Black Diamond Cabochon

Andreoli Colombian Cabochon Emerald Black Diamond Yellow Sapphire Cocktail Ring This Andreoli ring features a 14.53 carat vivid green Colombian dome shaped cabochon Emerald.

Expand your jewelry collection to a new level of opulence with our 18K yellow gold Opal earrings. The center of each earring holds a mesmerizing Italian Coral totaling to 8.98 carat...

18K Yellow Gold Art-Deco style Ring featuring Black Onyx inlay and Diamonds. Split Shank. Finger size 6.5, adjustable upon request/quote. The Gatsby collection from Doves by Doron Pa...

Australian white south sea pearl 12.4mm. Ruby cabochon are traditional heated 6.78CT, Brilliant cut natural diamond in E/F colour, VS clarity total weight 1.348CT.

The star of the black spinel and diamond enhancer is a beautiful cushion cut large black spinel cabochon weighing 10.84 carats.

Surrounded by a halo of 22 round brilliant cut white diamonds weighing a total of 1.04 carats, claw set in white gold and then surrounded by an additional halo of 24 claw set Black S...

This modern handmade British-London Hallmarked 18 karat yellow gold earrings, set with black diamonds and natural high quality Turquoise with detachable 18 karat yellow gold charm (w...

Large oval cabochon Aquamarine set in 17.6 grams of blackened white gold (black rhodium) and surrounded in a halo of black diamonds that have a total carat weight of 0.64 carats.

Beautiful Pair of 18k Gold, Black Onyx, Coral, and Diamond Pendant Earrings Gross Weight: 28.3 grams Dimensions: 2-3/4" x 3/4" Overall Condition: Very Good. Marked "750" Featured in ...

These Black Onyx Cabochon and Diamond stud earrings are really versatile as the diamond surround can be removed to reveal only the black onyx cabochon stud earrings.

Art-Deco Style Cocktail Ring featuring Cabochon Oval Malachite, Black Onyx Inlay, and diamonds set in 18K yellow gold.

One lady's black opal and diamonds bracelet in 14k yellow gold.

Puck Eigenmann is not afraid to use new material combinations like with this ring. For Puck the beauty and sustainability of material is key to her choice in them. This unique Eigenm...

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...

A gorgeously crafted one of a kind piece in solid 14K yellow gold featuring a fossilized fish stone with black diamonds. This piece is comprised of a 15x7mm fossilized ancient wrasse...

When you are looking for something completely unique as well as beautiful, look no further. With almost a carat of brilliant white diamonds and that gorgeous blue-green black opal, t...

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 ...

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...

ANANYA CELESTE LAYERED EAR JACKET EARRINGS SET WITH BLACK DIAMONDS, BLACK ONYX, PEARLS AND DIAMONDS Set in 18K White gold Total diamond weight: 0.92 ct Color: F-G Clarity: VVS1 ...

What an amazing black boulder opal we have here. Bright reds, greens and blues in this bespoke pendant setting. 18K solid gold and high jewellery grade diamonds add to the collectors...

Stone Details: 31.07ct cabochon green tourmaline, a split band, 1.4ct ghsi white diamonds, .41ct black diamonds

Stone Details: 31.07ct cabochon green tourmaline, a split band, 1.4ct ghsi white diamonds, .41ct black diamonds

Rare it is to find two black opals that match. These beautiful stones have been cut from the same large opal, giving a matching pair of deep red flashes. Black opal with red is the r...

A beautiful flagstone pattern solid Australian Black Opal set in solid 18K gold and accented with brilliant white diamonds. A ring for every occasion and perfect to be worn daily. Hi...

Jewellery is wearable art and this stunning ring is no exception. With its high-domed solid black opal displaying bright flashes of red, orange, purples, greens and blues, it is a tr...

-14ct Yellow Gold Approx 13gms -53 x Micro-Pave Set Round Brilliant Cut Black Diamonds Approx 0.36ct -Black Webbed Kingman Turquoise -Finger Size Re-Sizeable Upon Purchase (This Spec...

