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1.78ct Diamond and Platinum Brooch - Art Deco - Antique Circa 1930

A stunning, fine and impressive antique 1.78 carat diamond brooch in platinum; part of our diverse antique jewellery and estate jewelry collections

SKU: C3198

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1.78ct Diamond and Platinum Brooch - Art Deco - Antique Circa 1930 Video
Multi Diamond Art Deco Brooch
1.78ct Diamond and Platinum Brooch - Art Deco - Antique Circa 1930


This stunning, fine and impressive antique diamond brooch has been crafted in platinum.

The geometric Art Deco design is ornamented to the centre with a feature collet set 0.23ct old european round cut diamond.

The central diamond is flanked on either side by four claw set old european round cut diamonds.

The symmetric platinum frame is embellished with a further thirty-six pavé set eight-cut diamonds.

The brooch secures to the reverse with a pin and sliding catch.

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

The antique 1930's diamond brooch in platinum is supplied with an independent diamond grading certificate for the feature diamond in addition to an independent diamond grading report card for the supporting stones.

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.

View the complete range of Art Deco jewellery at AC Silver

AC Silver


This stunning antique brooch is fine quality set with very high colour graded diamonds, displaying a fine white colour, brilliance and presence.

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

Reflections in photographs may detract from the true representation of this fine example of diamond jewellery/estate jewelry.

Diamond Quality

Feature Diamond

Colour F

Clarity VS2

Cut Old European round

Content 0.23 carat

Dimensions 4.33mm x 4.18mm x 1.99mm

Supporting Diamonds

Colour (average grades) G/H

Clarity (average grades) VS2/SI2/P1

Cut Old European round/ Eight-cut

Content (total) 1.55 carats

Total Diamond Content

1.78 carats


Length of Setting 4.7cm/1.85"

Width of Setting 2.5cm/0.98"

Across pin 4.4cm/1.73"

Height of Setting 5mm/0.2"


9.58 grams

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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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35b St Georges Terrace,
NE2 2SU,
United Kingdom
T: +44 (0) 191 240 2645
E: [email protected]
VAT: GB 500 0310 42

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