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1920s Aquamarine Diamond Brooch for Sale
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42.24ct Aquamarine, 1.62ct Diamond and Platinum Brooch / Pendant - Antique Circa 1920


A stunning, fine and impressive antique 42.24 carat aquamarine, 1.62 carat diamond and platinum brooch / pendant; part of our antique aquamarine jewellery collections

SKU C8678

This stunning, fine and impressive 1920s brooch/pendant has been crafted in platinum.

The pierced decorated, rectangular shaped setting displays a stunning feature millegrain decorated collet set 42.24ct emerald cut aquamarine.

The feature aquamarine is encompassed with sixteen collet set Old European round cut diamonds, subtly protruding from the central setting.

The pierced decorated frame of the brooch is further ornamented with an inverted arch border incorporating forty-eight pavé set diamonds, in a combination of eight and Dutch cuts.

The brooch secures to the reverse with a detachable hinged pin and push fit clasp; the detachable pin indicates the high quality of the piece.

This versatile antique brooch may also be worn as a pendant and suspended from an 18" platinum trace chain via an integrated loop to the reverse of the setting.

This impressive aquamarine brooch/pendant has been independently tested using state of the art technology (Niton XL2 Analyzer) and verified as platinum.

This stunning brooch is supplied with an IDGL diamond and gemstone grading report card.

This stunning brooch is a work of art in its own right.

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 antique aquamarine jewellery

This antique brooch/pendant is exceptional quality, set with a stunning aquamarine displaying fine colour, brilliance and presence.

The well colour matched, high colour graded diamonds display a fine white colour and brilliance.

This aquamarine brooch is an exceptional gauge of platinum and is in exceptional condition.

Reflections in photographs may detract from the true representation of this stunning 1920s aquamarine and diamond brooch.

Cut Emerald

Content 42.24 carats

Dimensions 22.10mm (length) x 20.25mm (width) x 12.96mm (depth)

Colour (average grades) H

Clarity (average grades) SI2

Cut Old European/Eight/Dutch

Content 1.62 carats

Number of Diamonds


Length of setting 3.35cm/1.32"

Width of setting 3.1cm/1.22"

Across pin 2cm/0.79"

Height of setting 1.29cm/0.51"

22.82 grams

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