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18k Gold Diamond Opal Necklace

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Opal Diamond 18 K Pendant Clip
Located in Bad Kissingen, DE
18 k yellow gold hallmarked 750 6,84 ct opal 0,90 ct diamonds weight 9,6 gram size 40 x 20 mm
Category

21st Century and Contemporary German Pendant Necklaces

Materials

18k Gold

Opal Diamond 18 K Pendant Clip
Opal Diamond 18 K Pendant Clip
Free Shipping
W 0.79 in L 1.58 in
5.82ct Black Boulder Opal, Diamond & 18K Gold Necklace
Located in MAIN BEACH, QLD
pendant setting. 18K solid gold and high jewellery grade diamonds add to the collectors status of this
Category

21st Century and Contemporary Australian Pendant Necklaces

Materials

Diamond, Opal, Black Opal, 18k Gold

Dimos 18k Gold Fire Opal and Diamonds Necklace
Located in Athens, GR
them with all 3 colors of gold. Set in 18 karats yellow gold to be carrying and soft around the opals
Category

2010s Greek Neoclassical Pendant Necklaces

Materials

Diamond, Opal, Fire Opal, 18k Gold

Dimos 18k Gold Fire Opal and Diamonds Necklace
Dimos 18k Gold Fire Opal and Diamonds Necklace
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H 1.575 in W 0.787 in D 0.197 in L 19.685 in
168.00 Carats Pink & Peach Opal and Diamond Gold Necklace
By Diamond Stars Jewelry, Inc.
Located in New York, NY
Pink & Peach Opal and Diamond Necklace. The Necklace is 18K Rose Gold. The necklace has 1.65ct
Category

21st Century and Contemporary Chinese Modern Link Necklaces

Materials

Diamond, White Diamond, Opal, Gold, 18k Gold, Rose Gold

Australian 5.28ct Dark Opal, Diamond & 18K Gold Necklace
Located in MAIN BEACH, QLD
piece. Set in 18K solid gold, it is an investment that will last a lifetime. SPECIFICATIONS Opal Type
Category

21st Century and Contemporary Australian Pendant Necklaces

Materials

Diamond, Opal, 18k Gold

Australian 2.20ct Black Opal, Diamond & 18K Gold Necklace
Located in MAIN BEACH, QLD
set in solid 18K yellow gold, it makes the opal pop with all its colourful glory. The cable chain is
Category

21st Century and Contemporary Australian Art Deco Pendant Necklaces

Materials

Diamond, Opal, Black Opal, 18k Gold

Australian 0.94ct Boulder Opal, Diamond & 18K Gold Necklace
Located in MAIN BEACH, QLD
opal that would make any of the outback opal hunters envious, set in 18K solid gold and with the
Category

21st Century and Contemporary Australian Pendant Necklaces

Materials

Diamond, Opal, 18k Gold

18k Gold Short Pink Boulder Opal and Diamond Necklace
By Angelina Fine Jewelry
Located in Amsterdam, NH
A feminine, elegant and understated 18k gold short necklace with a soft pink Australian boulder
Category

2010s Dutch Artisan Pendant Necklaces

Materials

Opal, Diamond, 18k Gold

Australian 2.43ct Black Opal, Diamond, 18K Gold & Platinum Necklace
Located in MAIN BEACH, QLD
holds a freeform shaped black opal surrounded in 18K yellow gold and high jewellery grade brilliant
Category

21st Century and Contemporary Australian Pendant Necklaces

Materials

Diamond, Opal, Black Opal, 18k Gold, Platinum

Australian 2.60ct Boulder Opal, Diamond, 18K Gold & Platinum Necklace
Located in MAIN BEACH, QLD
. Surrounded in 18K solid gold and 7 high jewellery grade brilliant white diamonds, it's a piece you just
Category

