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18ct Opal Necklace

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18ct Gold Opal Necklace
Located in London, GB
18ct Gold Opal Pendant with Matching 18ct Gold Chain . Rare Vintage Design with timeless appeal
Category

Vintage 1970s Unknown Art Deco Chain Necklaces

Materials

Opal, Gold

18ct Gold Opal Necklace
18ct Gold Opal Necklace
Free Shipping
W 0.04 in L 16.01 in
16.7 Ct Opal Necklace in 18K Yellow Gold Chain
By VR Jewels
Located in Houston, TX
Opal Charm Necklace in 18K Gold studded with oval cut opal. Accessorize your look with this elegant
Category

21st Century and Contemporary American Modern Drop Necklaces

Materials

Opal, 18k Gold, Yellow Gold

2.67 ct Mexican Fire Opal Pendant Necklace 18K Yellow Gold
Located in Suwanee, GA
2.67 ct Mexican Fire Opal Pendant Necklace 18K Yellow Gold. Free Domestic USPS First Class
Category

2010s American Artist Pendant Necklaces

Materials

Opal, Fire Opal, 18k Gold, Yellow Gold

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

18ct Yellow Gold Opal and Diamond Necklace and Pendant
Located in Sydney, NSW
Oval natural semi-crystal opal cabochon, crafted with Eighteen Karat Yellow Gold, featuring forty
Category

2010s Australian Contemporary Pendant Necklaces

Materials

Diamond, Opal, Yellow Gold, 18k Gold

28.41 ct Ethiopian Opal Chain Necklace With Diamonds Made In 18k White Gold
By Artisan NYC
Located in New York, NY
18KT:31.824g,D:4.25ct, Opal:28.41ct,
Category

21st Century and Contemporary Indian Contemporary Chain Necklaces

Materials

Diamond, Opal, 18k Gold, White Gold

Edwardian 6.00 Ct Harlequin Opal 1.80 Ct Diamond 18 KT Pendant
Located in Napoli, IT
This gorgeous Edwardian period necklace is 1910 Fine hand crafting of 18 KT / Platinum matched with
Category

Early 20th Century European Edwardian Pendant Necklaces

Materials

Diamond, Opal, 18k Gold, 9k Gold, Platinum

Edwardian 6.00 Ct Harlequin Opal 1.80 Ct Diamond 18 KT Pendant
Edwardian 6.00 Ct Harlequin Opal 1.80 Ct Diamond 18 KT Pendant
Free Shipping
H 1.89 in W 0.56 in L 17.92 in
18ct White Gold and Platinum Victorian Opal, Diamond Lucky Horseshoe Necklace
Located in Brighton, GB
Antique Horseshoe Necklace 18ct White Gold Tested Circa 1880 This stunning Victorian-era
Category

Antique Late 19th Century English Victorian Pendant Necklaces

Materials

Diamond, Opal, 18k Gold, White Gold, Platinum

18ct 750 Gold Large Trio Opal Pendant
Located in London, GB
18ct Gold trio opal Pendant Length 4cm (Incl. Bail ) Italian Stamp marks 750 & province marks
Category

Late 20th Century Italian Pendant Necklaces

Materials

Opal, Gold, 18k Gold

Australian Solid Black Opal Diamond Pendant in 18ct Yellow Gold
Located in LEEDERVILLE, WA
Set in our signature 18ct Yellow Gold, this pendant features a rare, natural solid 4.946ct
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
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H 1.08 in W 0.6 in D 0.37 in L 11.82 in
0.99ct Oval Opal & Diamonds Pendant Set in 18ct Yellow Gold
Located in London, GB
pendant is suspended from a 18 inches adjustable at 16 inches 18ct yellow gold chain. Total Opal Weight
Category

2010s Pendant Necklaces

Materials

Diamond, Opal, 18k Gold, Yellow Gold

18kt Rose Gold Les Papillons Necklace with Pink Opal and Diamonds
By Falcinelli Italy
Located in Arezzo, IT
grow tired of. Necklace in 18 kt rose gold with pink opal (10.20 ct), diamonds 0.38 ct. Available also
Category

