Janesich was a fine jewelry house founded in 1835 by Leopoldo Janesich. After World War I, they became decidedly Art Deco, in keeping with the great fashion of the 1920s and ‘30s. Reference: Beladora.
The company was renown for it’s jewelry but it also made other items such as lorgnettes and cigarette holders.
Below are some examples and price guides of their Art Deco jewelry including a diamond and onyx bracelet and an example of their maker’s mark.
Janesich Maker’s Mark
Janesich Diamond and Onyx Bracelet, France
Of geometric design, centering old mine and European-cut diamonds, decorated with numerous old European and single-cut diamonds, embellished with onyx segments, length 7⅜ inches, signed Janesich, numbered 8762, with French assay and partial workshop marks; circa 1925.
Sold for 315,000 USD at Sotheby’s in 2020
AN ART DECO DIAMOND AND GEM-SET JABOT PIN, CIRCA 1930 Each shield-shaped clip pavé-set with old brilliant, single and baguette-cut diamonds, with a lozenge-shaped diamond at the tip, and a central cluster of carved emeralds, rubies and sapphires and an old brilliant-cut diamond of yellow tint, diamonds approximately 8.20 carats total, signed Janesich, workshop marks, French assay marks, clip length 3.4cm, brooch length 10.6cm, fitted case by Janesich, 19 Rue de la Paix, Paris, Monte Carlo, Vichy
Sold for £ 35,000 inc. premium at Bonham’s in 2015
JANESICH ART DECO DIAMOND AND ONYX LORGNETTE
Of geometric design set with diamonds and onyx accents Metal: Platinum Diamonds: approximately 248 old and rose-cut diamonds Stones: numerous onyx plaques Signature: JANESICH Marks: French platinum assay mark Circa 1925 Accompanied by a fitted box
Sold for USD 8,750 at Christie’s in 2020
Jade, Platinum and Diamond Cigarette Holder, France The tapered carved jade tipped by a rim of platinum-set rose-cut diamonds, signed Janesich, no. 10742, with maker’s mark and French assay mark, circa 1920
Sold for $3,437 (includes buyer’s premium) at Doyle in 2019
An Art Deco platinum diamond, coloured diamond and coral pin. Of openwork design, the old-cut ‘yellow’ diamond, with old and rose-cut diamond geometric sides and coral cabochon highlights. Estimated total diamond weight 2.25 to 2.50cts
Sold for £2,500 at Fellows in 2019