These lovely black opal and diamond screw-back earrings are just adorable. Elegance mixed with practicality, perfect for everyday wear and equally suited to go with your favourite wo...

The bright opal in this piece is simply stunning. Surrounded by high jewellery grade diamonds and set in solid 18K yellow gold, it makes the opal pop with all its colourful glory. Th...

Redefining classics is a strong design influence for the team at Gryffin Opal. Our goal is to give new and modern pieces a classic feel while retaining their fresh appeal. This beaut...

The deep blues shimmer in this Australian Black Opal like glowing flashes of an evening ocean. The brilliant white diamonds sparkle in the light, reflecting in the high polish of the...

A beautiful solid Black Opal with a bright red flash with greens and golds. Set in 18K rose gold, with sparkling white diamonds, this lovely pendant will be treasured and loved by wh...

A dark red on black is the most sought after colour combination in all opal. This opulent pendant holds a freeform shaped black opal surrounded in 18K yellow gold and high jewellery ...

When you like your opal dark but the colours vivid, here is your ring. Timelessly designed, this 18K solid gold ring features a black opal and six brilliant white high jewellery grad...

When words are not enough, this ring says it all. Such an amazingly beautiful Solid Black Opal set in 18K gold and with over 1.2ct of high jewellery grade brilliant white diamonds, t...

High cabochon Black Opal is already seldom found, but one with such rich colours and pattern is on another level.

This hand-selected free-form cabochon stone is bezel set on a statement setting framed by rich and shiny round brilliant cut black diamonds that are pave set on a raised basket setti...

Some rings are cute, others are elegant, but some are meant for a queen. A black opal direct from the mysterious outback of Australia, surrounded by brilliant white diamonds in a pla...

An amazing bright green black opal with a sparkling blue, what a stunning stone. It shows a bright and clean colour from any angle you view. Set in solid 18K gold and platinum, accen...

It is a very bright stone and fits perfectly with the bespoke 18K solid gold and platinum ring with brilliant white diamonds. A high cabochon stone that shows colours from all angles...

To say this stone is vivid is an understatement. The blue and greens are so intense you will find yourself lost in their beauty. Solid 18K gold ring with a magnificent blue-green sol...

Art Deco is always in style. It represents symmetry and balance using geometry as its guide. Timeless beauty showcasing the magnificence of solid Australian Black Opal, sparkling whi...

18K white gold pendant chain earrings set with Six rutilated quartz, six black diamonds facetted beads and two diamonds; Earrings systems : Alpa system 18K white gold Rutilated quar...

The rich, vivid colours in this black opal ring are outstanding. You can put it alongside any gem-grade black opal and it will hold its own with its deep reds and oranges, blues and ...

This classical elegant high jewellery grade diamond ring features a black opal with blues, greens, and oranges. Set in no less than 18K solid gold and platinum, it's a true heart-sto...

Highly sought after flagstone pattern in a Black Opal, direct from the outback. A very beautiful setting, 18K solid gold and high jewellery grade diamonds give this sexy stone a litt...

A cute ring centred with a bright blue-green black opal and for some extra bling two brilliant white diamonds of high jewellery grade. This ring will certainly turn heads. Bright and...

A truly timeless piece, the Opal Blossom, was created in the 1930s. This spectacular piece is a pendant and also a brooch. Centred with a heart of 17.7ct black opal and set in an 18K...

Elegant and sophisticated, this stunning solid 18K yellow and white gold ring features a mystical solid Australian Black Opal with shimmering orange, yellow, blues and greens that ta...

One of our personal favourites, this amazing opal with its bright and rich reds and blues is truly stunning. A magical stone that almost swirls with colour as you look upon it. Set i...

One lady's black opal with a multi-color fire color. Average saturation scale with flash fire pattern.

A beautiful watermelon-coloured black opal is central to this gold ring. The centre of the ring is made of solid 18K white gold and is encrusted with 34 brilliant white diamonds. The...

A one of a kind handmade serpent ring features one of the world's finest Black Opals from Lightning Ridge Australia, weighing 7.61 carats. The gem, an exceedingly rare blue/black, wa...

