A pair of ducks takes flight from the lakeside marsh in this 18K yellow gold and diamond locket by renowned Swiss jewelers Huguenin Frères. The quality of the design and workmanship are astounding. The old European cut diamond (I/VS2) is set in platinum collet to enhance the color. Huguenin Frères was one of the leading makers of fine pocketwatch cases, and in 1899 expanded their range to include sporting decorations and other jewelry...

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 elegant 18K gold and platinum marquise ring set with a central row of oval sapphires surrounded by rose cut diamonds. The sapphires have nicely saturated coloring, and the diamonds have good brilliance. The design is finished with a pierced gallery along the edges. Marquise rings were very fashionable in the Edwardian period and have a very elegant appearance on the hand. Today, they are among the most desirable shapes for engagement rings...

A lovely Retro necklace worked in 14K rose and yellow gold and set with moonstones and amethysts. The necklace descends from a rose gold paperclip link chain toward a pair of openwork yellow gold plaques, each set with a round amethyst accented with a rose gold stylized flower, and flanking a central triangular plaque designed in the same manner. A pair of oval cabochon moonstones is set at either side. The central plaque suspends a larger oval moonstone with a nearly invisible setting...

A lovely early Art Nouveau 18K gold sliding locket by the acclaimed medallist Jean-Baptiste Emile Dropsy. The front cover shows a bare-shouldered woman wearing a diamond necklace and hair ornament feeding a diamond seed to a bird in mid-flight, all surrounded by a bough of chestnut leaves. The diamond accents (“habillé”) add a bit of sparkle to the design...

An elegant solid bangle bracelet worked in 14K yellow gold. The bangle has pierced foliate motif, and is set with sapphires and diamonds. Three round sapphires interspersed with four single-cut diamonds are set in platinum at the front of the bangle, and three additional sapphire stations are at the back. The stones have vibrant pure blue coloring and are unheated, likely from Ceylon. Tested and guaranteed 14K.

• Origin: America, ca...

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.

Very fine, heavy, fully three-dimensional 18K yellow gold figural brooch in the form of a 420 Class racing sailboat by Fred of Paris. It can also be worn as a pendant. The mast is fully Bermuda-rigged with beautifully detailed sails worked in contrasting matte and polished gold. Two figures are hiking out over the edge of the hull and waves lap at the sides. The 420 Class was designed in 1959 and became the leading training vessel for Olympic-class boats...

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...

A vintage 18K gold Sputnik ring of dramatically large proportions by H Stern. The dome is bezel-set with nineteen fine-quality round citrines, amethysts, pink and green tourmalines, peridots, aquamarines and garnets. The 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 spike Soviet satellite launched in 1957...

A wonderful Georgian 18K gold ring featuring a bold royal blue enamel plaque enhanced with a gold and seed pearl applique of a pansy. The blossom is set with a rose cut diamond at the center. The entire plaque is enclosed within a rococo floral border. The shank is decorated with complimentary floral elements...

This beautiful bracelet, marked 14K, features blue guilloche work, a gold filigree area with 2 small moonstones and a large central one surrounded by 11 sapphires and 2 garnets. A stunning piece with beautiful craftsmanship.

The inside of the bracelet measures 2 1/4" across and 1 7/8" high. Excellent condition with no issues.

A stunning pair of Victorian 14K gold, onyx and pearl earrings fashioned as onyx leaves or teardrops with gold and pearl lily-of-the-valley appliques. The scrolled surmounts are also accented with seed pearls. The pearls have nice luster and iridescence. The earrings have a lot of movement when being worn The wires are likely a later replacement and are marked “14K.

Origin: America, ca. 1870. Condition: excellent, no chips or cracks. Dimensions: 19/32” wide x 1-3/4” long (to top of ...

A lovely and weighty vintage 18K yellow gold oval locket, the front cover enhanced with a finely-worked net motif studded with nearly a half-carat small round brilliant cut diamonds in a résille (net) pattern. The diamonds offer a nice bit of glitter without being overwhelming. The back of the locket is stamped with the maker’s mark and English 18K hallmarks.

• Origin: England, 1974-99
• Condition: excellent, no dings or monograms
• Dimensions: 15/16” x 1-3/16” excluding ...

Subtle rose gold setting that has a rope detail surrounding a beautiful salmon colored cabochon. From the outside edge of the rope setting, the face of the ring measures approximately 16 mm in diameter. The coral cabochon measures approximately 12 mm in diameter. It is in excellent condition and is a size 8.5. It is unmarked but has tested as 14k.

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...

An impressively large 18K yellow gold Venetian Etruscan fob charm or pendant in a crown shape set with large oval amethysts enhanced with smaller round amethysts. The gold surfaces are enhanced with twisted wire, rosettes and beading. The amethysts have very rich, deep violet coloring. Marked “750” for 18K.

Origin: Italy ca. 1960. Condition: excellent. Dimensions: 1-3/8” x 1-1/8” x 1-3/8” (excluding bail). Weight: 25.2 gr. Approximate Total Gemstone Weight: 27.29 cts.

A very nice 14K yellow gold man's ring set with a rectangular carnelian plaque with canted corners. The gold surfaces are entirely covered with an hand-engraved foliate design. The gemstones in rings of this type were sometimes engraved with the owner's coat of arms, but this example has never been engraved. The stone's color and the overall impressive size of the ring make this a particularly nice example. The interior is marked 585.

Ca. 1900. Condition: excellent, sharp details. Dimens...