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...

Vintage 18K yellow gold post-back earrings in the "Scribble" design by Paloma Picasso for Tiffany & Co. The design is sometimes called "Graffiti" or "Squiggle." The earrings were made in various sizes, with this pair being the most delicate and wearable. The backs are dated 1983 and are marked by Tiffany and Picasso.

• Origin: America, ca. 1983
• Excellent condition
• Dimensions: 5/8" x 1-7/16"
• Weight: 4.9 grams

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...

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.

An elegant 18K yellow gold, Akoya pearl and diamond heart ring by Mikimoto. The diamond-studded heart is centered with a cluster of three 4.3-4.5mm pearls, graded as extra-fine AAA—the highest possible quality rating. They have fine luster and white body color with rosé overtones. The diamonds are E/VVS. The interior of the shank is stamped with Mikimoto's hallmark.

The ring is accompanied by a 2006 written Bailey, Banks & Biddle appraisal for $2150.

Origin: Japan, ca. 1990...

Superb Mikimoto brooch in the shape of a harp. The harp’s sounding board is set with a row of ten fine AA pearls graduating from 3.3 to 5.8 millimeters, and the strings are studded with round brilliant-cut diamonds. The neck and column, both worked in gold, are beautifully detailed. The pearls are of exceptional quality with light cream body color and rosé overtones. The luster is very bright and the pearls are well matched. The diamonds are SI1/2 clarity and G/H color...

A vintage pair of 18K yellow gold and diamond ear clips in the "Tiffany Signature Series" created by Tiffany & Co. in 1992. The classic design is the in the form of reeded bands studded with round brilliant cut diamonds creating a sort of basket weave pattern. The diamonds are F/VVS1. The earrings were made without posts, but the clip is open, so posts could easily be added for extra security. The backs are marked "1992 Tiffany & Co. 750"...

An elegant pair of 18K yellow gold earrings with mother-of-pearl inlay by Angela Cummings. The designer pioneered modern hardstone mosaic techniques when she was still lead designer at Tiffany & Co. After establishing her own luxury boutique, she continued to make similar designs under her own name. The earrings are marked “Cummings 18K”.

Origin: America, 1984-2003. Size: 1” x 3/4". Weight: 15.7 grams.

A 14K white gold pendant featuring a prong-set 1.04 carat diamond (H/I1). The diamond has very good cut and brilliance. The pendant is accompanied by an 18-3/4" white gold chain.

A colorful 18K gold pendant from H Stern’s “Rainbow Collection,” featuring rectangular garnet, topaz, citrine, peridot, green tourmaline, aquamarine, and amethyst to represent the color spectrum of visible light. The stones are contained within a simple gold border. The reverse is stamped with Stern’s star mark. Tested and guaranteed 18K.

• Origin: Brazil, ca...

A very nice 14K yellow gold 5mm cable twist bracelet with domed ends set with pearls and rubies from the “Cable Classics” collection by David Yurman. The 4.8mm pearls are beautifully accented with rows of channel-set round rubies. This design is one of the earlier pieces from the “Cable Classics” collection, and is no longer in production. The original retail price was $2,450. The open cuff is flexible and can be spread to fit nearly any wrist...

Lovely vintage gold and genuine salmon coral clip earrings by the San Francisco jeweler Gump's, known for its fine coral, jade, and pearl jewelry. Circa 1975. Marked 14K and GUMP'S. Together they weigh 9 grams...

A lovely 18K yellow and white gold, ruby and enamel 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 in white gold and the word “moins” by a minus sign set with rectangular cut synthetic rubies. The remainder of the text is h...

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

A classic 18K 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 the second largest of the four available sizes. 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. This piece is currently available at Tiffany & Co. and retails for...

A very attractive pair of vintage 18K yellow gold star earrings by Tiffany & Co. The stars are slightly pulled out of shape, so the design has a sense of movement, and the legs are slightly faceted for a little extra shine. The earrings have Omega backs and the original posts, which could be removed for wear as clips. Each earring is signed "Tiffany & Co.", is marked "750" for 18K gold, and is dated 1983.

Origin: America, 1983. Condition: excellent, all original. Size: 13/16" x 7/8". Wei...

A stunning Tiffany & Co. ring by Jean Schlumberger, one of the great jewelry designers of the 20th century. He was Tiffany’s lead designer in the 1960s and was charged with creating nearly all of the company’s most exclusive pieces. His designs typically relied on naturalistic motifs. Here, two leaves are worked in platinum and studded with round brilliant-cut diamonds. The stems of the leaves are worked in 18K yellow gold and meld into the double shank that continues the organic motif. ...

A colorful pair of 18K gold and gemstone earrings from the “Rainbow Collection” by H Stern. Made in the 1980’s, the collection was intended to show off the variety of colored gemstones available from Stern’s Brazilian mines and also the artistry of the company’s designers in the subtly graduated colors that reproduce the colors of the rainbow spectrum. The selection includes amethyst, blue topaz, green tourmaline, peridot and citrine. The backs have omega clips and posts could be ad...