a sugar loaf cabochon-cut sapphire weighing approx. 1.50 cts. within a background of round, single-cut diamonds, the borders decorated with faceted, calibré-cutsapphires, mounted in platinum (with replaced 14K yellow gold clasp).With French hallmarks and maker?s mark

Very Fine Art Deco Sapphire and Diamond Bracelet, circa 1930

Articulated strap type decorated from 5 repeated sections that are each centrally set with an emerald-cut sapphire and flanked with 6 baguette-cut diamonds, accented with 4 French-cut diamonds and 6 calibré-cut sapphires, bordered by round, brilliant-cut diamonds; the sections are joined by a double bridge of French-cut diamonds within open lotus leaf designs, mounted in platinum with a gold catch and engraved platinum safety clasp, measuring approx. 7 inches (18 cm).

Art Deco Tutti Frutti Double Clip Brooches

Set with carved emeralds, sapphires, rubies and baguette-cut diamonds within a double frame of round diamonds, the diamonds having a total weight of approx. 2.20 cts, mounted in platinum with 18K white gold clip backs and brooch attachment.

Very Fine Carved Jadeite Jade Necklace

Having a large, carved jade drop suspended from a bail decorated with triangular-shaped single-, and baguette-cut diamonds having a total weight of approx. 2 cts., attached to a platinum bar and link chain, measuring approx. 15 inches (38.1 cm). The jade exhibits exceptional translucency and very fine color.Accompanied by GIA (Gemological Institute of America) report #11193095 stating jadeite jade, natural color.

Sterlé, Paris

Diamond Cuff LinksDesigned as the initial 'S' on one end and 'P' on the other, with straight baguette-cut diamonds forming both initials, having a total weight of approx. 4.50 cts for the 28 diamonds in both cuff links, mounted in platinum and 18K white gold.Signed, numbered and with French hallmarks

Unusual Art Deco Emerald and Diamond Automobile Brooch

Centering a slabbed emerald crystal, surrounded by round, brilliant-cut diamonds in the body of the car and the tires, on black onyx pavement, mounted in platinum.With French hallmark

Delicate Art Deco Sapphire and Diamond Pendant Necklace

Fine chain suspending a lozenge-shaped drop centering a pear-shaped, faceted sapphire weighing approx. 0.40 ct. surrounded by 8 old European-cut diamonds with 4 small square-cut sapphires in the corners, free-hanging from a navette-shaped drop containing a small marquise-shaped, faceted sapphire surrounded by small diamond accents, mounted in 18K yellow and white gold, with a platinum chain measuring approx. 14 inches (35.5 cm).

J.E. Caldwell & Co.

Fine Art Deco Sapphire and Diamond Bracelet, 1920?sFlexible, having a Greek key design set with small, French-cut sapphires (one is missing) and 34 round, brilliant-cut diamonds that have a total weight of approx. 3.50 cts., mounted in platinum, measuring approx. 7 inches (17.8 cm).Signed and numbered

Diamond Cross

Decorated with round, brilliant-cut diamonds having a total weight of approx. 2.75 cts., with a diamond-set bail, mounted in platinum, suspended from a 14K white gold chain measuring approx. 18 1/2 inches (47 cm).