South Australian Museum Shop Opal Jewellery Collection

Gerard McCabe is a local, South Australian, family business with 4 generations of experience in fine jewellery. Much of our design inspiration comes from our heritage, local stories and our environment.

“Fine jewellery is more than our business, it is truly our passion. Selecting amazing gems from around the world and telling stories through design is what we love to do” – The McCabe Family.

Gerard McCabe is Adelaide’s premier diamond jeweller and specialises in engagement rings, wedding rings and anniversary jewellery. We also develop contemporary jewellery designs featuring diamonds, coloured diamonds, pearls and natural gemstones. Our retail and online stores also stock Gerard McCabe brand watches and a collection of antique and period jewellery. Gerard McCabe stores also offer repair and restoration services and a bespoke jewellery design service.

The Opalescence Collection

The Opalescence Collection celebrates the magnificence of the opal gemstone. Available in a variety of colour hues and intensities, opal is a gem with wide appeal.

Opalescence jewellery features Coober Pedy solid opal in rings, earrings and pendants. Coober Pedy is an Opal mining town in the mid-North of South Australia and is considered the “Opal capital of the world”.

Product Information

Current Opalescence Jewellery Collection in the SA Museum Shop. Updated 15.11.23

SKU	Product Image	Details
563572		Opalescence Pendant Opal: One solid white marquise cut Coober Pedy opal. Green and Blue play of colour. Total gem weight = 0.15ct. Metal: Sterling Silver. Chain is rhodium plated sterling silver.
563574		Opalescence pendant with an cabochon marquise cut opal. Coober Pedy, transparent opal, with green, mauve and red spectral exchange. Opals: 1x white opals, total weight = 0.46ct. Metal: 925 Sterling silver. Chain is rhodium plated sterling silver.
553074		Opalescence Pendant Opals: One cabochon cut opal weight=0.22ct Metal: Sterling Silver. Chain is rhodium plated sterling silver.
563571		Opalescence Pendant Opals: One cabochon cut opal weight=0.08ct Metal: Sterling Silver. Chain is rhodium plated sterling silver.
557361		Opalescence pendant with cabochon marquise cut opals. Coober Pedy, transparent opal, with green, mauve and red spectral exchange. Opals: 3x white opals, total weight = 0.25ct. Metal: 925 Sterling silver.
557355		Opalescence Pendant Opal: Three marquise shape solid white opals. blue, green and mauve play of colour. Total gem weight = 0.32ct. Metal: Sterling Silver. Chain is a sterling silver display chain
553096		Opalescence Earrings Opals: Four cabochon cut solid opals total weight = 0.44ct Metal: Sterling Silver.
557357		Opalescence pendant with cabochon cut opals. Coober Pedy, transparent opal, with green, mauve and red spectral exchange. Opals: 3x white opals, total weight = 0.27ct. Metal: 925 Sterling silver.
557376		Opalescence Earrings Opalescence stud earrings with a pair of cabochon cut, pear shape, Coober Pedy opals, and a white gold surround. Opal: 2=0.19ct, Coober Pedy, class 1, transparent opal, with green, mauve and red spectral exchange. Metal: Sterling Silver 925
557360		Opalescence pendant with cabochon marquise cut opal. Coober Pedy, transparent opal, with green, mauve and red spectral exchange. Opals: 1x white opal, total weight = 0.54ct. Metal: 925 Sterling silver.
557371		Opalescence kangaroo pendant with an cabochon cut oval opal. Coober Pedy, transparent opal, with green, mauve and red spectral exchange. Opals: 1x white opals, total weight = 0.22ct. Metal: 925 Sterling silver.
557369		Opalescence pendant with cabochon marquise cut opals. Coober Pedy, transparent opal, with green, mauve and red spectral exchange. Opals: 2x white opals, total weight = 0.24ct. Metal: 925 Sterling silver.
557365		Opalescence pendant with cabochon marquise cut opal. Coober Pedy, transparent opal, with green, mauve and red spectral exchange. Opals: 1x white opals, total weight = 0.50ct. Metal: 925 Sterling silver.
563575		Opalescence leaf pendant with cabochon cut opals. Coober Pedy, transparent opal, with green, mauve and red spectral exchange. Opals: 3 x white opals, total weight = 0.35ct. Metal: 925 Sterling silver. Chain is rhodium plated sterling silver.
563573		Opalescence pendant with cabochon marquise cut opals. Coober Pedy, transparent opal, with green, mauve and red spectral exchange. Opals: 2x white opals, total weight = 0.24ct. Metal: 925 Sterling silver. Chain is rhodium plated sterling silver.
557362		Opalescence pendant with cabochon cut opals. Coober Pedy, transparent opal, with green, mauve and red spectral exchange. Opals: 2x white opals, total weight = 0.19ct. Metal: 925 Sterling silver.

