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0.59ct Diamond and 18ct White Gold 'Coldstream Guards' Sweetheart Brooch - Vintage 1977

An impressive vintage 0.59 carat diamond and 18 carat white gold 'Coldstream Guards' regimental sweetheart brooch; part of our diverse antique jewellery and estate jewelry collections

SKU: C1800

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0.59ct Diamond and 18ct White Gold 'Coldstream Guards' Sweetheart Brooch - Vintage 1977 Video
Diamond Coldstream Guards Sweetheart Brooch
0.59ct Diamond and 18ct White Gold 'Coldstream Guards' Sweetheart Brooch - Vintage 1977


This fine and impressive diamond brooch has been crafted in 18ct white gold.

The regimental sweetheart brooch has been modelled in the form of the cap badge of The Coldstream Guards, comprising a millegrain decorated garter star mounted with pierced garter on a blue enamel ground, the central Cross of St. George on red translucent and white enamel.

The garter is ornamented with the French phrase "Honi Soit Qui Mal Y Pense", meaning "shamed be he who thinks evil of it", the motto of the Order of the Garter.

The stellate design that surrounds the enamel decoration to the centre is embellished with approximately eighty-one pavé set eight-cut diamonds.

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

The reverse of the setting is hallmarked to the reverse with the maker's mark 'J.W.B, the gold guarantee mark (crown), the 18ct gold fineness mark (750), the Birmingham Assay Office hallmark (anchor) and date letter for 1977 (C).

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

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 brooches at AC Silver

AC Silver
Date: 1977


This impressive vintage regimental brooch is exceptional quality set with fine enamel decoration and very high colour graded diamonds.

The brooch is an exceptional gauge of gold and is in excellent condition with very clear hallmarks to the reverse of the setting.

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

Diamond Quality

Colour (average grades) G/H

Clarity (average grades) VS2/SI2

Cut Eight-cut

Content (total) 0.59 carat


Length of Setting 3.3cm/1.3"

Width of Setting 2.5cm/0.98"

Height of Setting 3.65mm/0.14"


8.59 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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