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18ct Black Opal

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La Estrella - 0.916 ct Halo Trillion Diamond Black Opal Engagement Ring 18K
Located in Suwanee, GA
La Estrella - 0.916 ct Halo Trillion Diamond Australian Black Opal Engagement Wedding Ring 18K
Category

2010s American Artist Engagement Rings

Materials

Black Opal, Opal, Diamond, 18k Gold

Natural Australian 3.82 Ct Black Opal Diamond Engagement Ring 18K White Gold
By Renata Bernard
Located in Sydney, AU
The ‘Gabriella’ opal engagement ring features a gracefully elegant black opal (3.82ct) sourced from
Category

2010s Australian Contemporary Engagement Rings

Materials

Diamond, Opal, Black Opal, 18k Gold, White Gold

18ct White Gold Opal and Black Onyx Earrings
Located in Sydney, NSW
Oval cabochon cut Opals, crafted with Eighteen Karat white gold and black onyx, featuring a
Category

2010s Australian Contemporary More Earrings

Materials

Onyx, Opal, White Gold

18ct White Gold Opal and Black Onyx Earrings
18ct White Gold Opal and Black Onyx Earrings
Free Shipping
W 0.79 in L 1.78 in
Serpent ring 18k / 7.61 ct. Lightning Ridge Black Opal/Diamond& sapphire 5.46cts
Located in Birmingham, MI
A one of a kind handmade serpent ring features one of the world's finest Black Opals from Lightning
Category

2010s American Cocktail Rings

Materials

Diamond, Sapphire, Black Opal, 18k Gold

Australian Solid Black Opal Diamond Pendant in 18ct Yellow Gold
Located in LEEDERVILLE, WA
Australian Black Opal (14.8 x 11.7 x 5.2mm) as its centre stone, showcasing the dazzling colours of the
Category

21st Century and Contemporary Australian Artisan Pendant Necklaces

Materials

Diamond, Opal, Black Opal, 18k Gold, Yellow Gold

Australian Solid Black Opal Diamond Pendant in 18ct Yellow Gold
Australian Solid Black Opal Diamond Pendant in 18ct Yellow Gold
Free Shipping
H 1.08 in W 0.6 in D 0.37 in L 11.82 in
GIA Certified Vivid Black Opal 5.19 ct Diamond Engagement Ring 18K Yellow Gold
Located in Suwanee, GA
. ---------------------------------------------------------------------------------------------------- ABOUT THIS PRODUCT Solid 18K Yellow Gold Australian Black Opal: 4.35 ct 60 ...
Category

2010s Australian Artist Cluster Rings

Materials

Diamond, Black Opal, Yellow Gold

Rainbow Opal Ring in 18ct gold
Located in Brisbane, AU
Rainbow Opal ring featuring a solid black opal in the centre surrounded by a rainbow of sapphires
Category

2010s Australian Artisan Cocktail Rings

Materials

Pink Sapphire, Black Opal, Mandarin Garnet, Tsavorite, Yellow Sapphire, ...

Rainbow Black Australian Opal Ring with Sapphires and 18ct Yellow Gold
Located in Brisbane, AU
Australian Black opal centre surrounded by a double halo of rainbow sapphires including yellow, orange Ceylon
Category

2010s Australian Artist Cocktail Rings

Materials

Tsavorite, Black Opal, Yellow Sapphire, Sapphire, Opal, Diamond, Yellow ...

8.98 ct Opal Dangle Earrings With Black Enamel & Diamonds In 18k Yellow Gold
By Artisan NYC
Located in New York, NY
18KT:12.178g,D:0.96ct, OPAL:8.98ct,Meen:0.08g,
Category

21st Century and Contemporary Indian Contemporary Dangle Earrings

Materials

Diamond, Opal, 18k Gold, Yellow Gold, Enamel

Natural Australian 3.43 Ct Boulder Opal Pendant Necklace in 18k Yellow Gold
By Renata Bernard
Located in Sydney, AU
Mysterious and ravishing is the wearer of the 'Sonata' opal pendant set in graceful 18K gold and is
Category