562723		Opalescence earrings with cabochon cut solid oval shaped opals. Opal 2=0.36ct total weight, Coober Pedy, class 1, light opal, with mauve and green spectral exchange. Metal: 14ct white gold. Size: Approximately 9mm long.
562785		Opalescence pendant with one pear shape cabochon cut opal weighing = 0.23ct, Coober Pedy, class 1, light opal, with mauve and green spectral exchange. Metal: 18ct white gold, and 18ct white gold 45cm chain. Measurements: 20mm long x 5mm wide this measurement includes the bail.
562754		Opalescence pendant with one oval shape cabochon cut opal weighing = 0.47ct, Coober Pedy, class 1, light opal, with mauve and green spectral exchange. Metal: 14ct white gold, and 18ct white gold chain, 42-45cm. Measurements: 11mm long x 5mm wide this measurement includes the bail.
553077		Opalescence Pendant Opals: One cabochon cut opal weight=0.08ct Metal: Sterling Silver.
557192		Opalescence Ring with cabochon cut oval shape Coober Pedy opals. Opal: 3=0.68ct, Coober Pedy, class 1, transparent opal, with green, mauve and red spectral exchange. Metal: 14ct yellow gold.
557363		Opalescence pendant with cabochon marquise cut opals. Coober Pedy, transparent opal, with green, mauve and red spectral exchange. Opals: 2x white opals, total weight = 0.24ct. Metal: 925 Sterling silver.
562768		Opalescence Ring with one cabochon cut, marquise shape, Coober Pedy opals set in white gold. Opal: 5=0.77ct, Coober Pedy, class 1, light opal, with green, mauve and red spectral exchange. Metal: 14ct white gold.
563407		Opals: 2=0.21ct total weight, solid pear shape opals. Coober Pedy, class 1, light opal, with mauve and green spectral exchange. Metal: 14ct white gold. Size: Approximately 18mm long and 6mm wide.
563402		Opalescence pendant with one oval shape cabochon cut opal weighing = 0.21ct, Coober Pedy, class 1, light opal, with mauve and green spectral exchange. Metal: 18ct white gold Measurements: 13mm long x 9mm wide this measurement includes the bail. Chain: 18ct white gold, fine trace chain. Adjustable length: 42 - 45cm.
563412		Opals: 2=0.60ct total weight, solid oval shape opals. Coober Pedy, class 1, light opal, with mauve and green spectral exchange. Metal: 14ct yellow gold. Size: Approximately 15mm long and 10mm wide.
563409		Opalescence earrings with cabochon cut solid marquise shape opals. Opal: 2=0.21ct total weight, solid marquise shape opals, Coober Pedy, class 1, light opal, with mauve and green spectral exchange. Diamonds: 24=0.20ct total weight. Metal: 14ct white gold. Size: Approximately 18mm long.
563364		Opalescence Ring with cabochon cut pear shape opal in a gold twisted split band. Opal: 0.40ct total weight, Coober Pedy, class 1, light opal, with green, mauve and red spectral exchange. Metal: 14ct yellow gold. Finger Size: N 1/2.
563368		Opalescence pendant with three cabochon cut, oval shape, Coober Pedy opals set in yellow gold. Opals: 0.37ct total weight, Coober Pedy, class 1, light opal, with green, mauve and red spectral exchange. Metal: 14ct yellow gold. Pendant length: Approx 18mm long. Chain: 18ct yellow gold, fine trace chain. Adjustable length: 42 - 45cm.
563371		Opalescence pendant with one cabochon cut, oval shape, Coober Pedy opal, and one Round Brilliant cut Diamond set in yellow gold. Opals: 0.27ct total weight, Coober Pedy, class 1, light opal, with green, mauve and red spectral exchange. Diamond: 1=0.01ct G/SI. Metal: 18ct yellow gold. Pendant length: Approx 20mm long. Chain: 18ct yellow gold, fine trace chain. Adjustable length: 42 - 45cm.
563406		Opalescence earrings with a cabochon cut solid pear and marquise shape opals. Opal 4=1.28ct total weight, Coober Pedy, class 1, light opal, with mauve and green spectral exchange. Metal: 14ct white gold. Size: Approximately 25mm long and 6mm wide.
563374		Opalescence pendant with one marquise shape cabochon cut opal weighing = 0.27ct, Coober Pedy, class 1, light opal, with mauve and green spectral exchange. Metal: 18ct white gold Measurements: 18mm long x 10mm wide this measurement includes the bail Chain: 18ct yellow gold, fine trace chain. Adjustable length: 42 - 45cm.
563501		Opalescence Earrings Opals: two cabochon cut solid opals total weight = 0.73ct Metal: Sterling Silver.
563581		Opalescence pendant with claw set cabochon marquise cut opal. Coober Pedy, transparent opal, with green, mauve, and red spectral exchange. Opals: 1 x Light opal, total weight = 0.11ct. Metal: 925 Sterling silver. Chain is rhodium plated sterling silver.
563582		Opalescence pendant with an cabochon marquise cut opal. Coober Pedy, transparent opal, with green, mauve and red spectral exchange. Opals: 1x light opal, total weight = 0.16ct. Metal: 925 Sterling silver. Chain is rhodium plated sterling silver.
563585		Opalescence pendant with claw set cabochon marquise cut opal. Coober Pedy, transparent opal, with green, mauve, and red spectral exchange. Opals: 3 x Light opal, total weight = 0.37ct. Metal: 925 Sterling silver. Chain is rhodium plated sterling silver.
563584		Opalescence pendant with claw set cabochon pear cut opal. Coober Pedy, transparent opal, with green, mauve, and red spectral exchange. Opals: 1 x Light opal, total weight = 0.24ct. Metal: 925 Sterling silver. Chain is rhodium plated sterling silver.
563583		Opalescence pendant with claw set cabochon oval cut opal. Coober Pedy, transparent opal, with green, mauve, and red spectral exchange. Opals: 2 x Light opal, total weight = 0.24ct. Metal: 925 Sterling silver. Chain is rhodium plated sterling silver.