Lithos 18K Yellow Gold Natural Black Opal Ring. The ring has 4 full cut round brilliant diamonds. There is a total carat weight of 0.08 carats. They are of VS clarity and G color...

This amazing ring features a Precious Opal that was mined in Australia. The 2.08ct solid Black Opal displays play of colour in hues of blue and green. The setting is solid Platinum ...

A pair of gold, ruby, diamond and enamel earclips, in an oval design with outer black enamel borders, the centers containing 36 round brilliant cut diamonds weighing approximately 1...

A classic beauty from a bygone era. This magnificent black opal with its deep mysterious blues heralds from a design era when class and sophistication meant everything. Old world cha...

Fine Natural Australian Black Opal & Diamond Platinum Cocktail Ring. 1.77ct Total. An exquisite 1.06 carat Australian black opal with top play of colour. Showing bright flashes of r...

A nice sea green aquamarine 9 x 13 mm oval cabochon rests in a slightly cupped hammered 18K bezel surrounded by textured wire on a wide hammered textured 18K cigar band. This stone ...

Dalben design 18k yellow gold satin finishing ring with a 14,8 carat bezel-set oval cabochon cut Aquamarine. Ring size 7 1/4 USA - EU 55 re-sizable to most finger sizes. Bezel sto...

A long oval 10 x 20 mm aquamarine cabochon is held in an exquisitely handcrafted high-karat gold bezel surrounded by intricate "wire and jawan" granulation in this beautiful piece. A...

Aquamarine Cocktail Ring White Enamel Gold Cabochon Designer: J DAUPHIN The Aquamarine Cocktail Ring is handcrafted in 14k gold-plated brass. It features a natural oval aquamarine ...

An exquisite Australian black opal weighing 1.37 carats takes center stage in this lovely ring band. The opal, with its captivating rainbow hues, is elegantly cut in an oval shape an...

Aquamarine Dome Cabochon Ring Gold Star Cocktail Ring Designer: J DAUPHIN The Aquamarine Double Star Ring is a bold open bypass statement piece handcrafted in 14k gold-plated 925 s...

A luminous and limpid 11 x 14 mm aquamarine cabochon rests horizontally in a hand textured wide high-karat gold embrace in this wonderful piece. Beautiful organic color and shapes ...

From Emilio Jewelry, a well known and respected wholesaler/dealer located on New York’s iconic Fifth Avenue, Featuring a very special center diamond Gia Certified as Natural 4.00 Ca...

This Gorgeous Vintage Opal and Diamond Halo Ring certainly has caught my attention! Cause it is AMAZING! Crafted in beautiful Platinum, the design features a wonderful Halo of Diamon...

Nestled amidst vibrant green emeralds, the black opal ring exuded an enchanting allure. The center black opal weighs approximately 9.50 carats and is accompanied with a GIA Black, N...

This Bold Turquoise Center Unisex Ring Framed with Sparkling Zircan handcrafted ring featuring a vibrant oval shaped turquoise cabochon at its center. The rich blue hue of the natura...

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...

"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...

Emerald ring in 14K Gold which perfectly goes with your personality and also helps you to improve your creativity. Designed with emeralds and diamonds that makes it a perfect fit to ...

This statement ring features 6.53 Carat of vivid emerald cut emerald at the center, secured in a four prong 14k yellow gold setting. The emerald is framed by a halo of 0.31 carat rou...

This stunning Graduated Old Mine Diamond Riviere Necklace is a timeless piece, featuring an array of old mine-cut diamonds set in a graceful six-prong design. The diamonds gradually ...

Vintage Aquamarine Cocktail Ring 18ct Gold Stamped Circa 1920s Step back in time with this fabulous 1920s cocktail ring, a true testament to the elegance of the era. At the heart...

What a gorgeous and unique ring this is. It has a baguette red sapphire that measure 15.5 x 11.5 mm and is 14.05 carats. There are 2 diamond cut red topaz stones on either side of...

Simply Beautiful! Finely detailed Large Moonstone and Diamond Vintage Cocktail Ring. Centering a securely Hand set Cabochon Moonstone, weighing approx. 9 Carats, accented by Old Euro...