21st Century and Contemporary Italian Contemporary Necklace Enhancers

Materials

Diamond, Opal, 18k Gold, Rose Gold

18ct Yellow Gold Pear Shape Opal Pendant on 16"/18" Chain
Located in London, GB
This gorgeous 18ct yellow gold pear shape opal pendant is set in a unique shape, making it a very
Category

2010s British Pendant Necklaces

Materials

Opal, 18k Gold, Yellow 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

Two Tone Semi Black Opal & Fire Opal Tsavorite Diamond Necklace 18K Yellow Gold
Located in Suwanee, GA
Two-Tone Australian Semi-Black Opal & Fire Opal Tsavorite Diamond Necklace Pendant 18K Yellow Gold
Category

2010s American Artist Pendant Necklaces

Materials

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

Doublet Opal Cross Pendant Necklace: Australian Opal in 18K Gold
Located in Suwanee, GA
Doublet Opal Cross Pendant Necklace: Australian Opal in 18K Yellow Gold. Free Domestic USPS First
Category

2010s American Arts and Crafts Pendant Necklaces

Materials

Opal, 18k Gold, Yellow Gold

Vintage Opal and Crystal Necklace, c.1950s
Located in London, GB
This wonderful opal and Crystal string necklace dates back to the 1950s. It features a total of 27
Category

Vintage 1950s Unknown Beaded Necklaces

Materials

Crystal, Opal, 18k Gold

14k Gold Pear Shape Opal & Diamond Necklace
Located in Great neck, NY
14K GOLD PEAR SHAPE OPAL & DIAMOND NECKLACE - Diamond Weight: 0.06 ct. - Diamond Count: 19 - Opal
Category

20th Century Chinese Contemporary Drop Necklaces

Materials

Diamond, Opal, 14k 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

Opal and White Diamond Pendant Necklace in Platinum
Located in Los Angeles, CA
Gorgeous 5.12 ct. black opal oval with 0.50 ct. good quality, white, and bright diamond rounds
Category

21st Century and Contemporary Pendant Necklaces

Materials

White Diamond, Opal, Platinum

Opal and White Diamond Pendant Necklace in Platinum
Located in Los Angeles, CA
Beautiful 15.99 ct. free shape opal with 1.36 ct. good quality white diamond rounds. Handmade in
Category

21st Century and Contemporary Pendant Necklaces

Materials

White Diamond, Opal, Platinum

18 Karat White Gold Diamonds, Opal Pendant Necklace
By Gianni Lazzaro
Located in Duesseldorf, DE
18 Karat White Gold Diamonds and Opal Pendant Necklace 42 Diamonds 0.46 ct. G-SI 29 Sapphire
Category

21st Century and Contemporary German Pendant Necklaces

Materials

Sapphire, Diamond, Opal, 18k Gold, White Gold

Opal and Diamond Cluster Pendant Set In 18ct Yellow Gold
Located in London, GB
This gorgeous opal & diamond pendant is set with 1.50ct pear shape opal and 18 round brilliant cut
Category

2010s British Pendant Necklaces

Materials

Diamond, 18k Gold, Yellow Gold

Chain Necklace Yellow Gold Opal
Located in PARIS, FR
Gold necklace yellow 750 mils (18 carats). mesh cable chain. pendant set with a diamond pear about
Category

20th Century French Chain Necklaces

Materials

Yellow Gold

Chain Necklace Yellow Gold Opal
Chain Necklace Yellow Gold Opal
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W 0.95 in L 19.89 in
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

Flamingo Design Mexican Fire Opal Necklace 18K Yellow Gold
Located in Suwanee, GA
Minimalist Flamingo Design Mexican Fire Opal Necklace 18K Yellow Gold. Free Domestic USPS First
Category

2010s American Arts and Crafts Pendant Necklaces

Materials

Opal, Fire Opal, 18k Gold, Yellow Gold

Swan Design Mexican Fire Opal Necklace 18K Yellow Gold
Located in Suwanee, GA
Minimalist Swan Design Mexican Fire Opal Necklace 18K Yellow Gold. Free Domestic USPS First Class
Category