2010s Australian Contemporary Pendant Necklaces

Materials

Diamond, Opal, Black Opal, Yellow Gold

Contemporary 18ct Yellow Gold Semi Black Solid Opal And Diamond Ring
Located in NEW TOWN, AU
Dating to around the 1970’s to early 1990’s this incredible large semi black solid Opal and diamond
Category

Late 20th Century Australian Contemporary Solitaire Rings

Materials

Diamond, Opal, Yellow Gold

18ct White Gold Opal and Diamond Ring
Located in Sydney, NSW
, complemented by a stunning polished finish design. Opal Weight: 3.80ct Opal Colour/Grade: Black Opal
Category

2010s Australian Contemporary More Rings

Materials

Opal, Diamond, White Gold, 18k Gold

12.55 Ct. Fire Opal & Pave' Diamond Designer Ring in 18K Gold by Assor Gioielli
By Assor Gioielli
Located in Honolulu, HI
12.55 carats large oval cabochon orange fire opal set in a well crafted 18k white gold ring pave' set
Category

21st Century and Contemporary Italian Modern Cocktail Rings

Materials

Diamond, Opal, Fire Opal, 18k Gold

14 Karat Black Opal and Diamond Pendant
Located in Washington Depot, CT
14 Karat Yellow Gold Black Opal and Diamond Pendant This stunning pendant features one oval black
Category

20th Century Pendant Necklaces

Materials

Diamond, Opal, Black Opal, Yellow Gold

14 Karat Black Opal and Diamond Pendant
14 Karat Black Opal and Diamond Pendant
Free Shipping
W 0.36 in L 0.71 in
Australian Solid Black Opal Diamond Dress Ring
Located in LEEDERVILLE, WA
"The Queen Of Australian Gems" Australian solid black Opal diamond ring set in 18ct white gold
Category

21st Century and Contemporary Australian Contemporary Cocktail Rings

Materials

Diamond, Black Opal, Opal, 18k Gold

Two Tone Semi Black Opal & Fire Opal Tsavorite Diamond Necklace 18K Yellow Gold
Located in Suwanee, GA
. ---------------------------------------------------------------------------------------------------- ABOUT THIS PRODUCT Solid 18k Yellow Gold Australian Semi-Black Opal, Oval Sha...
Category

2010s American Artist Pendant Necklaces

Materials

Fire Opal, Black Opal, Tsavorite, Opal, Diamond, Yellow Gold, 18k Gold

Opal, Diamond & Emerald Pendant Necklace, Genuine Black Opal, 14K Yellow Gold
By Five Star Jewelry
Located in Austin, TX
These stunningly beautiful black opal doublets are set in polished 14k yellow gold prongs that are
Category

2010s American Contemporary Pendant Necklaces

Materials

Black Opal, Opal, Emerald, Diamond, Yellow Gold, 14k Gold

Art Nouveau Black Opal Yellow Gold Pin
Located in MIAMI, FL
crafted in 18k yellow gold and measures 2" in length. The highlight of the pin is one black opal gemstone
Category

Vintage 1980s Unknown Art Nouveau Brooches

Materials

Opal, Black Opal, Yellow Gold

Flower Design Lighting Ridge Black Opal & Crystal Opal Diamond Ring 18K Gold
Located in Suwanee, GA
. ---------------------------------------------------------------------------------------------------- ABOUT THIS PRODUCT 18K Yellow Gold Australian Black Opal, 0.28 ct Australian ...
Category

2010s American Artist Engagement Rings

Materials

Black Opal, Opal, Diamond, Crystal, Yellow Gold, 18k Gold

Black Opal and Diamond Pendant Necklace in 18k White Gold
Located in Los Angeles, CA
Gorgeous 0.91 ct. black opal ova with 0.52 ct. good quality white diamond rounds. Handmade in 18k
Category

21st Century and Contemporary Pendant Necklaces

Materials

Diamond, Opal, Black Opal, White Gold

Victorian 2.35 Carat Black Opal Solitaire Ring, circa 1900s
Located in London, GB
This awe inspiring black opal rings dates back to the Victorian era. The stunning 2.35 carat gem
Category

Antique Early 1900s Unknown Victorian Solitaire Rings

Materials

Opal, Black Opal, 18k Gold

Black Opal Oval and Diamond Pendant Necklace in 18k White Gold
Located in Los Angeles, CA
Beautiful 10.57 ct. black opal oval cabochon with 1.24 ct. good quality white diamond rounds
Category

