A stunning pair of 18K yellow gold earrings in the "Heliocoidal" pattern by lauded designed Michael Good. The earrings are constructed in the anticlastic raising technique in with the piece is formed from a sheet of gold and then twisted along all three dimensions to create an organic shape that Good refers to as "molten energy." Each piece is created entirely by hand and does not employ any machine made parts such as earwires or clasps. Older examples of Good's jewelry is difficult to find...

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 rare pair of 18K yellow gold “Sputnik” earrings by H. Stern. This classic design features a golden dome studded with various colored gemstones including green tourmaline, pink tourmaline, aquamarine, amethyst, citrine and garnet. Each piece of Sputnik jewelry has a unique appearance depending on the combination of gemstones used and how they are arranged relative to one another. This pair of earrings has brightly-colored stones in a very pleasing arrangement...

An 18K yellow gold buckle ring enhanced with enamel in Gucci's trademark Kelly green. The simplicity of the design is classic Gucci. The interior of the shank is signed "Gucci 18" Italy".

Origin: Italy, ca. 1970. Dimensions: shank, 3/16" wide. Finger Size: 6-1/2. Weight: 3.4 grams.

14K yellow gold screwback earrings (stamped 14K Tiffany & Co on both screwback pieces) with 4-5mm pearls. The diameter of the earring is 18mm, total weight of both earrings together is 8.1 grams.

A stunning pair of 18K noble gold and natural fancy-colored diamond earrings from the Snowflake collection by H Stern. Each earring is composed of three snowflakes of graduated size, each set with round brilliant natural fancy-colored diamonds in subtle shades ranging from honey to pale golden brown. The diamonds average VS2 clarity. The earrings are made with 18K noble gold, a color somewhere between white gold and yellow gold that Stern created in 2001...

Authentic Tiffany 10 Strand Pearl Necklace by Paloma Picasso with 18K yellow gold clasp. Hallmarked on clasp c1982 T & Co, also hallmarked on clasp loop Paloma Picasso. Approximately 900 pearls total. Purchased from Tiffany's, 5th Avenue, New York, absolutely 100% Authentic. Can be worn straight or twisted (see photos). Could also be worn doubled as a bracelet. New, never worn, comes in original Tiffany jewel case box. Will make a nice gift! Length is 17.25 inches (untwisted)

A stunning platinum and 18K yellow gold eternity band set with diamonds in the "Estelle" design by Van Cleef & Arpels. These rings are made only by special order, and the wait time is a minimum of three months. The classic design is named for Estelle Arpels whose 1896 marriage to Alfred Van Cleef gave rise to the luxury jewelry house. The 10-point brilliant cut round diamonds are bead-set in a platinum band flanked on either side by a beaded yellow gold edge...

Beautiful chic and modern signed Tiffany gold bracelet great to wear alone, layer, or use as a starter charm bracelet. Marked TIFFANY and 14K. Circa 1950. With slide clasp and safety catch. It weighs 18 grams. Wearable length is 7 1/4 inches. 1/4 inch wide. Excellent condition. Photos enlarged to show detail.

An outstanding 14K yellow gold dachshund angel pin by famed Beverly Hills jewelry designer, William Ruser. The dog, shown sitting up in a begging position, is beautifully detailed. His eyes are set with tiny rubies and he wears a halo of seed pearls. The dog-angel’s wings are made from natural freshwater pearls, as are the clouds on which he floats...

A classic gold “Open Heart” pendant in the large size by Tiffany & Co. Created by Elsa Peretti, this design has become one of Tiffany’s most popular and identifiable designs. This pendant is currently available in three sizes, this version (27mm) being the largest. The pendant is suspended from its original Tiffany chain. The back of the pendant is signed “Elsa Peretti” and both the pendant and chain are fully hallmarked by Tiffany & Co...

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.

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 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 color of the amethyst is deep purple and is nicely even throughout the stone. The gold surfaces are decorated with the fine florentined engraving typical of Marx’s pieces...

Large snake brooch made by Italian designer Piranesi. 18K black gold setting covered with amethysts, pink tourmaline, two approx 5 pt diamonds for eyes. The combination of these stones gives this brooch an overall stunning color, a real standout.

A stunning 18K white gold and blue sapphire ring from the "Paris Nouvelle Vague" collection launched by Cartier in 1999. The collection was inspired by the dynamism of the City of Paris...

A classic 18K yellow gold link bracelet in the "Atlas" pattern by Tiffany & Co. The design is based on the Roman numerals from the clock over the doorway of Tiffany's NY flagship store. The clasp is signed by Tiffany and is dated 2003. This bracelet is currently available only in white gold and is priced at $3,700.

Origin: Italy, 2003. Condition: excellent, all original. Size: 5/16" wide; 7-1/8 long. Weight: 28.7 gr.

A colorful pair of 14K yellow gold earrings by popular New York jewelry designer Sonia Bitton, whose collections have been sold at Neiman Marcus and Saks Fifth Avenue. The earrings feature round cut amethysts, citrines, peridots, blue zircons, pink tourmalines and garnets, each set in a movable bezel. When being worn, the bezels move freely on their framework, allowing the gems to shimmer. The back are signed “Sonia B” and are marked “14K”.

Origin: America, ca. 2000. Size: 13/16”...