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5.83 ct Diamond and Platinum Brooch - Art Deco - Antique Circa 1920

A stunning, fine and impressive antique 5.83 carat diamond Art Deco brooch in platinum; part of our antique jewellery and estate jewelry collections

SKU: A4312
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5.83 ct Diamond and Platinum Brooch - Art Deco -  Antique Circa 1920
5.83 ct Diamond and Platinum Brooch - Art Deco - Antique Circa 1920


This stunning example of an authentic Art Deco diamond brooch has been crafted in platinum.

The unusual asymmetrical frame features a central Old European round cut diamond displayed within a square mount.

The pierced decorated latticework design surrounding the feature diamond is embellished with fifty-four baguette cut diamonds of various sizes.

This stunning, authentic Art Deco design features an impressive asymmetrical, angular border pavé set with fifty-three Old European round cut diamonds.

The border is accented with two individual rectangular settings, both ornamented with two larger Old European round cut diamonds.

All the diamonds are very high colour graded, and well colour matched.

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

This brooch is supplied with a independent diamond grading certificate for the central diamond, in addition to the independent diamond grading report card for the supporting diamonds.

This original 1920's brooch has been independently tested using state of the art technology (Niton XL2 Analyzer) and verified as platinum.


This impressive original Art Deco brooch is fine quality, set with very high colour graded old cut diamonds.

The brooch is a very good gauge of platinum and in excellent condition.

Reflections in photographs may detract from the true representation of this stunning example of Art Deco jewellery/estate jewelry.

Diamond Quality

Central Diamond


Colour G

Clarity SI2

Cut Old European round

Content 0.48 carat

Dimensions 4.20mm x 4.18mm x 2.38mm

Supporting Diamonds

Colour (average grades) G/H

Clarity (average grades) VS2 - SI2

Cut Old European round/baguette

Content (total) 5.35 carats

Total Diamond Content

5.83 carats


Length of brooch 6.1cm/2.40"

Width of brooch 2.52cm/1"

Height of setting 4.5mm/0.17"

View the complete collection of Art Deco jewellery at AC Silver
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Andrew Campbell started trading in antiques during the 1970s. Initially, Andrew lived in the South of England, travelling the country, searching for items of silver to buy. Andrew sold these items at various London markets and antique fairs. Over time, and through selling at a range of venues, Andrew built up a large and diverse customer base from private buyers to national and international trade customers.
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