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1.83ct Diamond and Platinum Brooch by Garrard - Antique Circa 1920

A stunning antique 1.83 carat diamond and platinum brooch by Garrard; part of our diverse antique jewellery and estate jewelry collections

SKU: C2808

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1.83ct Diamond and Platinum Brooch by Garrard - Antique Circa 1920 Video
Garrard Diamond Brooch
1.83ct Diamond and Platinum Brooch by Garrard - Antique Circa 1920


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

The pierced decorated Art Deco design is ornamented to the centre with a collet set 0.46ct Old European round cut diamond.

The feature diamond is flanked on either side by a slightly smaller individually collet set Old European round cut diamond.

The millegrain decorated, inverted-scalloped edged frame that surrounds the three central diamonds is embellished with a further ninety-eight pavé set eight-cut diamonds.

The antique brooch secures to the reverse with a hinged pin and catch fastening.

The brooch is fitted to the original red leatherette and satin, velvet lined presentation box with the maker's name to the interior 'By appointment to H.M. The Queen, Goldsmiths & Crown Jewellers, GARRARD & Co LTD, 112 Regent Street W.L'.

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

The brooch 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.

Read our blog on how to wear a brooch


This stunning antique Garrard brooch is exceptional 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 H

Clarity SI1

Cut Old European round

Content 0.46 carat

Dimensions 4.90mm x 4.89mm x 2.99mm

Supporting Diamonds

Colour (average grades) G/H

Clarity (average grades) VS2/SI1

Cut Old European round / Eight-cut

Content (total) 1.37 carats

Total Diamond Content

1.83 carats


Length of Setting 3.2cm/1.26"

Width of Setting 1.84cm/0.72"

Across pin 3.4cm/1.34"

Height of Setting 3mm/0.12"


5.95 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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