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2.53 ct Diamond and 0.84 ct Opal, 18 ct White Gold Insect Brooch - Antique French Circa 1900

A stunning, fine and impressive antique 2.53 carat diamond and 0.84 carat opal, 18 carat white gold brooch in the form of a winged insect; part of our antique jewellery / estate jewelry collections

SKU: W9133

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2.53 ct Diamond and 0.84 ct Opal, 18 ct White Gold Insect Brooch - Antique French Circa 1900 Video AC Silver Play Button
Insect Brooch Antique
2.53 ct Diamond and 0.84 ct Opal, 18 ct White Gold Insect Brooch - Antique French Circa 1900


This stunning, fine antique insect brooch has been crafted in 18 ct white gold in the form of a paired winged insect.

The head of this impressive insect style brooch is embellished with two Old European cut diamond eyes and scrolling antennae.

The thorax of the insect is ornamented with an impressive feature 0.73 carat Dutch cut diamond.

The paired, pierced decorated wings are embellished with thirty-eight Old European cut diamonds of various sizes dependant on their position within the design.

The abdomen of this stylised insect displays a feature natural cabochon opal.

This early 1900's brooch secures to the reverse with a hinged pin and push fit security fastening.

The insect brooch is supplied with an independent diamond grading report certificate for the feature diamond, in addition to the independent diamond grading report card shown.

This antique brooch has been independently tested using state of the art technology (Niton XL2 Analyzer) and verified as 18ct gold.

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 collection of brooches at AC Silver

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This French brooch is fine quality, set with very high colour graded, old cut diamonds and a natural opal.

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

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

The images do not reflect the true colours and iridescence of the opal. The video however provides a more accurate reproduction of the actual colour.

Diamond Quality

Feature Diamond

Colour I

Clarity SI 2

Cut Dutch cut

Content 0.73 carat

Dimensions 6.93mm x 5.96mm x 2.31mm

Supporting Diamonds

Colour (average grades) I

Clarity (average grades) SI 2

Cut Old European

Content (total) 1.80 carat

Total Diamond Content

2.53 carats

Opal Quality

Colour Natural

Cut Cabochon

Content 0.84 carat

If you would like to view a copy of the diamond grading certificate for the feature diamond, please contact us, providing your email address, and a PDF file will be sent.


Length from antennae to tip of abdomen 3.5cm /0.29"

Width across wings 3.5cm /0.29"

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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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