2010s American Arts and Crafts Pendant Necklaces

Materials

Opal, Fire Opal, 18k Gold, Yellow Gold

Fernand Demaret Opal and 18ct Pendant, Modernist Artist & Designers Jewellery
By Fernand Demaret
Located in Bruxelles, BE
An abstract pendant, 18ct gold, large opal (small rond diamond brillant cut) by Fernand Demaret , a
Category

Vintage 1960s Belgian Modernist Pendant Necklaces

Materials

18k Gold

18 Karat White Gold Diamonds, Rose Opal Pendant Necklace
By Gianni Lazzaro
Located in Duesseldorf, DE
18 Karat White Gold Diamonds and Rose Opal Pendant Necklace 6 Diamonds 0.20 ct. G-SI 1 Rose
Category

21st Century and Contemporary German Pendant Necklaces

Materials

Diamond, Opal, 18k Gold, White Gold

Estate Kabana Opal and Diamond Necklace in 14k Yellow Gold
By Kabana
Located in Los Angeles, CA
Beautiful Kabana necklace with opal marquise shapes and 0.62 ct. of good quality white diamond
Category

21st Century and Contemporary Link Necklaces

Materials

Diamond, Opal, Yellow Gold

Australian Semi-Black Opal Halo Diamond Necklace 18K Yellow Gold
Located in Suwanee, GA
Australian Semi-Black Opal Halo Diamond Necklace 18K Yellow Gold. Free Domestic USPS First Class
Category

2010s American Artist Pendant Necklaces

Materials

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

Heart Shaped Semi-Black Opal Pendant Necklace 18K Yellow Gold
Located in Suwanee, GA
Heart-shaped Australian Semi-Black Opal Pendant Necklace 18K Yellow Gold. Free Domestic USPS
Category

2010s American Artist Pendant Necklaces

Materials

Opal, Black Opal, 18k Gold, Yellow Gold

Stunning 18K Yellow Gold Pendant Necklace with Fire Opal & Tsavorite
Located in Suwanee, GA
Stunning 18K Yellow Gold Pendant Necklace with Mexican Fire Opal and Tsavorite. Free Domestic
Category

2010s American Artist Pendant Necklaces

Materials

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

Minimalist Mexican Fire Opal Diamond Pendant Necklace 18K Yellow Gold
Located in Suwanee, GA
Minimalist Mexican Fire Opal Diamond Pendant Necklace 18K Yellow Gold. Free Domestic USPS First
Category

2010s American Artist Pendant Necklaces

Materials

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

1970 Vintage Opal Diamonds Necklace 18 Karat White Gold
Located in Zurich, Zollstrasse
Very attractive and solid handmade 18 K white Gold necklace with Black Opal triplet and 63
Category

Vintage 1970s Swiss Modern Pendant Necklaces

Materials

Diamond, Opal, 18k Gold, White Gold

10.9 Carat Opal 18 Karat White Gold Diamond Necklace
By Meghna Jewels
Located in Hoffman Estate, IL
Cast from 18-karat gold, this exquisite necklace is handset with 10.9 carats of opal doublets, 4.1
Category

21st Century and Contemporary Unknown Contemporary Drop Necklaces

Materials

Diamond, Opal, Sapphire, Gold, 18k Gold, White Gold

Dalben Design Oval Australian Boulder Opal and Rose Gold Necklace
By Oreste Dalben
Located in Como, IT
Dalben design One of a Kind 18k rose gold matte finishing necklace with one bezel-set blue oval
Category

21st Century and Contemporary Italian Contemporary Pendant Necklaces

Materials

Opal, 18k Gold, Rose Gold

Minimalist Australian Boulder Opal Necklace Pendant 18K Yellow Gold
Located in Suwanee, GA
Minimalist Australian Boulder Opal Necklace Pendant 18K Yellow Gold. Free Domestic USPS First
Category