21st Century and Contemporary Pendant Necklaces

Materials

White Diamond, Opal, Black Opal, White Gold

Black Opal and Diamond Cluster Ring in 18k White Gold
Located in Los Angeles, CA
Gorgeous 7.40 ct. black opal ovals with 1.17 ct. good quality, white, and bright diamond rounds
Category

21st Century and Contemporary Cocktail Rings

Materials

Diamond, Opal, Black Opal, White Gold

Mid-Century Black Opal and Diamond 18K White Gold Pendant
Located in Beverly Hills, CA
. Mesmerizing, vibrant, enchanting. Metal: 18K white gold Gemstone: Black Opal = 4.50 ct. Gemstone: Diamonds
Category

Vintage 1950s Pendant Necklaces

Materials

Diamond, Opal, Black Opal, 18k Gold, White Gold

Black Australian Opal Baguette Diamond Cocktail Ring
Located in LEEDERVILLE, WA
Australian gem quality solid black Opal (10.8x13.1mm) and tapered baguette diamond ring set in 18ct
Category

21st Century and Contemporary Australian Artist Cocktail Rings

Materials

Diamond, Opal, 18k Gold

Black Australian Opal Baguette Diamond Cocktail Ring
Black Australian Opal Baguette Diamond Cocktail Ring
Free Shipping
H 0.43 in W 0.79 in L 1.1 in
Hammered Finish 18K Gold Black Opal Diamond Engagement Ring
Located in Suwanee, GA
. ---------------------------------------------------------------------------------------------------- ABOUT THIS PRODUCT Solid 18K Yellow Gold Austalian Black Opal: 0.131 ct Diamo...
Category

2010s American Arts and Crafts Engagement Rings

Materials

Diamond, Opal, Black Opal, 18k Gold

Semi Black Opal Split Shank Engagement Ring Pave Setting
Located in Suwanee, GA
Solid 18K Yellow Gold Australian Semi-Black Opal, 0.74 ct 30 Diamonds: 0.108 ct Opal Body Tone: N8 Opal
Category

2010s American Arts and Crafts Engagement Rings

Materials

Opal, Black Opal, 18k Gold

Unique Semi Black Opal & Diamond Black Agate Engagement Ring 18K Yellow Gold
Located in Suwanee, GA
. ---------------------------------------------------------------------------------------------------- ABOUT THIS PRODUCT 18K Yellow Gold Australian Semi Black Opal, 0.42 ct 10 Dia...
Category

2010s American Arts and Crafts Engagement Rings

Materials

Black Opal, Opal, Diamond, Agate, Yellow Gold

Minimalist Australian Black Opal Ring 18K Yellow Gold Band
Located in Suwanee, GA
. ---------------------------------------------------------------------------------------------------- ABOUT THIS PRODUCT Solid 18K Yellow Gold Australian Black Opal, 0.97 ct Opal ...
Category

2010s American Artist Engagement Rings

Materials

Black Opal, Opal, Yellow Gold, 18k Gold

Baby Phoenix - Black Opal, Diamond, Sapphire Pendant Brooch 18K Gold
Located in Suwanee, GA
. ---------------------------------------------------------------------------------------------------- ABOUT THIS PRODUCT Solid 18K Yellow/White Gold 4.01 g Australian Semi-Black O...
Category

2010s American Arts and Crafts Brooches

Materials

Diamond, Opal, Sapphire, Black Opal, 18k Gold

Heart Shaped Semi-Black Opal Pendant Necklace 18K Yellow Gold
Located in Suwanee, GA
. ---------------------------------------------------------------------------------------------------- ABOUT THIS PRODUCT Solid 18k Yellow Gold Australian Semi Black Opal, 0.86 ct ...
Category

2010s American Artist Pendant Necklaces

Materials

Opal, Black Opal, 18k Gold, Yellow Gold

Australian Semi-Black Opal Halo Diamond Necklace 18K Yellow Gold
Located in Suwanee, GA
. ---------------------------------------------------------------------------------------------------- ABOUT THIS PRODUCT Solid 18k Yellow Gold Australian Semi-Black Opal, Oval Sha...
Category