21st Century and Contemporary Australian Pendant Necklaces

Materials

Diamond, Opal, Black Opal, 18k Gold, Platinum

Australian 21.86ct Boulder Opal, Diamond, Platinum & 18K Gold Necklace
Located in MAIN BEACH, QLD
platinum and 18K gold, this pendant is a one-of-a-kind beauty that deserves to be worn regularly
Category

Late 20th Century Australian Pendant Necklaces

Materials

Diamond, Opal, Black Opal, 18k Gold, Platinum

Syna Yellow Gold Boulder Opal Necklace with Diamonds
By Syna Jewels
Located in Fort Lee, NJ
Created in 18 karat yellow gold Boulder Opal 3.20 carats approx. Diamonds 0.10 carat approx. 18
Category

2010s Thai Contemporary Necklace Enhancers

Materials

Diamond, Opal, 18k Gold, Yellow Gold

Australian 23.00ct Boulder Opal, Diamond, 18K Gold & Platinum Necklace
Located in MAIN BEACH, QLD
, this is a very large, gem-grade opal featuring deep vivid blues and greens, set in 18K gold and
Category

21st Century and Contemporary Australian Pendant Necklaces

Materials

Diamond, Opal, 18k Gold, Platinum

Syna Yellow Gold Boulder Opal Necklace with Diamond
By Syna Jewels
Located in Fort Lee, NJ
Created in 18 karat yellow gold Boulder opal 1 carat approx. Diamond 0.05 carat approx. 18 inch
Category

2010s American Contemporary Necklace Enhancers

Materials

Diamond, Opal, 18k Gold, Yellow Gold

Australian Boulder Opal, Pink Diamond, 18K Gold & Platinum Necklace
Located in MAIN BEACH, QLD
Brilliant White Diamonds from the Argyle diamond mines in remote northern Western Australia, even the gold
Category

21st Century and Contemporary Australian Pendant Necklaces

Materials

Pink Diamond, Opal, 18k Gold, Platinum

Syna Yellow Gold Opal Cluster Necklace with Diamonds
By Syna Jewels
Located in Fort Lee, NJ
Created in 18 karat yellow gold Opal 2 carats approx. Diamonds 0.50 carat approx. 18 inch length
Category

2010s American Contemporary Necklace Enhancers

Materials

Diamond, Opal, 18k Gold, Yellow Gold

Australian 5.65ct Black Opal, Diamond & 18k White Gold Necklace
Located in MAIN BEACH, QLD
bail ball encrusted with 25 brilliant white diamonds, all set in our signature solid 18K white gold
Category

21st Century and Contemporary Australian Pendant Necklaces

Materials

Diamond, Opal, Black Opal, White Gold

Australian 5.65ct Black Opal, Diamond & 18k White Gold Necklace
Australian 5.65ct Black Opal, Diamond & 18k White Gold Necklace
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W 0.96 in D 0.34 in L 0.86 in
Duo Ethiopian Opal and Diamond Necklace in 18K Yellow Gold
Located in Bangkok, TH
A beautiful antique inspired 18k gold pendant necklace, featuring a pear and an oval shaped yellow
Category

21st Century and Contemporary Unknown Pendant Necklaces

Materials

Diamond, Opal, 18k Gold, Yellow Gold

Natural Australian 4.21ct Black Opal Diamonds Necklace 18K Yellow Gold
By Renata Bernard
Located in Sydney, AU
, 13.41mm in wide, 3.03mm in thickness. Metal: 18K Yellow Gold This opal pendant arrives in a gun-metal
Category

2010s Australian Contemporary Drop Necklaces

Materials

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

Natural Australian 22.27ct Boulder Opal Diamonds Pendant Necklace 18K Gold
By Renata Bernard
Located in Sydney, AU
The ‘Venus’ boulder opal necklace (22.7ct) masterfully set in 18K white gold is truly a remarkable
Category

