Catalog: Estate Jewelry (1605)

A fine pair of Art Deco 14K yellow gold double-sided cufflinks, the faces set with sugarloaf cabochons of colorful jasper chalcedony. The pattern of inclusions is similar to moss agate, but the greenish wisps appear against a semi-transparent background of deep rust instead of the more typical creamy beige. They’re really quite attractive stones in an unusual pattern. The faces are attached by solid connectors stamped with Larter’s 14K hallmark.

Origin: America, ca. 1925. Condition: excellent. Size: 9/16” x 9/16”. Weight: 9.5 grams.

A very attractive pair of late Arts & Crafts or early Art Deco silver cufflinks by Saethers Gull og Solvvarefabrikk, a Norwegian silversmith known for inventive designs. One face of each cufflink is hinged for ease in putting through the cuff. The connectors are fully hallmarked.

Origin: Norway, ca. 1920. Condition: excellent. Size: 27/32” x 1/2. Weight: 15.5 grams.

A heavy and finely made pair of 18K yellow gold stirrup (étrier) cufflinks set with calibre-cut blue sapphires designed by the Russian émigré jeweler Olga Tritt for sale at her Park Avenue boutique in New York. The arches of the cufflinks are set with rows calibre-cut intensely-colored blue sapphires.

Tritt specialized in antique jewelry, but supplemented her selection with an array of her own luxury designs, mostly made in France to her specifications. Her client roster included many luminaries, including the Duchess of Windsor. These cufflinks are unsigned, but the particular elongated figure-8 style of the hinged connectors was unique to Tritt. Tested and guaranteed 18K.

• France, circa 1935
• Condition: excellent; all original
• Dimensions: 3/4" x 15/16" (20 x 24 mm)
• Weight: 14.9 grams
• Approximate Total Sapphire Weight: 2.03 carats

A fine 10x19mm navettte-shaped opal set in an Art Deco 14K yellow gold setting enhanced with bright champleve enamels in shades of dark and light green, red, and black. The opal has a very nice "pinfire" pattern with an unusually generous amount of red/orange play of color. The pattern is evenly dispersed, with color throughout the stone. Unlike some of the other opal patterns, pinfire has the distinction of showing pattern when viewed from any direction. Even the bottom of the stone visible through the mounting has nice color and pattern. The colors of the stone are nicely accented with the enamels on the mounting. The shank is engraved in a floral pattern and is accented at the shoulders with floral appliques worked in white gold. The interior of the shank is marked "14K" and has an unidentified maker's mark.

• Origin: America, ca. 1920.
Dimensions: crown, 7/8" x 1/2".
• Finger Size: 6.
• Weight: 5.0 grams.
• Condition: excellent; no enamel damage; no crazing, scratching or pitting to opal.

A superb pair of Art Deco cufflinks, the octagonal faces worked in platinum over gold. Each face features sugarloaf cabochon sapphire of fine, vividly saturated blue. Each cabochon is flanked by four rectangular sapphires flush-mounted with milgrained borders. The faces are joined with chain connectors. Marked 14K.

Origin: America, ca. 1910. Condition: excellent, all original. Size: 9/16" diameter. Weight: 10.99 gr. Approximate Total Gemstone Weight: 2.16 cts.

A lovely Art Deco white gold and platinum filigree bracelet featuring three diamond-set frosted and engraved crystal plaques alternating with bezel-set pale blue spinels. The use of pale blue spinels the color of aquamarines is a very unusual treatment in a bracelet of this type, and the overall effect is very pretty. All the platinum surfaces are engraved in a delicate foliate motif. The clasp is stamped for 14K and platinum and has an unidentified maker’s mark.

Origin: America, ca. 1920. Condition: excellent, all original. Dimensions: crystal plaques, 9/16” wide; overall length, 8-1/8”. Weight: 10.0 grams. Approximate Total Gemstone Weight: spinel, 1.18 cts; diamond, .08 ct.

A nice pair of oval-faced cufflinks worked in platinum over 18K gold, each face set with a 4-pt single-cut diamond and a 4-pt square step cut blue sapphire. The stones are set on the bias and are highlighted with raised platinum bars that are slightly polished to contrast with the matte finish of the surround platinum background. The faces are connected by chains to gold torpedo backs. Tested and guaranteed platinum and 18K.

