Antique Art Nouveau Diamond and Amethyst Grape Brooch, Attributed to Fonseque et Olive, in Silver and 18K Gold

Name: Antique Art Nouveau Diamond and Amethyst Grape Brooch, Attributed to Fonseque et Olive, in Silver and 18K Gold
SKU: 522328
Price: 3950.0 USD
Availability: InStock

Item PIN-522328

$3,950

Sale Sold

Product variants

Composed of a silver branch set with old rose cut diamonds, to the 18k yellow gold vine suspending four amethyst grapes. With an 18k yellow gold pin, stamped with French metalmarks.

Condition: Pre-owned
Hallmarks: French
Metal: Silver, 18k Yellow Gold
Gem Stone: Diamond Old Rose cut/I
Gem Stone: Amethyst
Design Era: Art Nouveau
Circa: 1890
Measurements: Length: 1.52 Inches; Width: 0.93 Inches
Weight: 7.2 grams

About Art Nouveau Jewelry

Discover exceptional vintage Art Nouveau jewelry from 1890-1910, showcasing the era's revolutionary approach to design with flowing botanical motifs, sensual feminine figures, and nature-inspired themes like dragonflies and water lilies. Our curated collection features antique art nouveau jewelry renowned for its signature enamel technique by masters such as Louis Comfort Tiffany, Rene Lalique and Georges Fouquet. Exquisite art nouveau jewelry rings and art nouveau necklaces feature innovative materials such as opals and moonstones. The popular use of fragile, translucent stained glass make intact pieces extremely rare and collectible today.

Authenticity

Authenticating jewelry and watches requires nuanced expertise. Many thousands of pieces of jewelry and watches have passed through our hands for over 40 years from every era and every maker. This familiarity enables us to know what a piece should look and feel like and if it has the expected quality of material and workmanship, the accurate makers marks and the correct signature in all the right places. Indeed, one of the easiest ways non-experts can be fooled is to assume a designer piece of jewelry is truly by that maker as pieces by commercial manufacturers are often outright fakes or signed fraudulently by a third party.
In practice, we first look at the front and back of a bracelet, ring, brooch or watch, turning it over in our hands to see that the workmanship on the reverse is just as fine as the detail on the front. Using the jeweler’s important tool, the loupe, we look carefully at many different touch points including the precision with which diamonds are mounted in their settings, the manner in which gold or platinum links are connected to each other, the fineness of the material used, the flawlessness of the polish and the quality of the azuring - a difficult and refined aspect of metalwork.
If we have any doubts whatsoever as to authenticity, we submit the piece to the relevant firm, be it Cartier, Van Cleef & Arpels, Verdura, David Webb and others. We also request the original bill of sale, box and papers for those items most commonly faked such as Cartier Love brackets and VCA Alhambra pieces. And just as banks know their customers we, too, ensure we know enough about our clients to assure ourselves of their ownership and provenance.
Our team of GIA-certified jewelry experts has such a well-regarded reputation in the international jewelry industry that we are frequently called upon to advise auction houses, appraisers and other dealers in matters of authenticity and value.

We stand behind every piece we sell with complete documentation, relevant GIA certification, and the best return policy in the industry, a full money-back guarantee, no exceptions.

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