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cabochon black opal and diamond ring for sale
cabochon black opal and diamond ring for sale cabochon black opal and diamond ring for sale cabochon black opal and diamond ring for sale

5.46ct Black Opal and 0.52ct Diamond, Platinum Cocktail Ring - Antique Circa 1935

A stunning, fine and impressive antique 5.46 carat black opal and 0.52 carat diamond, platinum cocktail ring; part of our diverse antique black opal jewellery collection

SKU C8092


This stunning, fine and impressive antique opal engagement ring with diamond has been crafted in platinum.

The pierced decorated frame is ornamented with a feature four-claw set 5.46ct black opal.

The opal is flanked with two four-claw set emerald cut diamonds, totalling 0.52ct.

The pierced decorated ring shoulders integrate with the main setting and amalgamate to form the plain ring shank.

This stunning antique black opal ring is hallmarked to the interior of the shank with the platinum mark (Pt 900).

The ring is supplied with an IDGL diamond and gemstone grading report card.

Such magnificent and original antique examples are becoming increasingly difficult to locate.

This stunning cabochon black opal and diamond ring is the finest of its type you could hope to acquire and one of the finest examples AC Silver has the pleasure to include within its inventory.

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.

Learn more on black gemstones

This magnificent antique cocktail ring is exceptional quality, set with a stunning black opal displaying a scintillating plat of colour and presence.

The very high colour and clarity graded diamonds display a fine white colour, brilliance and presence.

The ring is an excellent gauge of platinum and is in excellent condition, with a clear hallmark to the interior of the shank.

Reflections in photographs may detract from the true representation of example of antique opal jewellery.

Colour Black

Cut Cabochon

Content 5.46 carats

Dimensions 16.22mm (length) x 11.60mm (width) x 6.33mm (depth)

Colour (average grades) E

Clarity (average grades) VVS1

Cut Emerald

Content 0.52 carat

Number of Diamonds


Length of setting 1.82cm/0.71"

Width of setting 1.78cm/0.7"

Height of setting 8.62mm/0.34"

UK Size L

USA Size 5 1/2

The ring size may be professionally adjusted in size on request to meet your personal requirements.

6.20 grams

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Proud Members of

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