Origin: probably continental Europe, ca. 1920. Condition: excellent, all original, one of the torpedo backs has a small ding on the side. Size: 5/8” x 15/32”. Weight: 4.5 grams. Approximate Total Gemstone Weight: diamond, .08 carat; sapphire, .08 carat.

An extremely fine pair of Art Deco cufflinks worked in platinum and 18K yellow gold. Each square face is centered with a gypsy-set old European cut diamond, and has square cut blue sapphires at each corner. The stones have excellent color and clarity, especially the sapphires, which are bright blue. The platinum is finished with a matte surface, causing the gemstones to seem even more vibrant. The faces have pierced galleries around the edges and are attached to baton backs with chains. The outer surface of the batons are also worked in matte platinum. The geometric styling of these cufflinks is a very good example of early Art Deco.

Origin: Europe, possibly France, ca. 1920. Condition: excellent, all original. Size: 15/32" x 15/32". Weight: 7.5 grams. Approximate Total Gemstone Weight: diamond, .25 carat; sapphire, 2.0 carats.

A superb Art Deco platinum ring set with a cat’s-eye chrysoberyl cabochon flanked at each shoulder by a row of square step-cut diamonds. The chrysoberyl is of the finest quality, with a strong well-centered white eye against a strongly greenish-yellow background—precisely the combination that yields the desirable “milk and honey” effect. The cabochon is nicely cut and has very good symmetry. The diamonds are of exceptional quality, with D/E color and VS2 to SI1 clarity. The platinum mounting has a matte finish that nicely accents the stones. The interior of the shank is marked “Irid Plat”.

Origin: America, ca. 1925. Condition: excellent. Size: crown, 9/16” wide. Finger Size: 6-1/2. Weight: 9.0 grams. Approximate Total Gemstone Weight: chrysoberyl, 4.00 cts; diamond, .468 ct.

A stunning Art Deco platinum ring featuring an antique cushion cut 9.03-carat Ceylon sapphire flanked on either side by three baguette diamonds arranged in a stepped pattern. The sapphire is graded on the GIA scale as vB5/4 (medium tone, moderate-strong saturation, violetish blue color), with eye-clean clarity and excellent cut. The stone's internal characteristics suggest Ceylon as the most likely origin. The overall look is a lovely cornflower blue with a tinge of violet mixed in. The stone is brilliant and easily stands up to the side diamonds, graded as F/VS1. The shank is stamped with French hallmarks for platinum and for 18K (the prongs holding the sapphire are 18K white gold). The interior of the shank is stamped with a serial number and a maker's signature that is now obscured. A stone of this size and quality, complete with a serial number, would suggest a major Parisian house as the maker.

Origin: France, ca. 1920. Condition: excellent; the shank is in very good condition; minute scattered facet junction wear on the sapphire. Dimensions: crown, 11/16" x 1/2". Finger Size: 6-1/4. Weight: 5.7 gr. Approximate Total Gemstone Weight: sapphire, 9.03 cts; diamond, .60 ct.

A gorgeous Art Deco platinum mounting sprinkled with diamonds and featuring a pair of round brilliant cut aquamarines. The crown of the ring rises well up off the finger, creating a sort of umbrella effect that nestles the aquamarines. The diamonds larger diamonds in the setting are old European cuts and the smaller ones are single cuts. All are in the H/I color range with VS clarity. The mounting is finished with expert milgraining and ornate piercing.

• Origin: America, ca. 1920.
• Dimensions: 5/8” wide tapering to 1/16” at the back of the shank.
• Finger Size: 7.
• Weight: 5.3 grams.
• Approximate Total Gemstone Weight: aquamarine, 2.14 carats; diamond, 1.0 carat.
• Condition: excellent.

An extraordinary pair of Art Deco cufflinks, the faces comprising rectangular black onyx plaques centered with 1/2-carat round brilliant-cut diamonds in collet settings. The ends of the onyx tablets are finished with highly polished rounded platinum shoulders with ridged decoration. This same decorative element appears on the baton backs. The diamonds are of exceptional quality with strong fire. The color is estimated at E/F and the clarity at VVS1. The cufflinks are masterfully constructed and are quite heavy. Tested and guaranteed platinum.

Origin: Europe, ca. 1920. Condition: excellent. Size: 19/32” x 13/32” (16 x 10 mm). Weight: 14.8 grams. Approximate Total Diamond Weight: 1.0 carat.

