Black Opal Cocktail Rings

An oval black opal sits at the center of this platinum ring. Its dark body shows green and blue with flashes of orange and violet, and the colors shift as the hand moves. Four claw p...

Handmade in Japan by visionary jewelry artist Shinobu Marotta of Talkative Atelier, this one-of-a-kind ring is fabricated in satin-finished 22k yellow gold, featuring an extraordinar...

Black opal and diamonds ring in 14k gold. Genuine opal ring. Gold ring with opal Metal: 14k solid gold Weight: 2.4 g (depends from size) Main stone...

Captivating and rich in character, this Edwardian platinum ring showcases a luminous black opal with exceptional flashes of blue and green. Delicate butterfly motifs grace each sho...

Black opal vitage style ring in 14 karat gold. Ethiopian opal cabochon ring. October Birthstone opal ring. Multicolor opal ring. Material: 14 kara...

Stunning estate cocktail ring centering a 13.4mm rare faceted silvery black freshwater cultured pearl, accented by black opals and diamonds. 20th Century Faceted pearls...

Black opal 14k gold ring. Rainbow opal ring. Cabochon opal ring. Vintage opal ring. Ethiopian Opal Engagement Ring. Art-deco opal ring. Metal: 14k gold Weight: 2.45 g. depends fr...

Black opal, sapphires, peridots, topazs 14k gold ring. Genuine opal ring. Opal 14k gold cocktail ring. Multicolor gold ring. Metal: 14 karat gold. ...

"HRD 14K 12.87 ct Natural Color Play Black Opal Diamonds Cocktail Ring" This ring features a 12.87-carat natural black Opal with a color-play effect. It is set on the 14K white gold...

"HRD 14K 16.05 ct Natural Color Play Black Opal Diamonds Cocktail Ring" This ring features a 16.05-carat natural black Opal with a color-play effect. It is set on the 14K white gold...

Black opal multicolor ring in 14k gold. Black opal oval cabochon ring. Black gemstone cocktail ring. Metal: 14k gold Weight: 3 g, depends on size Gemstone: opal, color - black, ova...

18ct Yellow Gold Australian Black Opal & Diamond Cluster Ring  Stunning Fiery Natural Australian Black Opal 11.5mm x 8.3mm 10x Round Brilliant Cut Natural Diamonds Carat 0.70  Clarit...

Toi et Moi Gemstone Ring: White Opal and Black Opal. Perfect "You n I" Gold Birthmonth gemstones ring. Metal: 925 silver + 14k yellow gold plating over Weight: 4.2 g. depends from s...

14 Karat Yellow Gold Tanzanite, Diamond and Opal Ring Size 6.5 JAGi Certified- This stunning ring features one triangle shaped cut tanzanite (5.5 mm x 5.5 mm), five round brilliant ...

A striking cocktail ring featuring a captivating black opal weighing 8.38 carats. The opal is cut in an elegant oval shape, showcasing a mesmerizing rainbow of colors. Surrounding th...

A very gorgeous and beautiful, modern style, Australian Black Opal & Ruby Cocktail Engagement Ring set in 18K Gold, Rhodium & natural Diamonds. The weight of the Australian B...

A beautiful halo ring featuring a 2.56 Carat, Natural, Australian Black Opal and 1.68 Carats of Diamond Accents set in Platinum. The Opal displays very good play of color! Opals are ...

This elegant platinum ring centers a mesmerizing 1.73 carat oval-cut black opal displaying vivid electric green and deep blue play-of-color with exceptional contrast and movement. Th...

A beautiful ring featuring a 2.302 Carat Australian Black Opal and 0.53 Carat Diamonds made in Platinum. The Opal displays very good play of color! Opals are known for exhibiting fla...

Natural Diamond Black Opal Ring 14K Gold Cocktail Vintage This stunning vintage ring is finely crafted in solid 14K Yellow Gold (stamped and guaran...

This refined ring is crafted in sterling silver and 18K gold, set with a natural blue opal selected for its soft translucency and balanced coloration. The opal displays layered blue ...

A stunning, fine and impressive vintage 4.70 carat black opal and 1.08 carat diamond, platinum dress ring; part of our opal jewelry collection. This stunning, fine and impressive vi...

A fab Mid Century Australian black opal and diamond ring. With a fabulous play of color, flashing between electric blue and green, this captivating cocktail ring is smartly surrounde...

This tremendous ring is the first and last cocktail ring you will ever want to own. A remarkable 12.28 carat black opal surrounded by 4.16 carats of round cut diamonds and a trillion cut diamond at each shoulder. The black opal shows large and strong flashes of green and blue as well as some orange and yellows. Set in platinum heightening the elegance of the oval shaped black opal gem...

A fine antique platinum, gold, opal & diamond ring. In platinum & 18 karat yellow gold. With a basket-set 3.35± ct black opal (transparency: semi-translucent, color hue: black w/ g...

"14K 13.33 ct Natural Color Play Black Opal Diamonds Cocktail Ring" This ring features a 13.33-carat natural black Opal with a color-play effect. It is set on the 14K yellow gold ba...

A simply Gorgeous 2.35ct Australian Black Opal & Diamond Platinum ring, approx 20-30 years old. The star of the show is unquestionably the central Opal - the background colour is a m...

Genuine Original Antique from 1874 Victorian Black Opal Diamond 22K Yellow Gold Cocktail Ring Features a Genuine Natural Oval Cabochon 15 x 6.5mm Black Opal Gemstone 6 Genuine Ant...

Natural Black Opal 3.77 carats and Diamond Cocktail Ring in Platinum Black Opal and Diamond Ring features a Center Oval Cabochon Black Opal with flashes of Green and Blue play of co...

