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 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...

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...

A striking 1950s extra-large bracelet charm by Van Cleef & Arpels. The charm is a fully-functional roulette wheel studded along the edge with collet-set round cut sapphires and emeralds. Under crystal dome, a tiny ruby bead serves as the marble. The moveable handle spins the dial, causing the ruby to skip along until if falls into one of the depressions on the wheel...

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...

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 very nice 18K yellow gold ring in the Sputnik style. The sphere is collet-set with round amethysts, citrines, pink and green tourmalines, garnets and aquamarines around a central aquamarine set at the top of the dome. This design was originally created by H. Stern in the 1950s to highlight the range of colored gemstones available from the mines of the company’s native Brazil. It later came to be known as “Sputnik” for its resemblance to the spiky Soviet satellite launched in 1957...

An 18K yellow gold Sputnik pendant by H Stern. The dome is bezel-set with 19 round citrines, amethysts, pink and green tourmalines, garnets, and aquamarines. This design was created in the 1950's to highlight the range of colored gemstones available from Stern's Brazilian mines. It came to be called "Sputnik" because of its resemblance to the spiky Soviet satellite launched in 1957. Each piece has a unique appearance depending on the particular selection and placement of the stones...

A very good, large 18K yellow gold Sputnik ring by H Stern. The dome is studded with a variety of bezel-set tourmalines, amethysts, citrines, aquamarines and garnets. Stern popularized the style in the 1950’s to show off the variety of gemstones mined in the company’s native Brazil. Due to its spiky appearance, the design eventually became known as “Sputnik”. The rings were made in a variety of dome sizes, and this example is exceptionally large...

A very nice vintage French 18K gold curb link chain. The weight is sufficient to support a rather heavy locket or pendant. Stamped with French 18K gold hallmarks and an illegible master goldsmith's mark.

• Origin: France.
• Length: 22 3/4"; width 2.5mm.
• Weight: 10.6 grams.

Classic vintage circa 1950 bracelet with carved agate scarabs mounted in 14KT yellow gold. Marked 14K. With scarabs in carnelian, rock crystal, tiger eye, banded onyx, unakite, and bloodstone. 7 1/4 inches wearable length and 1/2 inch wide. Excellent condition. Display form is life size. Photos enlarged to show detail.

A fine 18K yellow gold Venetian Etruscan fob bracelet charm or pendant set with five oval amethysts and four pearls in a crown shape. The gold surfaces are enhanced with twisted wire, rosettes and beading...

A classic Venetian Etruscan 18K gold charm set with round amethysts. The gold surfaces are ornately worked with rosettes, beaded and rope-twist decoration. The amethysts have nice medium-light violet color that contrasts beautifully with the surrounded 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. 1955
• Condition: excellent

A striking modernist 14K yellow gold link bracelet, with enlaced circular and oval links. The interplay of shapes creates a very chic look. It can be worn alone or with a collection of charms. The reverse is stamped for 14K gold and has an indistinct maker's mark.

Origin: America, ca 1940. Condition: excellent. Dimensions: 7-3/4" long; 5/8" wide. Weight: 25.2 grams.

Retro 14K Yellow Gold Link Bracelet, hallmarked 14K on back of clasp. This is a Gorgeous Bracelet, rare to find a piece so retro, yet modern and current. 33mm Wide 7.4 inches Long 91.5 grams

A vintage 18K yellow gold heart-shaped pendant/charm, the border set with alternating cushion cut Burmese rubies and old mine cut diamonds. Like most Retro pieces, the large size has great presence. The rubies have fine, bright red color and VS clarity, and display all the characteristics of Burmese rubies. There are no indications of heat or other treatment. The diamonds are of similarly fine quality, graded as I color, SI clarity. The bail is marked “750” for 18K gold. The pendant is ideal...

A Retro 14K yellow gold bracelet comprising hinged links set with amethysts alternating with diamond-set links. The oval mixed-cut amethysts have medium-dark, vivid reddish-purple color and are well-matched. The small old European and brilliant cut round diamonds add a restrained bit of sparkle. The amethysts are set in a way that makes them appear the float in the larger gold links, creating a sense of lightness in the bracelet. The clasp is marked “14K”.

Origin: America, ca. 1940. C...

A lovely 18K yellow gold, diamond and ruby love pendant (“medaille d’amour”) with a rebus spelling out Plus qu’hier, moins que demain,” (“More than yesterday, less than tomorrow.”) a line from the love poem written by Rosemonde Gérard to her husband Edmond Rostand (author of “Cyrano”) in 1889. The word “plus” is symbolized by a plus sign set with a five rose cut diamonds and the word “moins” by a minus sign set with rectangular cut synthetic rubies.

In 1907, the...