A fabulous Art Deco platinum brooch in the form of a carved hardstone Scottish Terrier sitting atop a diamond-encrusted platform surrounded by a leash as a sort of diamond-set halo. The dog is finely carved and enhanced with a matte finish. The 114 old mine and single-cut diamonds average H color and SI1 clarity. The back of the pin is finished with a double clip. The reverse is engraved "To Mama 6-8-36". The bottom edge of the gallery has what appears to be a heavily worn signature. Tested and guaranteed platinum.

Origin: Europe, probably Belgium, 1936. Condition: excellent, all original. Dimensions: 1-3/8" x 1". Weight: 15.4 grams. Approximate Total Diamond Weight: 2.85 carats.

A phenomenal and very heavy Art Deco dress set comprising a pair of double-faced cufflinks and three matching shirt studs. The faces have a slightly rounded triangular outline and are trisected by raised bands of channel-set square step-cut blue sapphires. The points where the sapphire bands meet are collet-set with brilliant round cut diamonds. The visual effect is reminiscent of airplane propellers. The natural sapphires have medium-dark, vividly saturated, slightly violetish-blue color. The diamonds are estimated at G color, VVS clarity. The platinum surfaces have a slightly matte finish. Each face is stamped "10% Irid/90% Plat". The spring mechanism on the backs of the studs are 14K white gold.

Origin: America, ca. 1925. Condition: excellent. Size: cufflinks, 5/8" x 5/8"; studs, 1/2" x 1/2". Weight: 42.89 grams. Approximate Total Gemstone Weight: diamond, .90 carat; sapphire, 2.75 carats.

An elegant Art Deco ring in platinum set with diamonds, sapphires and a 7-mm pearl. The octagonal face is bordered with sixteen single-cut diamonds (H/SI2) enclosing a border of calibre-cut sapphires around the center pearl. The pearl has excellent luster and overtones. The inside of the shank is marked "10% Irid Platinum".

Origin: America, ca 1920

Condition: excellent, the pearl likely replaced a center diamond

Dimensions: crown 1/2" x 1/2"

Finger Size: 4-1/2

Weight: 6.0 grams

Approximate Total Gemstone Weight: diamond, .50 carat; sapphire, .25 carat

An exquisite Art Deco platinum filigree ring set with a 1.14 carat old European cut diamond surrounded by caliber-cut onyx and coral in a sort of Moorish design. The diamond is graded as H color and SI1 clarity. All the stones are set in millgrained bezel settings. The surrounded coral has very saturated, even coloring that contrasts beautifully with the onyx and the sparkle of the diamond. Strong color contrast is especially associated with Art Deco jewels. The shank is set with three small diamonds to each side of the crown. The ring is completed with an ornately pierced gallery.

Origin: Ca. 1925. Condition: excellent. Dimensions: crown, 3/4" diameter. Finger Size: 7-3/4. Weight: 4.8 gr. Approximate Total Diamond Weight: 1.2 cts.

An elegant Art Deco platinum filigree ring centered by a .70 old European cut diamond mounted in an octagonal surround of caliber cut synthetic sapphires (typical of genuine Art Deco period rings). The platinum setting is beautifully pierced at the front and the shank is engraved in a foliate pattern completely around. The diamond is graded as G/H color and VVS1 clarity, and has excellent cut with fine brilliance. The sapphires are bright and provide a nice pop of color. The interior of the shank is engraved with a pair of monograms and the date 2/19/27.

Origin: America, 1927. Condition: excellent, sharp detail. Dimensions: crown, 7/16” diameter. Finger Size: 6-1/4. Weight: 3.2 gr. Approximate Total Diamond Weight: .70 ct.

An extraordinary pair of Art Deco earrings featuring faceted onyx rings suspended from platinum and yellow gold surmounts set with rose cut diamonds. Each onyx ring encloses a platinum element with rose-cut diamonds set in a foliate pattern and further suspending a prong-set old European cut diamond. All the parts are fully articulated, so the earrings have a lot of movement. The platinum is finely millegrained. The center diamonds are I color, SI2 clarity. The earrings retain their original level backs. The earrings are stamped with French gold and platinum marks that were used for goods imported from the U.S.

Origin: America, ca. 1920. Condition: excellent. Dimensions: 1-7/8” long; 1” wide. Weight: 8.1 gr. Approximate Total Diamond Weight: .40 ct.