Magnificent custom handmade ring crafted in 9ct gold, designed to showcase this natural Australian solid black opal at its finest. The opal displays an incredibly vivid play of colou...

The Following Items we are offering is a Rare Important Spectacular and Brilliant 18KT Gold Large Gorgeous Black Opal Diamond Ring. Ring consists of Rare Fine Magnificent Opals surro...

GIA Certified 5 Carat + Black Opal with vibrant play-of-color takes center stage in this vintage 14K white gold ring, adorned with a dazzling halo of mixed cut diamonds. Details: It...

The Following Items we are offering is a Rare Important Radiant 18KT Gold Glistening Australian Black Opal and Diamond Gorgeous Ring. Ring features a Magnificent Rare Color Changing ...

A stunning antique 7.20 carat black opal and 0.78 carat diamond, platinum cocktail ring; part of our diverse antique estate jewelry collections. This stunning, fine and impressive a...

For she who wishes to possess only the finest examples, we offer this magnificent opal and diamond ring. Opals from the lightening ridge mine are known for their exceptional properti...

An Art Deco pear-shaped black opal ring flanked by graduated horizontal rows of alternating buff-top sapphire and emerald, in platinum. France #022715. Atw opal 3.6 cts. * Free ship...

6.31 cts. Natural Black Opal and Diamond Halo Ring in Platinum Natural Black Opal and Diamond Ring features an Oval Natural Black Opal, weighing 6.31 carats, with Royal Blue and Bri...

Indulge in a stunning Black Opal Antique Art Deco ring with a gorgeous 13.5 Carat Black Opal with radiant fire set in a 14 Karat Gold setting of great beauty. The spectacular oval o...

Natural Black Opal 2.53 ct and Diamond Cocktail Ring in Platinum Natural Black Opal Ring features a 2.53 carat Oval Cabochon Black Opal with flashes of Green, Yellow, Orange, Red, a...

A Beautiful Art Deco Black Australian Opal and Diamond Cluster Flower shaped Ring in 18K Gold Highly prized and sought after by kings, emperors, maharajas and sultans, the majestic ...

A beautiful ring featuring a 1.626 Carat Australian Black Opal and 0.98 Carat Diamonds made in Platinum. The Opal displays very good play of color! Opals are known for exhibiting fla...

A superb gem black opal from Lightning Ridge, Australia. It weighs 7.79 carats and has excellent play-of-color and fantastic brightness. Int...

GIA Certified Natural Australian Black Opal and Diamond Ring in Platinum Australian Black Opal and Diamond Ring features one natural Black Opal oval cabochon, weighing 6.45 carats, ...

Platinum Australian black opal and diamond ring. This is a natural black opal weighing .45cts and measuring about 7.7mm x 5.5mm. The opal h...

A beautiful ring featuring a 1.164 Carat Australian Black Opal and 0.60 Carat Diamonds made in Platinum. The Opal displays very good play of color! Opals are known for exhibiting fla...

An extraordinary statement ring showcasing a mesmerizing natural black opal weighing approximately 6.88 carats, displaying vivid flashes of electric green and deep blue play-of-color...

A beautiful ring featuring a 1.91 Carat Australian Black Opal and 0.58 Carat Diamonds made in Platinum. The Opal displays very good play of color! Opals are known for exhibiting flas...

A sculptural 18K yellow gold ring centered with a remarkable natural Australian Ink Opal, distinguished by its profound depth of tone and luminous internal structure. The round caboc...

Simply Beautiful! Finely detailed 1.61 Carat Australian Black Opal and Diamond Platinum and Gold Ring. Centering a securely nestled 1.61 Carat Australian Black Opal, surrounded by Di...

This spectacular Lightening Ridge Black Opal and Diamond ring features a 7.14 carat total weight black opal center with a phenomenal blue and green play of color surrounded by a dia...

Centered on a captivating 4.83 carat certified natural black opal, this striking ring displays a vivid play-of-color, with flashes of green, blue, and vibrant red shifting across the...

A breathtaking showcase of nature's finest phenomena, this estate cocktail ring is centered around an exceptional, GIA-certified natural black opal. The ring is meticulously crafted ...

14k solid yellow gold with Australian black opal. Stone weight: 1.188 carat opal Cabochon-cut 20 - 1.6mm diamonds pavè setting on halo Bezel set 9x7 Black Australian opal center sto...

GIA Certified Natural Australian Black Opal and Diamond Cocktail Ring in Platinum Australian Black Opal and Diamond Ring features a GIA certified, 6.67 carat center oval cabochon B...

--Stone(s):-- (1) Natural Genuine Australian Opal - Long Oval Double Cabochon Cut - Prong Set - Black Base / Nice Play of Colors - 3.11ct (exact) ** See Certification Details Below f...

Rendered in 18k yellow gold with a platinum top, this is an unusual and beautiful ring with enough classical style elements to make it timeless, yet plenty of interest to keep it uni...

This elegant platinum ring centers a captivating 1.00 carat oval-cut black opal displaying vivid flashes of fiery red, orange, green, and electric blue across a dark body tone. The o...

GIA certified Natural Black Opal 6.23 ct and Diamond Cocktail Ring in Platinum Natural certified Black Opal Ring features a center Oval Cabochon Black Opal with flashes of Green, Y...

Introducing the mesmerizing Magic Natural Black Opal Ivy ring, a true symbol of opulence and sophistication. This exquisite piece showcases a captivating black opal sourced all the w...

A beautiful ring featuring a 4.22 Carat Australian Black Opal and 0.66 Carat Diamonds made in Platinum. The Opal displays very good play of color! Opals are known for exhibiting flas...