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

A stunning, fine and impressive 11.21 carat diamond and platinum brooch in the Art Deco style; part of our diverse antique diamond jewellery collection

SKU: W9540

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


This stunning Art Deco brooch has been crafted in platinum.

The pierced decorated Art Deco style design is embellished with one hundred and forty-four claw set, Dutch cut diamonds displayed within concentric ring designs.

The pierced decorated frame features a central 0.63 ct Old European cut diamond, flanked by six further Old European cut diamonds displayed in a horizontal fashion to the centre of the impressive brooch.

A further fourteen Old European cut diamonds ornament the upper and lower borders.

The symmetrical brooch terminals are accented with seven Old European cut diamonds to the outer concentric designs.

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

This antique brooch is fitted to the original hinged leatherette presentation case which has a satin and velvet lined interior.

A contemporary AC Silver gift box in either black or brown may be provided if so desired.

This brooch is supplied with an independent diamond grading report card.

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

AC Silver


This original 1920s Art Deco style brooch is a very good gauge of platinum and is fine quality, set with very high colour graded old cut diamonds.

The brooch is in excellent condition.

The original presentation case is in excellent condition; the retailer's mark to the interior cover is worn in keeping with age.

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

Diamond Quality

Feature Diamond

Colour H

Clarity VS 2

Cut Old European

Content 0.63 carat

Dimensions 5.36mm x 5.22mm x 3.69mm

Supporting Diamonds

Colour (average grades) I

Clarity (average grades) SI 2 - P 2

Cut Old European/Dutch

Content (total) 10.58 carats

Total Diamond Content

11.21 carats


Length 6.2cm / 2.44"

Width 3.30cm / 1.29"

Height 3.64mm / 0.14"

View the complete collection of antique jewellery at AC Silver


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11.21 ct Diamond and Platinum Brooch - Art Deco - Antique Circa 1920 is currently not available, but we thought you might be interested in these related items:
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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