2010s American Artist Pendant Necklaces

Materials

Black Opal, Opal, Diamond, Yellow Gold, 18k Gold

Vintage 2.02 Carat Black Opal and Diamond Ring 18k Yellow Gold
Located in Jesmond, Newcastle Upon Tyne
A stunning, fine and impressive vintage 2.02 carat opal and 0.48 carat diamond, 18 carat yellow
Category

20th Century Engagement Rings

Materials

Diamond, Opal, Black Opal, 18k Gold, Yellow Gold

Little Devil - Semi-Black Opal Diamond Pendant 18K Yellow Gold
Located in Suwanee, GA
I Love You, Little Devil - Australian Semi-Black Opal Diamond Pendant Necklace 18K Yellow Gold
Category

2010s American Artist Pendant Necklaces

Materials

Diamond, Opal, Black Opal, 18k Gold, Yellow Gold

Classic Halo Design Australian Black Opal Diamond Engagement Ring 18K
Located in Suwanee, GA
. ---------------------------------------------------------------------------------------------------- ABOUT THIS PRODUCT 18K Yellow Gold Australian Black Opal, 0.39 ct 75 Diamonds...
Category

2010s American Artist Engagement Rings

Materials

Black Opal, Opal, Diamond, 18k Gold

Australian Black Opal Diamond Halo Engagement Ring 18K Yellow Gold
Located in Suwanee, GA
. ---------------------------------------------------------------------------------------------------- ABOUT THIS PRODUCT 18K Yellow Gold Australian Black Opal, 0.66 ct 18 White ...
Category

2010s American Artist Engagement Rings

Materials

Black Opal, Opal, Diamond, Yellow Gold, 18k Gold

Asymmetrical Rectangle Shaped Black Opal Stud Earrings 18K Yellow Gold
Located in Suwanee, GA
. ---------------------------------------------------------------------------------------------------- ABOUT THIS PRODUCT Solid 18k Yellow Gold Australian Black Opal: 0.92 ct Opal ...
Category

2010s American Artist Stud Earrings

Materials

Opal, Black Opal, 18k Gold, Yellow Gold

Minimalist Triangle Shaped Australian Black Opal Diamond Engagement Ring 18K
Located in Suwanee, GA
. ---------------------------------------------------------------------------------------------------- ABOUT THIS PRODUCT 18K Yellow Gold Australian Black Opal, 0.47 ct Opal Body T...
Category

2010s American Arts and Crafts Engagement Rings

Materials

Black Opal, Opal, Diamond, 18k Gold

Beautiful Black Opal & Halo Diamond Engagement Ring 18K Yellow Gold
Located in Suwanee, GA
. ---------------------------------------------------------------------------------------------------- ABOUT THIS PRODUCT 18K Yellow Gold Australian Black Opal, 0.58 ct 11 White Di...
Category

2010s American Artist Engagement Rings

Materials

Black Opal, Opal, Diamond, Yellow Gold, 18k Gold

Snowflake Semi Black Opal & Diamond Engagement Ring 18K Yellow Gold
Located in Suwanee, GA
. ---------------------------------------------------------------------------------------------------- ABOUT THIS PRODUCT Solid 18K Yellow Gold Australian Semi Black Opal, 1.11 ct ...
Category

2010s American Arts and Crafts Engagement Rings

Materials

Black Opal, Opal, Diamond, Yellow Gold

Teapot Design Australian Semi-Black Opal & Diamond, Tsavorite Pendant 18K Gold
Located in Suwanee, GA
. ---------------------------------------------------------------------------------------------------- ABOUT THIS PRODUCT Solid 18k Yellow Gold Australian Semi-Black Opal: 1.10 c...
Category

2010s American Artist Pendant Necklaces

Materials

Diamond, Opal, Tsavorite, Black Opal, 18k Gold

Rose Gold Black Opal Emerald Sapphire Demantoid Diamond Pave Pendant
By Joke Quick
Located in Antwerp, BE
Black Opal Lightning Ridge : 1.75 ct. Colombian Emerald centerstone: 0.36 ct. 8 X Colombian Emeralds
Category

2010s Belgian Contemporary Pendant Necklaces

Materials

Black Opal, Opal, Garnet, Emerald, Sapphire, White Diamond, Diamond, Ros...

