Opal Cabochon Rings

The gem at the centre of the "Contrarian" opal ring is an exquisitely unusual black opal (10.97ct) from Lightning Ridge in Australia. It showcases a rare natural marriage of two colo...

The impressive and opulent Ta Prohm boulder opal ring (7.43ct) is a piece that carries the ancient wisdom of the most revered temple in Angkor, Cambodia. The ring’s gorgeous opal gem...

Ring is easily sizable. One (1) Opal Shape: Cabochon Carat: 13.05 approximately Sixteen (16) Diamonds Shape: Round Brilliant Size: 0.20-0.30 carats (each) Color: F-G C...

14k yellow gold cabochon cut Mexican fire opal ring. 2.8dwt. Size 8

Retro opal ring in 14 karat rose gold. Vintage ring centered on a cabochon-cut opal in an openwork gold bezel decorated with scrolls.

This oval cut opal is set in a laurel leaf border with one diamond on each shoulder. Ring size N

Phenomenal Mexican Opal Pear Cabochon Diamond Halo Ring Center Stones: Mexican Opal Pear Cabochon Stone Carat Weight: 30 Carat Side Stone: Round Diamonds Stone Carat Weight: 0.9...

Yellow gold ring set with a fire opal cabochon and small baguette and brilliant diamonds.

Platinum 7.5 ct Black Opal Cabochon Diamond Ring Size 6.25 Gorgeous Platinum Cocktail Ring Features Gorgeous Black Opal Cabochon with Diamond Halo Appx Dimensions of Opal = 18.4 x 1...

The design is spectacular and it weighs a hefty 12.86 grams. It's a one-of-a-kind ring. It has one oval cabochon cut fire opal measuring approximately 14.5x10.5x7.6mm, estimated we...

A halo of eighteen Round Cabochon opals, each gauged at approximately 2.4mm, add additional elegance to this unusual cocktail ring.

Beechcroft is a bold Retro era (circa 1940) 18k white and yellow gold cocktail ring sure to make a statement! This vintage stunner centers an unusual Contra Luz Marquise Cut Cabochon...

With a perfect size, it will fill with your daily elegant outfits.  Faceted oval peridot set on a design jewelry art work. • 925 Sterling Silver • Natural Ethiopian Opal, 1.4 x 1.0...

Cabochon-cut Pink Opal ring, with pave diamond accents, split shank, set in 18K rose gold.

Willow Tree is bright and bold Victorian era (circa 1890) 10k yellow gold ring centering a large white Oval cabochon opal gauged at 9.85mm x 7.75mm.

One of a Kind Opal Elegance: A Ring Beyond Compare. Indulge in opulence with this truly exceptional one-of-a-kind ring featuring an East-West oval cabochon opal cut.

Cabochon-cut Pink Opal ring, with bezel-set diamonds, set in 18K yellow gold.

At its heart lies a captivating semi-transparent opal cabochon, measuring approximately 5mm in diameter.

A spectacular vintage cluster ring crowned with a natural cabochon fire opal weighing approx. 1.75ct, haloed by fourteen bright brilliant cut diamonds and two baguette cuts.

A very special Opal ring set in 18k gold with a diamond on the side.

Crafted in 18k gold, this ring features an 8ct opal cabochon held within a four-prong clawed setting.

This 1960s Mid Century vintage opal ring is crafted with 950 sterling silver and features a very large and unique boulder opal. This unique opal ring would make a great birthday gift...

Handmade in 9 karat rose gold, this ring has an oval shaped Peruvian pink Opal cabochon, six Rubies: two of then oval cabochons, two of them faceted pears and 2 faceted rounds .

A glorious antique Edwardian carved half hoop ring adorned with a trilogy of natural opal cabochons displaying a kaleidoscope of vibrant colours that dance across the surface.

In this Victorian cluster ring from 1890, the two central cabochon cut opals seem to just keep on duplicating.

Circa 1920. This lovely Art Deco ring features a cabochon-cut 1.40 carat opal bezel-set in platinum.

A spectacular Vintage cluster ring adorned with six natural cabochon Opals which boast a shimmering rainbow of colours and weigh 0.50ct each (approx. 3ct total).

Chic, Unique yet Timeless Contemporary Cocktail Ring featuring a Natural 4.2Kt Rose Opal Round Cabochon surrounded by 1.35Kt Natural Vivid Pink Sapphire in an elegant Rose Gold Setti...

Australian Solid Opal Signet Ring, 8.40 Cts surrounded by white diamonds and set in 18K yellow gold White Diamond Ring, 0.22 Cts 18K Yellow Gold, 11.30 Grams *Free Shipping

A remarkable antique Edwardian cluster ring built around a natural deep orange coral cabochon bezel set in the centre of a halo of twinkling rose cut diamonds (approx. 0.80ct total)....

Cabochon opal ring. Ref: G15007 9mm x 6mm natural opal 22ct gold Cadby & Co are a family business that specialise in reusing & up cycling old cut diamonds and fine gem stones.

Ridge ring with a dreamy opal. A cocktail ring or for everyday. 14x10mm cabochon. 14K gold plated.

Gemstone Black Opal: 6.18 Carat Diamond: 2.83 Carat Metal: 900 Platinum Discover the mesmerizing allure of the Enchanted Twilight Opal Ring, a perfect blend of beauty, ra...

