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...

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...

A stunning vintage 18K yellow gold ring featuring an outstanding 1.60-carat Burmese ruby surrounded with diamonds by Tiffany & Co. Tiffany has not sold rubies since 1999 due to the U.S. embargo of Myanmar, and the design of this ring suggests it was made in the 1950s or 60s. The inside of the shank is marked “Tiffany & Co.” and “18K”.The ring is presented in its original dark blue velvet, satin-lined ring box marked “Tiffany & Co.”...

A rare pair of 18K yellow gold earclips in the Sputnik style by H Stern. The domes are bezel-set with round amethysts, citrines, aquamarines, green and pink tourmalines, and garnets. This design was created in the 1950s to highlight the range of colored gemstones available from the mines of Stern's native Brazil. It later came to be called "Sputnik" for its resemblance to the spiky Soviet satellite launched in 1957...

An extremely rare 18K yellow gold bracelet in the Sputnik design by H Stern. The domes are bezel-set with round amethysts, aquamarines, citrines, green tourmalines, pink tourmalines and garnets. The design was created in the 1950s to showcase the range of colored gemstones available from Stern's mines in Brazil. It later came to be called "Sputnik" because of its resemblance to the spiky Soviet satellite launched in 1957...

A fun 18K yellow gold multi-gem H Stern “Sputnik” charm or pendant. Stern was the world’s leading dealer in colored gemstones and created this line of jewelry in the late 1950s to showcase the wonderful array of colored gemstones mined in Brazil, where the company was headquartered . Amethysts, aquamarines, citrines, garnets and green and pink tourmalines are collet-set above the gold sphere...

A large 18K yellow gold Sputnik ring by H Stern. The dome is bezel-set with round amethysts, citrines, aquamarines, peridots, green tourmalines, pink tourmalines and garnets. The Sputnik design was created in the 1950’s 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 spike Soviet satellite launched in 1957...

A lovely vintage 14K yellow gold heart pendant pave-set with 62 round brilliant rubies by Tiffany & Co. The heart is slightly domed and shimmers in vibrant red. The workmanship is simply outstanding. The back has a folding bail and a pinstem so the piece can be worn as a pin or suspended on a chain. Marked “Tiffany & Co. 14K”.

Origin: America, ca. 1950. Condition: excellent, all original. Size: 7/8” x 15/16”. Weight: 6.7 grams. Approximate Total Gemstone Weight: 4.5 carats.

A rare pair of 18K yellow gold earclips in the Sputnik style by H Stern. The domes are bezel-set with round amethysts, citrines, aquamarines, green and pink tourmalines, and garnets. This design was created in the 1950s to highlight the range of colored gemstones available from the mines of Stern's native Brazil. It later came to be called "Sputnik" for its resemblance to the spiky Soviet satellite launched in 1957...

An extremely rare 18K yellow gold Sputnik bracelet by H Stern. The domes are bezel-set with round amethysts, citrines, aquamarines, peridot, 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...

A nice 18K gold Sputnik ring by H Stern, the dome bezel-set with nineteen round citrines, amethysts, pink and green tourmalines, garnets and aquamarines. This design was created in the 1950s to highlight the range of colored gemstones available from Stern's Brazilian mines. Each piece has a unique appearance depending on the particular selection and placement of the stones. The gems in this ring tend toward richer autumnal colors with a lot of garnet-red, gold and medium-dark green...

An unusual 18K yellow gold pendant in the Sputnik design by H Stern. Most examples of Sputnik jewelry are set with multi-colored gemstones, but occasionally a piece turns up with a single color—in the case amethyst. The design was created in the 1950s to highlight the colored gemstones available from the Stern mines in Brazil. It later earned the nickname “Sputnik” for its resemblance to the spike Soviet satellite launched in 1957. Tested and guaranteed 18K.

Origin: Brazil, ca. 1955....

A large 18K yellow gold Sputnik pendant by H Stern. The dome is bezel-set with round amethysts, citrines, aquamarines, garnets, green tourmalines, and most unusually, a very rare blue indicolite tourmaline and an even rarer neon green tourmaline with paraiba-like coloring. The Sputnik design was created in the 1950s to showcase the variety of colored gemstones available from Stern's Brazilian ines. It later came to be called "Sputnik" for its resemblance to the spike Soviet satellite launched in...

A large pair of 18K yellow gold Sputnik earrings by H Stern. The domes are bezel-set with round amethysts, citrines, aquamarines, peridots, green tourmalines, pink tourmalines and garnets. The Sputnik design was created in the 1950’s 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 spike Soviet satellite launched in 1957. Each piece has a unique appearance depending on the specific colo...

A lovely 18K yellow gold Sputnik ring by H Stern. The dome is bezel-set iwth round citrines, amethysts, green and pink tourmalines, garnets and aquamarines. This design was created in the 1950s to highlight the range of colored gemstones available from Stern's Brazilian mines. It last came to be called "Sputnik" because of its resemblance to the spiky Soviet satellite of launched in 1957. Each piece has a unique appearance depending on the particular selection and placement of the gemstones....

An extremely rare 18K yellow gold bracelet in the Sputnik design by H Stern. The domes are bezel-set with round amethysts, aquamarines, citrines, green tourmalines, pink tourmalines and garnets. The design was created in the 1950s to showcase the range of colored gemstones available from Stern’s mines in Brazil. It later came to be called “Sputnik” because of its resemblance to the spiky Soviet satellite launched in 1957. Each piece has a unique appearance that relies on the particular...

A rare pair of 18K yellow gold earclips in the Sputnik style by H Stern. The domes are bezel-set with round amethysts, citrines, aquamarines, green and pink tourmalines, and garnets. This design was created in the 1950s to highlight the range of colored gemstones available from the mines of Stern's native Brazil. It later came to be called "Sputnik" for its resemblance to the spiky Soviet satellite launched in 1957. Each piece has a unique appearance that relies on the particularly selection and...

A fine modernist 18K yellow gold ring by Burle Marx set with an intricately carved aquamarine in the “forma livre” (free form) style. Haroldo Burle Marx was particularly known for his use of Brazilian gemstones, often fashioned by carving or tumbling rather than faceting, a technique he invented in 1948. The aquamarine’s deep, dusky blue color contrasts beautifully with the gold, which is worked with florentined engraving typical of Burle Marx’s pieces. The shape of the stone also cre...