Beautiful Australian Black Opal Diamond Bracelet in 18K Yellow Gold
Located in Suwanee, GA
Beautiful Australian Black Opal Diamond Bracelet in 18K Yellow Gold. Free Domestic USPS First
Category

2010s American Arts and Crafts Charm Bracelets

Materials

Diamond, Opal, Black Opal, 18k Gold, Yellow Gold

La Fiesta - Lightning Ridge Black Opal & Halo Pear Diamond Engagement Ring
Located in Suwanee, GA
. ---------------------------------------------------------------------------------------------------- ABOUT THIS PRODUCT 18K Yellow Gold Australian Black Opal, 0.63 ct 24 Diamonds...
Category

2010s American Artist Engagement Rings

Materials

Black Opal, Opal, Diamond, 18k Gold

The Everleaf - Black Opal Diamond Engagement Ring 18K Yellow Gold
Located in Suwanee, GA
. ---------------------------------------------------------------------------------------------------- ABOUT THIS PRODUCT 18K Yellow Gold Australian Black Opal, 0.41 ct 7 Diamonds:...
Category

2010s American Arts and Crafts Engagement Rings

Materials

Black Opal, Opal, Diamond, Yellow Gold, 18k Gold

Adorable Cupcake Pendant Australian Black Opal Diamond Necklace 18K Yellow Gold
Located in Suwanee, GA
. ---------------------------------------------------------------------------------------------------- ABOUT THIS PRODUCT Solid 18K Yellow Gold Australian Black Opal: 0.575 ct 2 ...
Category

2010s American Artist Pendant Necklaces

Materials

Diamond, Opal, Black Opal, 18k Gold, Yellow Gold

Australian Black Opal & Halo Diamond Engagement Ring 18K Yellow Gold
Located in Suwanee, GA
. ---------------------------------------------------------------------------------------------------- ABOUT THIS PRODUCT 18K Yellow Gold Australian Black Opal, 0.56 ct Opal Body...
Category

2010s American Arts and Crafts Engagement Rings

Materials

Black Opal, Opal, Diamond, Yellow Gold, 18k Gold

Black Opal Oval and White Diamond Pendant Necklace in 18 Karat White Gold
Located in Los Angeles, CA
Beautiful black opal oval weighing 1.60 ct. with 0.11 ct. good quality white diamond rounds
Category

21st Century and Contemporary Pendant Necklaces

Materials

White Diamond, Opal, Black Opal, White Gold

Contemporary Black Opal and Diamond White Gold Ring with AGL Report
By DSL
Located in Lexington, KY
This is a breathtaking 18K white gold and black opal ring set with breathtaking baguette and round
Category

21st Century and Contemporary Contemporary Fashion Rings

Materials

Black Opal, Opal, Diamond, White Gold

Gerard McCabe Lorikeet Australian Lightning Ridge Black Opal & Gemstone Pendant
Located in ADELAIDE, SA
: Opal: Black (Grade 3) Australian Lightning Ridge solid seam Opal, flat cabochon weighing 5.69ct. This
Category

2010s Australian Modern Pendant Necklaces

Materials

Diamond, Emerald, Opal, Ruby, Blue Sapphire, Yellow Sapphire, Tsavorite,...

Halo Diamond Tsavorite Australian Black Opal Pendant Necklace 18k Yellow Gold
Located in Suwanee, GA
. ---------------------------------------------------------------------------------------------------- ABOUT THIS PRODUCT Solid 18k Yellow Gold Australian Black Opal: 0.89 ct 18 Di...
Category

2010s American Arts and Crafts Pendant Necklaces

Materials

Diamond, Opal, Tsavorite, Black Opal, 18k Gold, Yellow Gold

Beautiful Australian Black Opal & Halo Diamond Stud Earrings 18k Yellow Gold
Located in Suwanee, GA
Beautiful Australian Black Opal & Halo Diamond Stud Earrings 18k Yellow Gold. Free Domestic USPS
Category

