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Vintage Grima Ring with Opal and Diamonds

5.94ct Opal and 6.55ct Diamond, 18ct Yellow Gold Dress Ring by Grima - Vintage Circa 1975

A stunning, fine and impressive vintage 5.94 carat opal and 6.55 carat diamond, 18 carat yellow gold and 18 carat white gold set cocktail ring by Grima; part of our diverse vintage jewellery and estate jewelry collections

Maker: Grima

SKU C3290


This stunning, fine and impressive vintage opal ring has been crafted in 18 ct yellow gold with an 18 ct white gold setting.

This vintage Grima ring with opal and diamonds is called the 'swimming pool' ring, due to its lowered blue opal design.

The pierced decorated, oval setting is ornamented with a feature 5.94 ct oval cabochon cut opal, 18 ct white gold collet set in subtle relief to the centre of the design.

The opal is framed by a total of fifty-two individually 18 ct white gold collet set, square / emerald cut diamonds, totalling 6.55 carats.

The pierced decorated ring shoulders integrate with the main setting and join the shank at a subtle cuff design.

The cast gold shank has a naturalistic bark effect.

The ring is hallmarked to the interior of the shank with the maker's mark 'GRIMA', and the 18 ct gold fineness mark (750).

This impressive vintage opal ring is supplied with an independent diamond grading report card.


The brand 'Grima', created by Andrew Grima revolutionised jewellery in the early 1960's. By the mid 1960's he was the Royal and society jeweller of the day.

Grima is recognised as one of the great jewellery designers of the 20th Century. His work can be viewed in the collections of Worshipful Company of Goldsmiths, and at the Victoria & Albert Museum.

Today, a limited collection of twenty to thirty pieces is crafted each year, due to the unique skill required to make these pieces.

This stunning, fine and impressive Grima opal and diamond cocktail ring is therefore a highly collectable and extremely rare item of jewellery.

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 opal jewellery at AC Silver

Maker: Grima

This stunning vintage Grima ring with opal and diamonds is exceptional quality set with a opal, displaying a scintillating play of colour and very well colour matched, very high colour graded diamonds, displaying a fine white colour and brilliance.

The ring is an exceptional gauge of gold and is in exceptional condition with clear hallmarks to the interior of the shank.

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

Cut Oval Cabochon

Content 5.94 carats

Dimensions 14.08mm x 10.91mm x 7.78mm

Colour (average grades) E

Clarity (average grades) VS2

Cut Square/Emerald

Content (total) 6.55 carats

Length of Setting 2.25cm/0.89"

Width of Setting 1.83cm/0.72"

Height of Setting 1.07cm/0.42"

UK Size O 1/2

USA Size 7 1/4

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

20.15 grams

Proud Members of

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