American Art Deco ring (likely by Louis C. Tiffany for Tiffany & Co.) set with a large blue zircon (approx. 64 carats by calculation, 20mm x 20mm x 19mm) set in a fancy platinum mount further set with 14 round cut diamonds, four bullet shaped gold/orange citrines and two kite shaped gold/orange citrines, marked: very deeply stamped letters as a maker’s mark on the inside of the shank, c. 1930
***Top quality gem blue zircons over 10 carats trade at a minimum price of $200 per carat and go up from there depending on the size of the stone and the quality of the color. Blue zircon, the most popular color, is produced by heat treatment of brown zircon. But not all brown zircon will turn blue when heated; only some zircon has the right physical structure for this to occur. This is why most blue zircon comes from certain sources in Cambodia or Burma. Blue zircon is a reasonably hard gem with a Mohs hardness of about 7 to 7.5. Blue zircon has some unique properties that make it very popular with gemstone aficionados. Not only does zircon have outstanding brilliance, but it also has very strong dispersion or fire, the tendency to split white light into the spectral colors. Zircon also has very pronounced birefringence or double refraction, with a wide variance between the two refractive indices. This can be often be observed with the naked eye when you look down through the table of a cut zircon; you will observe facet doubling that makes the facet edges appear blurred.
Walter Nichols Chinese Art Deco / Modernist rug c. 1935
WALTER NICHOLS China
Art Deco / Modernist rug c. 1935
106” x 137”
Walter Abner Burns Nichols was one of the most colorful of the American adventurer/entrepreneurs in 1920s China. The Nichols name has come to be used almost synonymously with the ‘Chinese deco’ rugs manufactured in Tientsin, China in the 1920s and 1930s. Nichols did not originate the Chinese deco style, but he did a great deal to popularize it and to maintain its high standards of manufacture.
Nichols began in his youth as a first-class wool grader who went to Tientsin around 1920 to work for the Elbrook family of wool merchants. Nichols started his own business a couple of years later. In a brochure he produced in the late ’20s, with the assistance of Pande-Cameron, he announced: “In 1924 W.A.B. Nichols of Tientsin, North China, introduced the Super Chinese Rug which has become world famous. It is known in every market as the most durable and beautiful product of the modern Chinese weavers art and adorns the homes of people all over the earth.”
Guttierez Vega / South American Art Deco Sterling Modernist Coffee / Tea Set c. 1935
GUTTIEREZ VEGA (active 1930s) Bogotá, Columbia
Four-piece modernist coffee / tea set c. 1935
Radical form cone and triangular shaped four piece sterling silver with bold design exotic handles.
Marks: T.A.N. Sterling (Maker’s mark), serial number F925
Coffee pot H: 5″ x L: 10 1/2″
Teapot H: 4 3/8″ x L: 10 1/2″
Creamer H: 3″ x L: 8″
Sugar bowl H: 4 1/2″ x L: 7 3/4″
In the 1930s, Colombia began to embrace modern and Art Deco architecture. The new Liberal Party government tore down many older buildings to reject the conservative past. In their place, it constructed modern buildings with an international flavor and interiors and decorative arts were designed to complement these newly stylized buildings.
Gilbert Rohde / Herman Miller American Modernist Clock and Thermometer c.1933
GILBERT ROHDE (1894-1944) USA
HERMAN MILLER CLOCK CO. Zeeland, Mich.
Showroom sample clock and thermometer/barometer c. 1933
Block of seven stacked wood varieties with three brushed chrome bars, chromium-plated rings and original convex glass clock faces
For related Rohde clock designs: American Modern 1925-1940: Design for a New Age, J. Stewart Johnson (New York: Harry Abrams & Am. Federation of Arts, 2000) p. 142-43 The Machine Age in America: 1918-1941, Richard Guy Wilson, Dianne H. Pilgram and Dickran Tashjian, exhibit. Cat. (New York: The Brooklyn Museum and Harry N. Abrams, 1986), vintage Herman Miller catalog.
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