2010s American Artist Stud Earrings

Materials

Diamond, Opal, Black Opal, 18k Gold, Yellow Gold

Lightning Ridge Black Opal and White Diamond Cocktail Ring in 18K Yellow Gold
Located in Los Angeles, CA
Beautiful 18.61 ct. Australian lightning ridge black opal oval with good quality white diamond
Category

21st Century and Contemporary Cocktail Rings

Materials

White Diamond, Opal, Black Opal, Yellow Gold

Lightning Ridge Black Opal and White Diamond Cocktail Ring in 18K White Gold
Located in Los Angeles, CA
Gorgeous 3.95 ct. lightning ridge black opal pear shape with good quality white diamond rounds
Category

21st Century and Contemporary Cocktail Rings

Materials

White Diamond, Opal, Black Opal, White Gold

Love From Dynasty - Black Opal Diamond Engagement Ring 18K Yellow Gold
Located in Suwanee, GA
. ---------------------------------------------------------------------------------------------------- ABOUT THIS PRODUCT 18K Yellow Gold Australian Black Opal: 0.66 ct 70 White Di...
Category

2010s American Arts and Crafts Engagement Rings

Materials

Black Opal, Opal, Diamond, Yellow Gold

La Estrella - Australian Black Opal & Halo Trillion Diamond Engagement Ring 18K
Located in Suwanee, GA
PRODUCT 18K Yellow Gold Australian Black Opal, 0.34 ct Opal Boday Tone: N2 Opal Brightness: B4 Bright
Category

2010s American Arts and Crafts Engagement Rings

Materials

Black Opal, Opal, Diamond, Yellow Gold, 18k Gold

Pear Shaped Australian Black Opal Engagement Wedding Ring 18K Yellow Gold
Located in Suwanee, GA
. ---------------------------------------------------------------------------------------------------- ABOUT THIS PRODUCT Solid 18K Yellow Gold Australian Black Opal, 0.745 ct Opal...
Category

2010s American Arts and Crafts Engagement Rings

Materials

Black Opal, Opal, Yellow Gold, 18k Gold

Round Australian Semi-Black Opal Ring Wedding Band 18K Yellow Gold
Located in Suwanee, GA
. ---------------------------------------------------------------------------------------------------- ABOUT THIS PRODUCT Solid 18K Yellow Gold Australian Black Opal, 0.26 ct Opal ...
Category

2010s American Arts and Crafts Engagement Rings

Materials

Black Opal, Opal, Yellow Gold, 18k Gold

Vintage 18K Gold Lightning Ridge Black Opal Brutalist Art Deco Luxury Cufflinks
Located in Benfleet, GB
A set of hand crafted 18ct gold Black Opal doublet cufflinks Reminiscent of the brutalist styling
Category

20th Century Arts and Crafts Cufflinks

Materials

Opal, Black Opal, 18k Gold

Halo Diamond Australian Semi-Black Opal Tsavorite Engagement Ring 18K Gold
Located in Suwanee, GA
. ---------------------------------------------------------------------------------------------------- ABOUT THIS PRODUCT Solid 18K Yellow Gold Australian Black Opal, 0.59 ct Diamo...
Category

2010s American Arts and Crafts Engagement Rings

Materials

Black Opal, Tsavorite, Opal, Diamond, 18k Gold

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18ct Black Opal For Sale on 1stDibs

Find the exact 18ct black opal you’re shopping for in the variety available on 1stDibs. Every item for sale was constructed with extraordinary care, often using gold, 18k gold and yellow gold. Our collection of these items for sale includes 13 vintage editions and 92 modern creations to choose from as well. If you’re looking for a 18ct black opal from a specific time period, our collection is diverse and broad-ranging, and you’ll find at least one that dates back to the 20th Century while another version may have been produced as recently as the 21st Century. A 18ct black opal from Renata Bernard, Cynthia Scott and Stephen Webster — each of whom created a beautiful version of this treasured accessory — is worth considering. See these pages for a cabochon iteration of this accessory, while there are also oval cut cut and mixed cut cut versions available here, too. When shopping for a 18ct black opal, you’ll find that there are less available pieces for unisex or men today than there are for women.

How Much is a 18ct Black Opal?

The price for a 18ct black opal starts at $800 and tops out at $53,700 with these rings, on average, selling for $8,300.