A fine modernist 18K yellow gold ring by Burle Marx set with an intricately carved amethyst in the "forma livre" (free form) style. Haroldo Burle Marx was particularly known for his use of large gemstones, often fashioned by carving or tumbling rather than faceting, a technique he invented in 1948. The amethyst's deep purple color beautifully contrasts with the gold, which is worked with florentined engraving typical of Marx's pieces. Tested and guaranteed 18K...

This charm/pendant measures 3/4" x 1/2" x 1/4". It is made of carved, ivory colored has a 14K gold belly button / navel. It's a neat piece and in excellent condition. It can also be a match for my Trocadero item #955524.

A nice vintage 18K yellow gold spherical charm studded with red cabochons (possibly stained red chalcedony). The gold surfaces are nicely decorated with bright-cut engraving that simulates the beading of classic Etruscan pieces. Large charms of this sort were very popular during the 1950s and 60s. Marked with Italian 18K gold hallmarks.

Origin: Italy, ca. 1960. Condition: excellent. Size: 1-1/8" diameter. Weight: 12.0 grams.

A delightful vintage 18K yellow gold brooch in the form of a leopard by Fred of Paris. The leopard's spots a created of black enamel and his eyes are set with round emeralds flanked by round single-cut diamonds. The gemstones are of superb quality, as expected from one of the world's great jewelry houses. The brooch has a two-prong clip on the back. It bears French 18K gold hallmarks and is signed "Fred-Paris."

Origin: France, ca. 1960. Condition: excellent. Size: 2-3/8" x 1-9/16"...

A handsome and heavy 14K yellow gold ring in a flattened chain link design similar to the classic Gucci “Cuban Link” design. The ring is substantial enough to be worn by a man, but the openness of the design and the split shank makes it equally attractive for a woman. The interior is stamped 14K.

Origin: America, ca. 1965. Condition: excellent. Dimensions: crown, 7/16” x 3/4". Finger Size: 8-3/4. Weight: 9.4 grams.

An 18K gold and amethyst Venetian Etruscan charm or pendant enhanced with ropetwist and beaded decoration. The larger portions of the gold surface are worked in an engraved crosshatch pattern that is very unusual for Italian charms of the period. The decoration creates a soft sheen rather than a glittery surface. The amethysts are set with fleur-de-lis and claw prongs. The amethysts have deep purple coloring and are of very nice quality...

A classic Venetian Etruscan 18K gold charm set with oval amethysts. The gold surfaces are ornately worked with rosettes, beaded and rope-twist decoration. The amethysts have nice intense violet color that contrasts beautifully with the surrounding gold. Charms of this type are usually extremely large, but this example is in a rare smaller size that’s easier to wear on a bracelet or as a pendant. Tested and guaranteed 18K.

• Origin: Italy, ca...

These great Billiken earrings havea gold nugget "navel." They are suspended by screwbacks that are marked 1/20 12K GF with a maker's mark I cannot make out. The Billikens themselves measure 5/8" x 1". They are in excellent condition. They could be a possible match to my Trocadero item #771672. They would also make great charms if removed from the screwbacks.

A very fine and heavy vintage 14K yellow gold necklace by Tiffany & Co. The timeless braided design is enhanced by the gradual tapering of width from the center toward the clasp. The flat braided construction allows the necklace to life flat against the throat. This design has been reinvented several times over the years, and this piece likely dates from the 1960s. It is not currently available, but chains of similar weight are available from Tiffany in the $5,000 range...

An elegant pair of 18K yellow gold earclips by Haroldo Burle Marx set with intricately carved jelly tourmalines in the “forma livre” (free form) style. Burle Marx was particularly known for his use of stones fashioned by carving or tumbling rather than faceting, a technique he invented in 1948. The tourmalines have greenish blueish overtones. The elongated shape of the stones, mirrored by the shape of the settings looks very good on the ear...

An extraordinary modernist fringe necklace in 18K yellow gold and green tourmaline by the famed Brazilian modernist jeweler Haroldo Burle Marx. Burle Marx invented the technique of carving and tumbling forma livre ("free form") gemstones in 1948, and the technique became his signature. Most often, he used colorful stones native to Brazil—tourmalines, amethysts, aquamarines, citrines, etc...

A classic late 1960s 14K gold and diamond cocktail ring in a "snowflake" design. The seventeen diamonds are set in white gold to highlight their color. The diamonds are graded as J/I1. The openness of the setting gives the ring a delicate appearance. The yellow gold shank is stamped "14K".

Origin: America, ca. 1968. Condition: excellent. Dimensions: crown, 5/8" diameter. Finger Size: 9. Weight: 5.7 gr. Approximate Total Diamond Weight: .50 ct.

A wonderful 18K yellow gold cocktail ring featuring a "forma livre" (free-form) green tourmaline by the famed mid-century Brazilian designer Haroldo Burle Marx. Burle Marx invented the technique of carving and tumbling forma livre stones in 1948, and the style became his signature. The tourmaline has a deep green color with just a tiny hint of blue undertones, and is set in a florentined finished typical of Burle Marx's work...

An important artist-designed 18K yellow gold and emerald ring by Maison Gennari of Paris. The ring is styled in the Art Nouveau taste, with a voluptuous mermaid surrounded by waves and seaweed. She leans against a pair of cabochon emeralds, whose green color reinforces the watery feeling of the design...

An impressively large 18K yellow gold Venetian Etruscan fob charm or pendant in a crown shape set with large oval amethysts enhanced with smaller round amethysts. The gold surfaces are enhanced with twisted wire, rosettes and beading. The amethysts have very rich, deep violet coloring. Marked “750” for 18K.

Origin: Italy ca. 1960. Condition: excellent. Dimensions: 1-3/8” x 1-1/8” x 1-3/8” (excluding bail). Weight: 25.2 gr. Approximate Total Gemstone Weight: 27.29 cts.

A nice man's ring featuring a large cat’s eye quartz cabochon. The stone has pronounced chatoyancy (the cat’s eye effect) with excellent color contrast. The interior of the shank is stamped “10K.”

• Origin: America, ca. 1960.
• Dimensions: cabochon, 13.7 x 11.4 mm; 5/8” wide at crown, tapering to 1/8” at the back of the shank.
• Finger Size: 12-1/4.
• Approximate Gemstone Weight: 7.4 carats.

A fabulous pair of 18K yellow gold Sputnik DANGLE earrings by H Stern. The spheres are bezel-set with round amethysts, citrines, aquamarines, peridots, green tourmalines, pink tourmalines and garnets. The Sputnik design was created in the 1950s to highlight the range of colored gemstones available from Stern's Brazilian mines. It later came to be called "Sputnik" for its resemblance to the spiky Soviet satellite launched in 1957. Each piece has a unique appearance depending on the specific col...

A very attractive 18K yellow gold ring set with an amethyst by the famed mid-century Brazilian designer Haroldo Burle Marx. Burle Marx is well-known for his free form designs, but his collaborations with his brother, the landscape architect Roberto Burle Marx, had a much more linear, abstract feel as in this piece. The amethyst at the center is of the very finest quality, with intensely purple color and excellent clarity. The gold is completed with the finely worked florentined finish typical...