2010s Australian Contemporary Pendant Necklaces

Materials

Diamond, Opal, 18k Gold, White Gold

Natural Untreated Australian 16.30ct Boulder Opal Diamonds Necklace 18k Gold
By Renata Bernard
Located in Sydney, AU
, the epitome of everlasting love. Perfectly handcrafted in our gorgeous 18K yellow gold is sure to
Category

2010s Australian Contemporary Pendant Necklaces

Materials

Diamond, Opal, 18k Gold, Yellow Gold

Natural Untreated Australian 9.50ct Boulder Opal Diamonds Necklace 18k Gold
By Renata Bernard
Located in Sydney, AU
in a smooth 18k white gold and decorated by 13 twinkling diamonds at its bale, simple yet timeless
Category

2010s Australian Contemporary Pendant Necklaces

Materials

Opal, Diamond, 18k Gold, White Gold

Natural Untreated Australian 6.65ct Boulder Opal Diamonds Necklace 18k Gold
By Renata Bernard
Located in Sydney, AU
the picture. Enquire if you would like to purchase an 18K solid gold chain. This opal pendant arrives
Category

2010s Australian Contemporary Pendant Necklaces

Materials

Diamond, Opal, 18k Gold, Yellow Gold

Australian 6.10ct Black Boulder Opal, Diamond, 18K Gold & Platinum Necklace
Located in MAIN BEACH, QLD
of 18K solid gold and high jewellery grade diamonds, this is an investment piece like no other. You
Category

21st Century and Contemporary Australian Choker Necklaces

Materials

Diamond, Opal, 18k Gold, Platinum

20 Carat Australian Coober Pedy Opal & Diamond 18k Yellow Gold Pendant Necklace
By Gems and Jewels UK
Located in Birmingham, GB
Fine Natural Australian Coober Pedy Opal & Diamond 18k Yellow Gold Pendant Necklace. Large 20
Category

21st Century and Contemporary Pendant Necklaces

Materials

Diamond, White Diamond, Opal, Black Opal, Fire Opal, Gold, 18k Gold, Yel...

Natural Australian 26.45 Carat Boulder Opal Diamonds Necklace 18k Gold
By Renata Bernard
Located in Sydney, AU
: 19.17mm Opal width: 43.83mm Opal thickness: 5.63mm Pendant metal: 18K yellow, white gold, sterling
Category

2010s Australian Contemporary Choker Necklaces

Materials

Diamond, Opal, 18k Gold, White Gold, Yellow Gold, Sterling Silver

Natural Opal Bezel, Diamond Accent Necklace in 18K Solid Yellow Gold
By Renate Exclusive
Located in Astoria, NY
necklace with 18K Solid Yellow Gold. Adjustable chain. Amazingly beautiful! Necklace: 18K Solid Yellow Gold
Category

21st Century and Contemporary American Modern Pendant Necklaces

Materials

Diamond, Opal, 18k Gold, Yellow Gold

Opal and Diamond Vintage Necklace in 18k Gold Circa 1960's
Located in Wailea, HI
Opal and Diamond Vintage Necklace in 18k Gold Circa 1960's Purchased From a Los Angeles Family's
Category

Mid-20th Century American Drop Necklaces

Materials

Diamond, Opal, 18k Gold

Ethiopian Opal and Diamond Vintage Style Necklace in 18K White Gold
Located in Bangkok, TH
catch both eyes and hearts. The 18k gold and diamond claw setting protects and keep the precious opal
Category

21st Century and Contemporary Thai Art Deco Pendant Necklaces

Materials

Diamond, Opal, 18k Gold, White Gold

18k Yellow Gold Crystal Opal Necklace with White Diamond Halo
Located in Greenville, SC
An 18k yellow gold necklace featuring one double prong set free formed Australian crystal opal 3.72
Category

