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Diamond Bow Brooch with Onyx

1.35ct Diamond and Black Onyx, Platinum Bow Brooch - Art Deco - Antique Circa 1910

A stunning antique Art Deco 1.35 carat diamond and black onyx, platinum 'bow' brooch; part of our diverse antique jewellery and estate jewelry collections

SKU C2468


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

The brooch has been modelled in the form of a bow.

The pierced and millegrain decorated frame is ornamented with a central 0.30ct Old European round cut diamond, collet set to the centre of a circular black onyx panel.

The floriated design is ornamented with a total of seventy-six pavé and collet set Old European round cut diamonds.

Twenty channel set faceted onyx panels are displayed in four rows.

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

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

The diamond bow brooch with onyx 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

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

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

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

Feature Diamond

Colour G

Clarity P1

Cut Old European round

Content 0.30 carat

Dimensions 4.09mm x 4.07mm x 2.56mm

Supporting Diamonds

Colour (average grades) G/H

Clarity (average grades) VS2/SI2/P1

Cut Old European round

Content (total) 1.05 carat

Total Diamond Content

1.35 carats

Length of Setting 5.1cm/2.01"

Width of Setting 1.98cm/0.78"

Height of Setting 5.4mm/0.21"

9.75 grams

Proud Members of

International Federation of Art and Antique Dealer Associations CINOA
National Association of Jewellery UK's trade association NAJ