A vintage pair of Tiffany & Co. 18K yellow gold earrings in a classic ribbed shrimp design. The earrings have posts and omega backs. Marked "T&C 750".

Origin: America, ca 1980

Condition: excellent

Dimensions: 1" long; 3/8" maximum width

Weight: 14.9 grams

An extraordinarily fine antique 18K yellow gold ring by Tiffany & Co. set with a mixed cushion cut Burmese blue sapphire surrounded by old mine cut diamonds. All the gems are of the finest quality. The sapphire has been certified by the American Gemological Laboratories (see the following paragraph). The diamonds, ranging in size from approximately .22 carat to .29 carat each, are estimated at G/H color and SI to VVS2 clarity...

Hammerman Brothers heavy 18K yellow gold link bracelet made of 8 substantial links. Finely made, hallmarked 750 HB for Hammerman Brothers on tab, 750 on back of clasp. Hidden safety clasp. Excellent condition, beautiful patina gives appearance of higher carat gold. Width: approx 19mm (nearly .75 inch wide at its widest point) Length: 8 inches Weight: 73.4 dwt (114 grams)...

Elegant signed Mikimoto 14K yellow gold brooch set with a cluster of five pearls. The pearls are of the exceptional quality that only Mikimoto produces--a beautiful luster and very white body color. The back is stamped with Mikimoto's hallmark.

Origin: Japan, ca 1970. Condition: excellent, no damage, all original. Size: 1" x 2"; pearls 5-6mm. Weight: 5.0 grams.

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...

An uncommon pair of large "X" earrings by Paloma Picasso for Tiffany & Co. One arm of each earring is worked in platinum and set with round brilliant diamonds (G/VS1). This design is uncommon in the large size and very difficult to find with diamonds. The earrings retain the original posts and omega clips...

A classic pair of 18K yellow gold earclips by acclaimed jewelry designer Barry Kieselstein-Cord. The earrings are designed as rectangular plaques centering slightly domed centers surrounded by beaded borders. The surfaces have a hand-finished look and are bloomed for the slightly matte texture characteristic of the designer’s work. The earrings have substantial weight...

A very rare 18K yellow gold ring set with a black pearl designed by Jean Dinh Van for Pierre Cardin. The design has an overall trapezoidal shape. The shank is doubled at the back and then comes together into a single head at the front, where it grasps a single black pearl. The 6mm pearl has nice lustre and even, natural coloring. The back of the shank is fully stamped with the French goldsmith's mark and "18K"...

A delightful Retro 14K yellow and rose gold lucky four-leaf clover pin by Tiffany & Co. In the typical Retro style, the gold surfaces are large and mostly unadorned except for simple veining along the middle of the clover leaves. The back retains the original “fur clip” allowing the pin to be worn without actually piercing a garment’s fabric. The back is marked “14K Tiffany & Co.”.

Origin: America, ca. 1940. Condition: excellent, all original. Size: 1-1/4” x 1-5/16”...

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 and very important 18K yellow gold ring set with a white pearl and a black pearl designed by Jean Dinh Van for Pierre Cardin...

An elegant pair of classic Tiffany & Co. 18K yellow gold hoop earrings in a braided, twisted rope motif. The backs have posts with omega clips. The interior of each hoop is marked "Tiffany & Co. 1995 750".

Origin: America, 1995

Condition: excellent

Dimensions: 1" diameter, 1/4" width

Weight: 11.2 grams

A lovely vintage 18K yellow gold and diamond ring by Boucheron. The top of the band has a quilted ("matelassé) pattern accented with crossed bands set with brilliant round-cut diamonds (E/VVS2). The setting is heavy and quite comfortable to wear. The interior of the shank is signed “Boucheron” and is marked “Or 750 / 885513912”. The outside of the shank is stamped with the “tete d’aigle” mark and with Boucheron’s maker’s mark.

Origin: France, ca. 1990

Condition: excellent

This fine pin measures 2” long. It displays 3 prong-set, scarab gems, budding from a leaf and stems. It is gold filled and marked BURT 1/20 12KT CASSELL. It is in excellent condition. Burt Cassell, a designer based in Rhode Island and New York City, made high quality jewelry during the 1950s through the mid 1960s. His gold filled designs, enhanced with semi-precious stones were mainly sold through jewelry stores and not department stores. An advertisement from 1961 describes his work as "The ...

A fascinating 18K yellow gold cocktail ring featuring a "forma livre" (free-form) amethyst 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 amethyst chosen for this ring has distinct color zoning that creates an interesting interplay of deep and light purple coloring. The setting is finished in the florentine style typical of Burle Marx's work. The inter...

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 classic 18K yellow gold tapered band by Tiffany & Co. set at the crown with an oval cabochon citrine. The stone has very nice slightly orangey-yellow color and eye-clean clarity. The ring has a very solid feel and can be worn by either a man or woman. The interior of the shank is marked “750” for 18K and is signed by Tiffany. This ring is no longer available at Tiffany, but originally sold for $2,150.

• Italy, ca. 2000
• Very good condition; light wear to the shank
• Finger Size: 5

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. Marx did not always sign his p...