2010s American Contemporary Pendant Necklaces

Materials

White Diamond, Opal, Yellow Gold

18k Yellow Gold Crystal Opal Necklace with White Diamond Halo
18k Yellow Gold Crystal Opal Necklace with White Diamond Halo
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H 0.7 in W 1.1 in D 0.1 in L 19 in
18k White Gold Onyx, Ethiopian Opal with Diamond Collar Style Necklace
By Avanti
Located in Carrollton, TX
This Art-Deco style Ethiopian Opal necklace is handmade with custom cut onyx and diamonds. The
Category

2010s American Contemporary Choker Necklaces

Materials

Diamond, Onyx, Opal, 18k Gold, White Gold

Lauren Harper Boulder Opal Diamond Gold Necklace
By Lauren Harper
Located in Winnetka, IL
This boulder opal doublet and .68cts Diamond necklace is delicate yet bold. Colorful flashes of
Category

2010s Artist Choker Necklaces

Materials

Diamond, Opal, 18k Gold

Lauren Harper Boulder Opal Diamond Gold Necklace
Lauren Harper Boulder Opal Diamond Gold Necklace
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W 2.21 in D 0.08 in L 1.11 in
Australian 6.79ct Opal Doublet and Diamond Necklace in 18K White Gold
Located in Sydney, AU
rare reds, oranges, and blues. Crafted in 18K white gold with a rim of sparkling diamonds that adds to
Category

2010s Australian Contemporary Pendant Necklaces

Materials

Diamond, Opal, White Gold, 18k Gold

Natural Untreated Australian 2.65Ct Boulder Opal Diamonds Halo Necklace 18k Gold
By Renata Bernard
Located in Sydney, AU
length: 12.62mm Opal width: 10.53mm Opal thickness: 2.85mm Pendant metal: 18K yellow gold Chain: The
Category

2010s Australian Contemporary Pendant Necklaces

Materials

Diamond, Opal, 18k Gold, Yellow Gold

Black Opal Oval and Diamond Pendant Necklace in 18k White Gold
Located in Los Angeles, CA
. Handmade in 18k white gold. Length is 18".
Category

21st Century and Contemporary Pendant Necklaces

Materials

White Diamond, Opal, Black Opal, White Gold

Natural Australian 9.72ct Boulder Opal Diamond Pendant Necklace 18K White Gold
By Renata Bernard
Located in Sydney, AU
an aureole of 18K pure white gold and sparkling diamonds. This heavenly piece is ideal for a special
Category

2010s Australian Contemporary Pendant Necklaces

Materials

Diamond, Opal, 18k Gold, White Gold

18K White Gold Necklace with 133.13 Carat Ethiopian Opals and Diamonds
By Coomi
Located in Secaucus, NJ
Flawless 18 Karat White Gold Necklace Set with 133.13-carat Ethiopian Opals and 7.26-carat Rose-Cut
Category

21st Century and Contemporary Thai Contemporary More Necklaces

Materials

Diamond, Opal, 18k Gold, White Gold

Australian 0.47ct Opal Doublet Necklace in 18K White Gold with Diamonds
By Renata Bernard
Located in Sydney, AU
"Bella" is doublet opal in an 18K white gold pendant. Opal is the queen of gems, renowned for its
Category

2010s Australian Contemporary Pendant Necklaces

Materials

Diamond, Opal, White Gold, 18k Gold

Natural Australian 28.25ct Boulder Opal Diamond Pendant Necklace 18K White Gold
By Renata Bernard
Located in Sydney, AU
: 30.21mm Opal width: 28.62mm Opal thickness: 5.08mm Metal: 18K White Gold This opal pendant arrives in
Category

2010s Australian Contemporary Pendant Necklaces

Materials

Opal, Diamond, 18k Gold, White Gold

Natural Australian 8.22ct Boulder Opal Diamond Pendant Necklace 18K White Gold
By Renata Bernard
Located in Sydney, AU
a line of diamonds (0.11ct) in an 18K white gold setting. The playfully domed enhancer bale framed
Category