2010s American Artist Pendant Necklaces

Materials

Opal, 18k Gold, Yellow Gold

Boulder Opal and White Diamond Pendant Necklace in 18K White Gold
Located in Los Angeles, CA
Beautiful 0.91 ct. Boulder opal oval with 0.52 ct. white diamond rounds. Handmade in 18k white
Category

21st Century and Contemporary Pendant Necklaces

Materials

White Diamond, Opal, White Gold

Heart Shaped Australian Solid Opal Necklace 14k Yellow Gold
Located in Suwanee, GA
Minimalist Heart Shaped Australian Solid Opal Necklace 14k Yellow Gold. Free Domestic USPS First
Category

2010s American Artist Pendant Necklaces

Materials

Opal, Yellow Gold

Baguette Diamond Invisible Setting Australian Opal & Tsavorite Necklace 18k
Located in Suwanee, GA
Baguette Diamond Invisible Setting Australian Opal & Tsavorite Pendant Necklace 18k Yellow Gold
Category

2010s American Arts and Crafts Pendant Necklaces

Materials

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

Minimal Oval Ethiopian Opal Pendant Necklace 18k Yellow Gold
Located in Suwanee, GA
Minimal Oval Ethiopian Opal Pendant Necklace 18k Yellow Gold. Free Domestic USPS First Class
Category

2010s American Arts and Crafts Pendant Necklaces

Materials

Opal, 18k Gold, Yellow Gold

Minimalist Oval Doublet Opal & Diamond Necklace 14k Yellow Gold
Located in Suwanee, GA
Minimalist Oval Australian Doublet Opal & Diamond Pendant Necklace 14k Yellow Gold. Free Domestic
Category

2010s American Arts and Crafts Pendant Necklaces

Materials

Diamond, Opal, Yellow Gold, 14k Gold

Pear Shaped Australian Solid Opal Necklace 14k Yellow Gold
Located in Suwanee, GA
Minimalist Pear Shaped Australian Solid Opal Pendant Necklace 14k Yellow Gold. Free Domestic USPS
Category

2010s American Arts and Crafts Pendant Necklaces

Materials

Opal, 14k Gold, Yellow Gold

Oval Shaped Australian Solid Opal Necklace 14k Yellow Gold
Located in Suwanee, GA
Minimal Style Oval Australian Solid Opal Pendant Necklace 14k Yellow Gold. Free Domestic USPS
Category

2010s American Arts and Crafts Pendant Necklaces

Materials

Opal, 14k Gold, Yellow Gold

Australian Doublet Opal Cross Pendant Necklace 18K Yellow Gold
Located in Suwanee, GA
Australian Doublet Opal Cross Pendant Necklace 18K Yellow Gold. Free Domestic USPS First Class
Category

2010s American Arts and Crafts Pendant Necklaces

Materials

Opal, 14k Gold, Yellow Gold

Pear Shaped Pendant Mexican Fire Opal Diamond Necklace 18K Yellow Gold
Located in Suwanee, GA
Pear-shaped pendant Mexican fire opal diamond necklace 18K yellow gold. Free Domestic USPS First
Category

2010s American Artist Pendant Necklaces

Materials

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

Minimalist Doublet Opal Diamond Pendant Necklace 14k Yellow Gold
Located in Suwanee, GA
Minimalist Oval Shaped Australian Doublet Opal Diamond Pendant Necklace 14k Yellow Gold. Free
Category

2010s American Arts and Crafts Pendant Necklaces

Materials

Diamond, Opal, 14k Gold, Yellow Gold

Adorable Cupcake Pendant Australian Black Opal Diamond Necklace 18K Yellow Gold
Located in Suwanee, GA
Adorable Cupcake Pendant Australian Black Opal Diamond Necklace 18K Yellow Gold. Free Domestic
Category

2010s American Artist Pendant Necklaces

Materials

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

Australian Solid Opal Cross Pendant Necklace 925 Sterling Silver
Located in Suwanee, GA
Natural Australian Solid Opal Cross Pendant Necklace 925 Solid Sterling Silver. Free Domestic
Category

