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Antique Diamond Plaque Brooch
Antique Diamond Plaque Brooch Antique Diamond Plaque Brooch Antique Diamond Plaque Brooch Antique Diamond Plaque Brooch Antique Diamond Plaque Brooch Antique Diamond Plaque Brooch Antique Diamond Plaque Brooch Antique Diamond Plaque Brooch Antique Diamond Plaque Brooch

4.65ct Diamond and Platinum Plaque Brooch - Antique Circa 1930

£5,450.00

A stunning, fine and impressive antique 4.65 carat diamond and platinum plaque brooch; part of our diverse antique jewellery and estate jewelry collections

SKU C5220

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


The pierced decorated, elliptical platinum frame is ornamented with a central feature collet set 0.68ct Old European round cut diamond.


The principle stone is surrounded with eight petal-shaped motifs embellished with a total of thirty-two Old European cut supporting diamonds, creating a floral motif to the centre of the design.


The central floral motif is encompassed with the outer elliptical frame, which features a further sixty-four Old European round cut pavé set diamonds.


The upper and lower portions of the impressive pierced decorated frame are each ornamented with a curvilinear encasing motif, adding further depth to the stunning design.


The impressive design secures to the reverse with a hinged pin and sheath style fastening.


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


This impressive antique diamond brooch is supplied with an independent diamond grading report certificate for the feature stone, 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 diamond jewellery at AC Silver

This stunning antique diamond plaque brooch is exceptional quality, set with a stunning feature diamond displaying a fine white colour, brilliance and presence.

The impressive high colour graded supporting diamonds display a fine white colour and brilliance.

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.


Feature Diamond

Colour J

Clarity SI1

Cut Old European

Content 0.68 carat

Dimensions 5.26mm x 4.92mm x 3.64mm


Supporting Diamonds

Colour (average grades) G/H/I

Clarity (average grades) VS2/SI2

Cut Old European

Content 3.97 carats


Total Diamond Content

4.65 carats


Length of setting 3.1cm/1.22"

Width of setting 6.7cm/2.64"

Across pin 6.2cm/2.44"

Height of setting 4.24mm/0.17"


13.25 grams


Proud Members of

International Federation of Art and Antique Dealer Associations CINOA
LAPADA THE ASSOCIATION OF ART & ANTIQUES DEALERS
National Association of Jewellery UK's trade association NAJ