Black Diamond Cabochon

Art Deco black opal and diamond ring. Set to centre with an oval cabochon natural black opal in an open back rubover setting with an approximate weight of 2.75 carats, further decora...

--Stone(s):-- (1) Natural Genuine Australian Opal - Oval Double Cabochon Cut - Prong Set - Black Base / Nice Play of Colors - 1.73ct (exact) ** See Certification Details Below for Co...

A simply stunning 11.71ct Australian Black Opal & Diamond Platinum ring, approx 20-30 years old. The star of the show is unquestionably the magnificent and immense central Opal -...

--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...

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...

The Labradorite Snake Earrings are a mesmerising expression of transformation and intuition, crafted in 18K yellow gold. Each earring forms a sinuous serpent, its body coiled in a gr...

Platinum black onyx and diamond pendant with 14K white gold fancy Deco link chain. The center European cut diamond measures about 3mm and weighs .14cts. There are 26 small round mine...

Setting Style: Solitaire with accents Setting Material: 18K Yellow Gold / 7.5 Grams Main Stone: Natual Opal Weight: 5.71cts Measurement: 13.0x12.0mm Shape: Oval Cabochon Cut: Solid ...

This gorgeous contemporary ring showcases the mesmerizing beauty of natural black opal, meticulously crafted in rich 18kt yellow gold and featuring a captivating 6.05-carat cabochon ...

Materials: 14k gold plated brass with black enamel Gemstone: Moonstone cabochon with a diamond accent Color: Gold, black, white Design: Round bangle with a heart shaped moonstone ...

Black Opal 14K white gold earrings opal origin - Australia opal weight - 2.43 carats earring weight - 4 grams stone measurements - 0.12 x 0.24 x 0.31 in / 3 x 6 x 8 mm We ship ou...

Black opal and diamond cluster ring. Set to centre with an oval cabochon natural black opal in an open back claw setting with an approximate weight of 13.00 carats, flanked by two re...

Amethyst Bracelet Black Enamel White Diamond Bangle Gold Designer: J DAUPHIN The Amethyst Bangle is handcrafted in 14k gold plated brass and finished with hand painted black enamel...

Black Opal 14K white gold earrings opal origin - Australia opal weight - 2.43 carats earring weight - 4.02 grams stone measurements - 0.12 x 0.24 x 0.31 in / 3 x 6 x 8 mm We ship...

Natural Black Opal and Diamond Ring in Platinum Black Opal and Diamond Ring features one Natural Oval Cabochon Black Opal weighing 2.36 carats with Blue and Green play of color on a...

--Stone(s):-- (1) Natural Genuine Opal - Oval Cabochon Cut - Prong Set - Black Base / Nice Play of Colors - 5.22ct (exact) ** See Certification Details Below for Complete Info ** Nu...

Black star sapphire and diamond gentleman’s gold ring, 1960s. * ABOUT THIS ITEM: #R-DJ1013B. Scroll down for detailed specifications. The black star sapphire and diamond ring exud...

--Stone(s):-- (1) Natural Genuine Opal - Oval Cabochon Cut - Prong Set - Black Color w/ Wonderful Play of Blue & Green Colors - 15.08 x 10.89 x 5.06 mm / 5.31ct (exact - stamped) **S...

A fine and natural opal from Australia. It weighs 5.91 carats and has excellent play of color. As you turn the stone large flashes of green and blue will appear and completely cover ...

Cast from sterling silver, these stud earrings are hand set with 2.0 carats turquoise, .88 carats black onyx and .29 carats of shimmering pave diamonds. FOLLOW MEGHNA JEWELS storef...

It offers bold finger covered on top and is set with a cabochon cut black star sapphire complemented by a diamond on either side of it.

Crafted in platinum and stamped PT900, the design centers on a mesmerizing 2.55-carat oval cabochon black opal, measuring 12.30 x 8.81 x 4.10 mm.

Cabochon Aquamarine 12.08 carats, White Sapphire 1.58 carats, Black Diamond 0.63 carat and Diamond 0.53 carat Ring set in 18 Karat White Gold Settings Width: 1.3 cm Length: 1.3 c...

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, ...

--Stone(s):-- (1) Natural Genuine Opal - Oval Cabochon Cut - Claw Prong Set - Black Color w/ Amazing Play of Orange, Green & Blue Color - 8.99 x 7.01 x 3.64mm / 1.43ct (exact - certi...

--Stone(s):-- (1) Natural Genuine Opal - Oval Cabochon Cut - Prong Set - Black Color w/ Amazing Play of Green & Blue Color - 13.98 x 8.24 x 4.57mm / 3.01ct (exact - certified) **See ...

18 K white Gold Starfish Ring featuring 16 Moonstone Cabochons weighing 5.13 ct, framed by 134 black Diamonds with a tortal weight of 1.51 ct.

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.

Cabochon Aquamarine 11.67 carats, Black Diamond 0.72 carat and Diamond 0.36 carats Ring set in 18 Karat White Gold Settings Width: 2.1 cm Length: 1.3 cm Ring Size: 53 Total Weig...

Stunning Australian Black Opal Oval Cabochon Halo design ring with Diamond accents.