2010s American Arts and Crafts Pendant Necklaces

Materials

Opal, Sterling Silver

Heart Shaped Mexican Matrix Fire Opal Pendant Necklace 18K Yellow Gold
Located in Suwanee, GA
Heart Shaped Mexican Matrix Fire Opal Pendant Necklace 18K Yellow Gold. Free Domestic USPS First
Category

2010s American Artist Pendant Necklaces

Materials

Opal, Fire Opal, 18k Gold, Yellow Gold

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

Hand Carved Bichon Dog Fire Opal Pendant Necklace 18K Yellow Gold
Located in Suwanee, GA
Hand Carved Bichon Dog Mexican Fire Opal Pendant Necklace 18K Yellow Gold. Free Domestic USPS
Category

2010s American Arts and Crafts Pendant Necklaces

Materials

Opal, Fire Opal, 18k Gold, Yellow 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

14k Yellow Gold Freeform Australian White Opal Bezel Set Necklace
Located in Portland, OR
: Original Surface Finish: Polished Chain Length: 18 In Necklace Pendant Dimensions(LWH): 41.66 mm * 20.30 mm
Category

21st Century and Contemporary American Artist Pendant Necklaces

Materials

Opal, 14k Gold, Yellow Gold

Triangle Shaped Mexican Matrix Opal Pendant Necklace 18K Yellow Gold
Located in Suwanee, GA
Triangle Shaped Mexican Matrix Opal Pendant Necklace 18K Yellow Gold. Free Domestic USPS First
Category

2010s American Artist Pendant Necklaces

Materials

Opal, 18k Gold, Yellow Gold

Adorable Dog Australian Doublet Opal, Diamond, Sapphire Pendant Necklace 18K
Located in Suwanee, GA
Adorable Dog Australian Doublet Opal, Diamond, Sapphire Pendant Necklace 18K Yellow Gold. Free
Category

2010s American Artist Pendant Necklaces

Materials

Diamond, Opal, Sapphire, 18k Gold, Yellow Gold

Minimal Style Oval Ethiopian Opal Pendant Necklace 18k Yellow Gold
Located in Suwanee, GA
Minimal Style Oval Ethiopian Opal Pendant Necklace 18k Yellow Gold. Free Domestic USPS First Class
Category

2010s American Arts and Crafts Pendant Necklaces

Materials

Opal, 18k Gold, Yellow Gold

Diamond Shaped Australian Boulder Opal Pendant Necklace 18K Yellow Gold
Located in Suwanee, GA
Diamond Shaped Australian Boulder Opal Pendant Necklace 18K Yellow Gold. Free Domestic USPS First
Category

2010s American Artist Pendant Necklaces

Materials

Diamond, Opal, 18k Gold, Yellow Gold

Cat Australian Solid Opal & Diamond Pendant Necklace 14k Yellow Gold
Located in Suwanee, GA
Adorable Kitty Cat Australian Solid Opal & Diamond Pendant Necklace 14k Yellow Gold. Free Domestic
Category

2010s American Artist Pendant Necklaces

Materials

Diamond, Opal, 18k Gold, Yellow Gold

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18ct Opal Necklace For Sale on 1stDibs

You are likely to find exactly the 18ct opal necklace you’re looking for on 1stDibs, as there is a broad range for sale. Each design created in this style — which was crafted with great care and often made from gold, 18k gold and yellow gold — can elevate any look. You can easily find a 8 antique edition and 175 modern creations to choose from as well. Finding the perfect 18ct opal necklace may mean sifting through those created during different time periods — you can find an early version that dates to the 19th Century and a newer variation that were made as recently as the 21st Century. There have been many well-made iterations of the classic 18ct opal necklace over the years, but those made by Renata Bernard, Giulians and Fei Liu are often thought to be among the most beautiful. See these pages for a cabochon iteration of this accessory, while there are also pear cut cut and oval cut cut versions available here, too. Most of our 18ct opal necklace for sale are for women, but there are 25 pieces available to browse for men.

How Much is a 18ct Opal Necklace?

Prices for a 18ct opal necklace can differ depending upon size, time period and other attributes — at 1stDibs, these accessories begin at $598 and can go as high as $76,000, while this accessory, on average, fetches $4,720.