Brutalist 4 Carat Australian Opal Pear Shape and Diamond 18K Gold Ring

Vintage Australian Opal & Diamond Brutalist Ring 18K Gold

Circa 1970

A striking vintage Brutalist ring centered around a spectacular pear-shaped Australian opal, set within a sculptural freeform gold mounting. This bold, organic design reflects the artistic spirit of the 1970s, with flowing lines and textured gold that create a sense of movement and individuality.

The opal exhibits vibrant play-of-color with flashes of multiple hues, enhanced by its elongated pear shape and elevated claw-prong setting. Subtle diamond accents add brilliance while allowing the opal to remain the focal point.

Details:

Center Stone: Natural Australian opal, pear shape, approx. 4.00 carats

Measurements: 13.3 x 8.5 mm

Diamonds:

4 round brilliant-cut diamonds

Total diamond weight: approx. 0.25 carats

Quality: F–G color, VS clarity

Setting: Claw prong-set in 18K gold

Metal: Solid 18K gold, stamped

Weight: 10 grams

Ring size 6.75

Design: Textured freeform gold band in classic Brutalist style

Era: Circa 1970

Brutalist jewelry is celebrated for its bold, sculptural aesthetic and emphasis on raw form and texture. This ring is a strong example of the style, combining an organic gold structure with a vivid opal centerpiece. The contrast between the rugged gold and the opal’s luminous color creates a compelling, one-of-a-kind statement piece.