Details at a glance: Condition: Pre-owned – Good Seller’s note: Very good condition, few signs of wear Product type: Ring Purity: 14 karat Shape: Oval Metal: Yellow gold Base metal:...

A grand antique Edwardian carved half hoop ring adorned with three natural opal cabochons weighing 1ct in the centre, 0.70ct on either side (approx. 2.4ct total).

Deep dark and rich, this solid black opal is a standout. Set in a classic styled solid platinum 950 ring with accent brilliant white diamonds. It shows the reds and oranges which are...

This beautiful Edwardian platinum-topped 14KT yellow gold ring features a stunning 8.00 carat bezel-set cabochon white opal, displaying a gorgeous green and orange play of color. 26 ...

A very special ring made for that very special occasion - one where your heart is given with all the love you have to give. An Australian opal with rich, bright colours that beam in ...

Sophisticated yet minimalistic in its design, this amazing solid platinum ring sports a stunning solid Australian dark Crystal Opal and two large brilliant white diamonds. Red is the...

Cluster ring composed of a delicate platinum mounting (hallmark: mascaron), which is adorned in its center with a superb Australian opal cabochon weighing approximately 6.70 Cts, in ...

One-ladies gold ring with 5 x cabochon cut Noble Opals and 8 x old cut diamonds.

Pear shaped Mexican cantera fire opal ring. Cabochon hand set in a 22K gold bezel, with a sterling silver back and band.

A colourful natural black Opal (11cts) is surrounded by 22 Diamonds (1.32cts). The total size of the cluster is 25X10mm in a handmade 18K yellow and white gold ring. The ring is ha...

Pear-shape Cabochon-cut Pink Opal ring, with diamond halo, split diamond shank, set in 18K rose gold.

A spectacular vintage cocktail ring built around a spellbinding natural opal at its heart. It weighs approx. 12ct and displays a rainbow of vibrant colours dancing under the surface....

A fashion favorite one-of-a-kind Peruvian Pink Opal set in yellow gold statement ring. The gem quality pink cabochon is simply set with double gold bezel.

An 18k Yellow Gold ring with a bezel set 8 carat pipe-variety boulder opal. This ring was designed and made by llyn strong.

Natural Beauty 15 Carat Opal with 2 Carat Diamond Ring Center Stones: Opal Stone Carat Weight: 15 Carat Stones: Diamond Stone Shape: Round Stone Carat Weight: 2 Carat Material: ...

Art Deco cluster opal ring in platinum. This antique cluster ring features a central cabochon-cut opal set in a close setting, surrounded by twelve old-cut diamonds.

Australian Oval cabochon cut Opal, featuring an elegant thirty-six round brilliant cut diamonds, complemented by a stunning polished finish design.

Absolutely stunning 7.00ct natural black opal ring with lots of green, blue and orange broad flash play of colour. The black opal gauges 18.90 x 11.00 x 6.00mm. It is bezel set and s...

The center of the centerpiece features 3, prong-set opal cabochons running vertically down the front of the ring.

A Princess Bride couldn’t ask for more. This amazingly beautiful Platinum ring is cantered with a rich and vibrant Lightning Ridge crystal opal and surrounded by no less than 52 high...

Bochic “Orient” Vintage Natural Diamond & Fire Opal Ring Set In 18K Gold & Silver Natural Fire Opal - 9.50 Carat Natural Round Brilliant Cut Diamonds 2.00 Carat This Ring...

Step back in time with this exquisite vintage Cartier pendant, a true gem from the 1970s. Crafted in 18K yellow gold, this pendant features a captivating fire opal, bezel set to perf...

A fabulous 18 x 25 mm pear shaped cabochon Brazilian indicolite tourmaline is set within a one of kind Steven Battelle design. Indicolite blue tourmaline is the rarest and most soug...

Made to order* Custom made 18ct yellow gold rainbow sapphire ring featuring a Lighting Ridge Australian Black opal centre surrounded by a double halo of rainbow sapphires including ...

Amazing 18 Karat white gold cocktail ring. Handmade by our craftsmen and assembled with Australian opal and diamonds. Diamonds weight 0.80 karat Opal weight 6.96 karat Ring total we...

A beautiful ring featuring a 1.21 Carat, Natural, Australian Black Opal and 0.57 Carats of Diamond Accents set in Platinum. The Opal displays very good play of color! Opals are known...

14 kt solid gold ring with natural opal, diamonds and peridots. October birthstone ring. 14k solid gold Weight: 2.5 g. depends from size Central stone: Natural opal Cut: Oval caboc...

18 Karat yellow gold toggle necklace featuring a brushed finish motif link weighing 79.8 grams, with two Cabochon Rubies on the lock. A very nice weight to this necklace. Links Measu...

This AUTHENTIC Victorian OPAL and DIAMOND Ring will certainly pick your Imagination. Was it a nineteenth century promise ring of sorts? A gift to mark a special occasion? Whatever th...

Dalben design 18k rose gold satin finishing ring with a 10,35 carat bezel-set oval shape magnificent Coober Pedy Australian crystal opal . This wonderful Australian Opal have a kal...

An automatique Ceinture large wrist-watch designed by Cartier. This is the rare large model of the Ceinture automatique wristwatch, created in Paris France by the jewelry house of C...

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 - opal, black with color play, o...