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Cartier Black Onyx and Diamond Brooch
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1.70ct Black Onyx and 2.20ct Diamond, Platinum Cartier Brooch - Antique Circa 1925

£5,950.00

A stunning, fine and impressive antique 1.70 carat black onyx and 2.20 carat diamond Cartier brooch in platinum - boxed; part of our antique Cartier jewellery collections

SKU C8627

This stunning original antique brooch has been crafted in platinum.


The pierced decorated, navette-shaped Art Deco style design displays an impressive paralleling array of twenty-eight channel set rectangular cut onyxes, totalling 1.70cts.


The black onyx formation is flanked with one hundred and twenty-eight pavé set Dutch cut diamonds, completing the design.


The brooch secures to the reverse with a hinged pin and safety clasp.


This 1920s brooch is hallmarked to the pin with the maker's mark 'Cartier' and has been independently tested using state of the art technology (Niton XL2 Analyzer) and verified as platinum.


This stunning 1920's brooch is supplied with an IDGL diamond and gemstone grading report card.


This stunning Cartier black onyx and diamond brooch is fitted to the original hinged leatherette presentation box, with a satin and velvet lined interior, securing with a push fit catch.


The interior of the cover bears the retailer's mark 'Wartski, 33 Mostyn Street, Llandudno'.


Such original examples are becoming increasingly difficult to locate.


Images do not always reflect the true colour and brilliance of gemstones and diamonds. The video however provides a truer representation of the actual colour and showcases each stone.


Maker: Cartier

This stunning original antique brooch is exceptional quality, set with impressive onyxes displaying fine colour.

The impressive high colour graded diamonds display a fine white colour and brilliance.

The original presentation box has sympathetic wear in keeping with age.

The brooch is in exceptional condition and an excellent gauge of gold.


Reflections in photographs may detract from the true representation of this impressive example of antique jewellery.


Cut Rectangular Cut

Content 1.70 carats


Colour (average grades) G

Clarity (average grades) SI2

Cut Dutch

Content 2.20 carats


Number of Diamonds

128


Length of setting 4.95cm/1.95"

Width of setting 2.12cm/0.83"

Across pin 3.5cm/1.38"

Height of setting 2.65mm/0.1"


5.51 grams


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International Federation of Art and Antique Dealer Associations CINOA
LAPADA THE ASSOCIATION OF ART & ANTIQUES DEALERS
National Association of Jewellery UK's trade association NAJ