2010s Australian Contemporary Pendant Necklaces

Materials

Diamond, Opal, 18k Gold, White Gold

IGI Certified 33.17ct Fine White Opal & Diamond 18k Yellow Gold Pendant Necklace
By Gems and Jewels UK
Located in Birmingham, GB
Top Grade Round Cabochon White Opal & Diamond 18k Yellow Gold Pendant Necklace. Large 33.17 Carat
Category

21st Century and Contemporary Pendant Necklaces

Materials

Opal, Diamond, White Diamond, Gold, 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

Australian 12.22ct Diamonds Boulder Opal Pendant Necklace 18K White, Yellow Gold
By Renata Bernard
Located in Sydney, AU
A sea voyage inspired “When the Sea Meets the Sky” opal pendant. Set in 18K white and yellow gold
Category

2010s Australian Contemporary Pendant Necklaces

Materials

Diamond, Opal, 18k Gold, White Gold, Yellow Gold

Natural Australian 21.60ct Boulder Opal Pendant Necklace 18k Gold with Diamonds
By Renata Bernard
Located in Sydney, AU
pendant is an exceptional handmade piece set in 18K gold with diamond lianas securing the precious opal
Category

2010s Australian Contemporary Pendant Necklaces

Materials

Opal, Diamond, 18k Gold, Rose Gold, White 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

Monica Rich Kosann 18K Gold Mini Crescent Moon Necklace Water Opals & Diamonds
By Monica Rich Kosann
Located in Norwalk, CT
moon necklace. The play of color in the water opals make this a statement piece that will inspire you
Category

2010s Thai Contemporary Pendant Necklaces

Materials

Diamond, Opal, 18k Gold, Yellow Gold

6.83 Carat Pear Shape Opal and Diamond Necklace in 18k Yellow Gold
By Sarosi By Timeless Gems
Located in Los Angeles, CA
! 18k yellow gold chain included. 18k yellow gold chain measures 18 inches in length Opal, 18.20 x
Category

21st Century and Contemporary American Artisan Drop Necklaces

Materials

Opal, White Diamond, Diamond, Gold, 18k Gold, Yellow Gold

Natural Opal Diamond Pendant Necklace Estate 18k Yellow Gold Freeform Jewelry
Located in Torrance, CA
Stylish opal & diamond pendant, crafted in 18 karat yellow gold (pendant) and 14 karat yellow gold
Category

21st Century and Contemporary Unknown Contemporary Pendant Necklaces

Materials

Diamond, White Diamond, Opal, Gold, 14k Gold, Yellow Gold

Syna Yellow Gold Opal Necklace with Diamonds
By Syna Jewels
Located in Fort Lee, NJ
18 inch Opal Necklace created in 18 karat yellow gold Opal 1.5 carats approx. Diamonds 0.12 carat
Category

2010s Thai Contemporary Pendant Necklaces

Materials

Diamond, Brown Diamond, Opal, 18k Gold, Yellow Gold

Sylva et Cie 18k Gold, Boulder Opal, & Diamond Sparrow Bird Necklace Pendant
By Sylva & Cie
Located in Philadelphia, PA
A fine Sylva opal, diamond, and gold figural bird pendant for a necklace. With a fine hand carved
Category

21st Century and Contemporary American Modern Pendant Necklaces

Materials

Diamond, Opal, 18k Gold

Edwardian Opal Diamond Gold Platinum Drop Necklace
Located in Carmel-by-the-Sea, CA
Rendered in platinum over 18k yellow gold, with a 9.5 carat oval opal at the center of a frame of
Category

Vintage 1910s Edwardian Drop Necklaces

Materials

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

Natural Australian 14.22ct Boulder Opal Necklace in 18K White Gold with Diamonds
By Renata Bernard
Located in Sydney, AU
boulder opal from Winton displays a rare and prized panther pattern. The 18K pure white gold setting and
Category