Stunning Australian Black Opal Oval Cabochon Halo design ring with Diamond accents.

Natural Diamond Black Opal Ring 14K Gold Cocktail Vintage This stunning vintage ring is finely crafted in solid 14K Yellow Gold (stamped and guaranteed), and it is set with genuine ...

--Stone(s):-- (1) Natural Genuine Opal - Oval Double Cabochon Cut - Half Bezel Channel Set - Black Color w/ Very Bright & Lively Play of Colors - 2.34ct (exact - stamped) **See C...

The center stone is a natural double-cabochon black opal weighing 2.83 carats, measuring 12.93 x 8.93 x 3.69 mm.

--Stone(s):-- (1) Natural Genuine Opal - Oval Cabochon Cut - Prong Set - Black Color w/ Very Nice Play of Red & Orange Colors mosaic Pattern - 10.98 x 7.56 x 3.46mm / 1.72ct (exact -...

--Stone(s):-- (1) Natural Genuine Opal - Oval Cabochon Cut - Prong Set - Black Color w/ Amazing Play of Purple, Green & Blue Color - 10.57 x 8.61 x 4.11mm / 2.34ct (exact - stamped) ...

Blue Star Sapphire 13.68 carats with Diamond 1.86 carats and Black Diamond 0.40 carat Ring set in 18 Karat White Gold Settings Width: 2. cm Length: 2.1 cm Ring Size: 55 "Since we ...

* DESIGN CONCEPT--- This ring is made with high-quality genuine Burmese black jadeite jade. The black jadeite actually shows the emerald green color under the light and is transluce...

With a basket-set 3.35± ct black opal (transparency: semi-translucent, color hue: black w/ green, blue, & yellow, saturation: strong) oval cabochon surrounded by 6 single cut diamonds.

Reflections in photographs may detract from the true representation of this fine example of vintage jewellery/estate jewelry. Opal Quality Colour Black Cut Cabochon Content 2.02 car...

A simply Gorgeous 4.98ct 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 captivating pendant showcasing a vibrant black opal, weighing 3.51 carats, surrounded by 1.01 carats of round-cut white diamonds. The opal's play of color is mesmerizing, set in lu...

MUST SEE OPAL IN PERSON --Stone(s):-- (1) Natural Genuine Opal - Elongated Oval Cabochon Cut - Prong Set - Black Color w/ Wonderful Play of Color - 12.65 x 7.29 x4.49 mm / 2.57ct (ex...

This enchanting 18K white gold pendant centers on a captivating 4.50-carat pear-shaped cabochon black opal, showcasing a vibrant play of color.

Art Deco black opal and diamond ring. Set with a marquise shaped cabochon natural unenhanced black opal in an open back claw setting with an approximate weight of 3.53 carats, encomp...

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...

Jade 53.85 carats with Black Diamond 0.60 carat and Diamond 0.22 carat Pendant/ Brooch set in 18 Karat White Gold Settings (chain not included) Width: 3.1 cm Length: 58 cm Total ...

This striking vintage ring is crafted in 10k brushed yellow gold, offering a warm, textured finish that enhances its bold design. At the center, a captivating oval cabochon star sapp...

This stunning Fiery blue Black Opal ring was inspired in a  Diamond Halo and crafted in platinum. Featured in the center is an incredibly alive Fiery genuine natural  Opal measurin...

Black Star Sapphire 2.99 carats, Brown Diamond 0.59 carat with Diamond 0.26 carat Earrings set in 18 Karat White Gold Settings Width: 1.10 cm Length: 1.40 cm Total Weight: 6.35 ...

This ring was designed and made by well known designer Victor Velyan. It features a single Black Opal weighing 5.13 carats is accented by 0.34 carats of fully faceted, round brillia...

A beautiful ring featuring a 1.74 Carat Australian Black Opal and 1.06 Carat Diamonds made in Platinum. The Opal displays very good play of color! Opals are known for exhibiting flas...

This gorgeous cocktail ring features a stunning 1.28 carat black opal set in platinum with brilliant white diamonds. The opal is a bright and lively gem with strong play-of-color tha...

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 fine vintage gold, opal, sapphire, and diamond pendant. In 18 karat yellow gold. With a large ca. 44.00± ct carved cushion shape black opal carved with a horse's head in profile.

Lapis Lazuli Diamonds earrings in 18-carat black gold. This pair of earrings consists of a cabochon-shaped lapis lazuli mounted on an articulated 18-carat black gold hanger.

A stunning, fine and impressive antique 1.27 carat cabochon black opal and 0.70 carat diamond, platinum trilogy ring; part of our diverse collection of black opal jewelry.

Stunning Australian Black Opal Oval Cabochon Halo design ring with Diamond accents.

Rossella Ugolini bee pin brooch handcrafted in 18k yellow gold white diamonds, black diamonds and round Cabochon cut Green Tourmaline .

14K gold ring with Black opal and diamonds opal origin - Australia opal measurements - 0.079 х 0.16 х 0.28 in / 2 х 4 х 7 mm opal weight - 0.71 carats ring size - 7 US ring weight ...