Art Deco Sapphire and Diamond Brooch by Janesich

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An extraordinary French Art Deco brooch by master craftsman Leopoldo Janesich, dating to the 1920s. Expertly marked with the jeweller's mark “L. Janesich,” this platinum brooch showcases 25 fancy‑cut blue sapphires totalling 3.10ct, beautifully contrasted by 126 old single‑cut diamonds totalling 1.90ct (G–H colour, VS–SI clarity). The sapphires rich blue tones and the diamonds antique sparkle exemplify the geometric elegance of Art Deco design. Offered with an independent Gem Studies Laboratory valuation. 

Provenance note: Janesich crafted made for prestigious houses and clients, including Bulgari, Vever, Boucheron, Chaumet, the Archduke of Austria and the Duke of Aosta. 

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Product Details

Circa: 1920s 
Design Style: Art Deco
Origin: France 
Makers Mark: L. Janesich
Gemstones: Sapphire and Diamonds
Sapphire Cut: Fancy Cut
Sapphire Carat: 25 Sapphires = 3.10ct
Diamond Cut: Old Single Cut  
Diamond Carat: 126 Diamonds = 1.90ct
Diamond Colour: G-H
Diamond Clarity: VS-SI 
Metal: Platinum
Measurements: 34.65 x 50.00 mm
Accompanied by an independent Gem Studies Laboratory Valuation

Handmade by a master jeweller over 100 years ago, showcasing jewellery techniques now lost to machine production.

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Yes! Our jewellery comes with a lifetime quality guarantee. To maintain this guarantee, we recommend bringing your pieces in for a complimentary inspection every six months. This ensures that everything remains in perfect condition and allows us to uphold your warranty.

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Each piece has been chosen for its rarity, craftsmanship, and timeless design, carrying meaning beyond its form and preserving stories worth telling.

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