2010s Australian Contemporary Pendant Necklaces

Materials

Opal, Diamond, White Gold, 18k Gold

Natural Australian 7.08ct Boulder Opal Necklace in 18K White Gold with Diamonds
By Renata Bernard
Located in Sydney, AU
would like to purchase an 18K solid gold chain. This opal pendant arrives in a gun-metal aluminum box
Category

2010s Australian Contemporary Pendant Necklaces

Materials

Diamond, Opal, White Gold, 18k Gold

Natural Australian 5.52ct Boulder Opal Necklace in 18k White Gold with Diamonds
By Renata Bernard
Located in Sydney, AU
audacity. The bright boulder opal (5.52ct) from Winton in a striking 18K white gold setting is accented by
Category

2010s Australian Contemporary Pendant Necklaces

Materials

Diamond, Opal, 18k Gold, White Gold

Natural Australian 15.82ct Boulder Opal Necklace in 18K Yellow Gold with Diamond
By Renata Bernard
Located in Sydney, AU
you would like to purchase an 18K solid gold chain. This opal pendant arrives in a gun-metal
Category

2010s Australian Contemporary Pendant Necklaces

Materials

Diamond, Opal, 18k Gold, Yellow Gold

Natural Australian 16.88ct Boulder Opal and Diamonds Necklace in 18K White Gold
By Renata Bernard
Located in Sydney, AU
crafted from a 16.88 carat boulder opal from Quilpie is set in 18K white gold and sealed with a diamond
Category

2010s Australian Contemporary Pendant Necklaces

Materials

Opal, Diamond, 18k Gold, White Gold

Natural Australian 5.81ct Boulder Opal Necklace in 18k Yellow Gold with Diamonds
By Renata Bernard
Located in Sydney, AU
thickness: 3.92mm Metal: 18K yellow gold This opal pendant arrives in a gun-metal aluminum box inside a
Category

2010s Australian Contemporary Pendant Necklaces

Materials

Diamond, Opal, Yellow Gold, 18k Gold

Natural Australian 7.52ct Boulder Opal and Diamond Necklace in 18K White Gold
By Renata Bernard
Located in Sydney, AU
brilliant-cut diamonds, all in 18K white gold. The designer took inspiration from the majesty and romance of
Category

2010s Australian Contemporary Pendant Necklaces

Materials

Diamond, Opal, White Gold, 18k Gold

18K Two Tone Gold Halo Diamond GIA Certified 11 Carat Black Opal Necklace
Located in Los Angeles, CA
and Round Diamond Necklace Handmade in 18K Two Tone Gold. The Opal is truly amazing, with it's play
Category

2010s Modern Pendant Necklaces

Materials

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

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18k Gold Diamond Opal Necklace For Sale on 1stDibs

Find the exact 18k gold diamond opal necklace 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. You can easily find a 330 antique edition and 913 modern creations to choose from as well. If you’re looking for a 18k gold diamond opal necklace from a specific time period, our collection is diverse and broad-ranging, and you’ll find at least one that dates back to the 19th Century while another version may have been produced as recently as the 21st Century. A 18k gold diamond opal necklace from Renata Bernard, Syna Jewels and Fei Liu — each of whom created a beautiful version of this treasured accessory — is worth considering. While most can agree that any 18k gold diamond opal necklace from our collection can easily elevate most outfits, but the choice of a diamond version from the 1014 available is guaranteed to add a special touch to your ensemble. Today, if you’re looking for a cabochon version of this piece and are unable to find the perfect match, our selection also includes round cut and oval cut alternatives. When shopping for a 18k gold diamond opal necklace, you’ll find that there are less available pieces for unisex or men today than there are for women.

How Much is a 18k Gold Diamond Opal Necklace?

On average, a 18k gold diamond opal necklace at 1stDibs sells for $5,498, while they’re typically $80 on the low end and $495,000 for the highest priced versions of this item.