A fine large-size enameled 14K yellow gold Art Nouveau flower pin the form of a pansy. The petals are beautifully decorated with purple, violet cream and yellow opaque enamels. The enamel has a soft luster that mimics the velvety texture of an actual pansy. The flower is centered with a 15-point round brilliant diamond of exceptionally good quality (E color, VVS2 clarity)...

Dazzling art deco platinum setting with approximately 1.62 ctw in diamonds in a square checkerboard pattern-- 4 rows of 4 diamonds in each row. Set on top with sixteen (16) European cut diamonds, I in color, SI in clarity, together weigh 1.5 ctw. This all original platinum ring is also set with eight (8) single cut diamonds, J in color, SI in clarity, together weigh .12 ctw. Top of ring dimensions are approximately 12mm x 12mm...

This classic Deco sapphire French cut eternity band, crafted of platinum and rubies, features 26-30 rubies. There is a hallmark inside that reads 10% iridium platinum. The addition of iridium, a hard and rare metal with an extremely high melting point is a good thing, simply means the platinum has an even harder-wearing durability. The band measures a US/Can. 7 and is NOT size-able.

Gold screwback earrings with large carved apple jade drops. 1920s, with Chinese marks. Also marked 14K. Together they weigh 4 grams. Nice size -- 2 inches long and 9/16 inch wide. Excellent condition. One jade drop has a line -- it is visible in photos. It can be felt on the outside but the stone is completely stable and is not noticeable except in enlarged photos. Photos enlarged to show detail.

An exceptional pair of Art Deco platinum, emerald, diamond and onyx cufflinks by Cartier. Each face is made from a melon-carved emerald bead dating to India's Mughal Empire (17th/18th centuries), topped with a round onyx disk centered with an old European cut diamond. The emeralds, variously weighing approximately 5.94, 5.49, 4.53 and 4.20 carats, totalling just over 20 carats. The emeralds have a strong green color with natural inclusions characteristic of the Chivor mines in Colombia...

Art Deco 18K Yellow Gold Pendant Necklace with 2 rosecut diamonds, 2 roundcut peridot, and 1 dangling lustrous pearl on a 14K yellow gold (hallmarked) chain. Probably circa 1920s, possibly French. Can also be worn as a pin (see photo). Chain is modern, not original. Fully tested to be 18K. Length of chain is 21 inches (approx 20 inch wearable length w pendant attached). Width: 1 5/16 inches. Height: 1 inch. Weight: 4.1 grams, 4.8 grams total including chain.

Fabulous and early vintage yellow gold and carved jade drop screwback earrings with Chinese motifs. Circa 1925. Not marked, but they test positive for at least 14KT gold. Together they weigh 4 grams. The carving on the drops is double sided and photos show both sides.

Nice size -- 2 3/8 inches long and 1/2 inch wide. Excellent condition. Photos enlarged to show detail.

An 18K white gold filigree Art Deco diamond ring from the 1920s. This size 5-3/4 vintage ring features a high-set genuine 15 point antique brilliant cut diamond with excellent clarity and color. The stone is measured in setting, so approximate. The openwork is attractive and the shoulder/sides are also ornate. It measures 1/4" x 1/4" across the setting surface. The band has a uniform thick profile but a thin width. It is stamped 18K (twice) and it weighs 1.9 grams...

A magnificent Art Deco 18K white gold ring set with a 1.49-ct Burmese ruby surrounded by round diamonds. The ruby has a pure, vivid red color and eye-clean clarity. There are no indications of heat or other treatment. The back of the mounting is enhanced with a pierced gallery and geometric engraving. The diamonds are G-H color, SI clarity. Tested and guaranteed 18K.

NOTE: We are also presenting matching earrings (Item #1306948).

Ca. 1925. Condition: excellent...

An Art Deco pendant or charm displaying four playing cards each with the pip for an ace worked in black or red enamel. Four aces is an unbeatable hand in poker unless an opponent has a flush. The bottom edge of the charm is engraved “Réussité” (“Success”). The charm and the original jump ring are stamped with French 18K guarantee marks.

• Origin: France, ca...

Antique 14K Yellow Gold Watch chain circa 1910 with watch swivel and smaller matching chain with spring ring. Good condition overall, 1 small old repair on main chain you really have to look for, couple of very small dents on 2 links on main chain, 1 on small chain. Length of main chain is 24 inches (including swivel), width is 1/4 inch Length of smaller chain is 2 inches ncluding spring ring. Total weight: 21.5 grams. Fully tested.

An extraordinarily fine Art Deco gentleman's ring in the Egyptian Revival style featuring a large cabochon of the finest Afghan-quality lapis lazuli. The setting is formed as a grouping of stylized lotus plants, complete with leaves, buds and full-blown blossoms forming the collets that hold the stone. The quality of the hand-engraving is superb. Ancient Egyptian decorative elements were very popular in European and American jewelry following the opening of Tutankhamun's tomb in 1924...

A fine 10x19mm navettte-shaped opal set in an Art Deco 14K yellow gold setting enhanced with bright champleve enamels in shades of dark and light green, red, and black. The opal has a very nice "pinfire" pattern with an unusually generous amount of red/orange play of color. The pattern is evenly dispersed, with color throughout the stone. Unlike some of the other opal patterns, pinfire has the distinction of showing pattern when viewed from any direction...

A delightful vintage 14K yellow gold bracelet by Tiffany & Co. featuring three reverse-carved Essex crystals...

A classic target-style ring featuring a luminous pearl surrounded by a ring of calibre-cut synthetic rubies set in an 18K yellow gold setting. Originally a stick pin, this ring was created with the addition of an 18K shank. The rubies are synthetic—as they often were in the Art Deco period—are a beautiful deep red color that nicely accents the creamy white pearl.

• Origin: French stick pin, ca. 1920.
• Condition: excellent; converted from an Art Deco stick pin.
• Dimensions:...

A nice Art Deco 14K white gold bar link chain. The bars alternate with groups of three round links. The bars reflect light, so the chain has a pleasant shimmer. The clasp is marked "14K".

• Origin: America, ca. 1925
• Condition: excellent
• Length: 21-3/4"
• Weight: 3.1 grams

An elegant pair of Art Deco drop earrings featuring elongated teardrops of rich green chalcedony, accented with small natural pearls, and suspended from 18K white gold leaf-shaped surmounts. The chalcedony has a particularly nice color and excellent translucency. These earrings are a good example of transitional jewelry between the Edwardian style, with its use of white metal and pearls, and the Art Deco style, with its emphasis on scale and color. Tested and guaranteed 18K.

Origin: America...

A very fine Art Deco 14K yellow gold necklace of filigree links centering a collet-set carved jadeite disc suspending another filigree link and a large oval plaque of jadeite carved in a floral pattern. The workmanship of the filigree is superior, with finely detailed millegraining on nearly all the surfaces. The use of yellow gold in filigree jewelry of the period is quite unusual, but is very attractive as a foil to the rich green of the gemstones. The jade plaques nicely carved in a tradit...