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40 Carat Oval Ethiopian Opal Pendant / Necklace 14 Karat Yellow Gold Necklace
Located in New York, NY
Approximately 40 Carat Oval Ethiopian Opal Pendant / Necklace 14 Kt white Gold Necklace with
Category

2010s Pendant Necklaces

Materials

Opal, Gold, 14k Gold, White Gold

Peter Suchy 1.71 Carat Opal Diamond Yellow Gold Halo Earrings
By Peter Suchy
Located in Stamford, CT
Opal and diamond halo earrings. 2 oval cabochon opals with red, blue and green flash set in 14k
Category

21st Century and Contemporary Stud Earrings

Materials

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

7.67 Carat Natural Fire Opal Sapphire and Diamond Rose Gold Cocktail Ring
By Roshe Jewels
Located in Los Angeles, CA
7.67 Carat Natural Fire Opal Sapphire and Diamond Rose Gold Cocktail Ring Super gorgeous and
Category

21st Century and Contemporary American Contemporary Cocktail Rings

Materials

Fire Opal, Sapphire, Opal, Diamond, Rose Gold, 14k Gold

7.04 Carat Natural Fire Opal Sapphire and Diamond Rose Gold Cocktail Ring
By Roshe Jewels
Located in Los Angeles, CA
7.04 Carat Natural Fire Opal Sapphire and Diamond Rose Gold Cocktail Ring Super gorgeous and
Category

21st Century and Contemporary American Contemporary Cocktail Rings

Materials

Fire Opal, Sapphire, Opal, Diamond, Rose Gold, 14k Gold

6.93 Carat Natural Fire Opal Sapphire and Diamond Yellow Gold Cocktail Ring
By Roshe Jewels
Located in Los Angeles, CA
6.93 Carat Natural Fire Opal Sapphire and Diamond Yellow Gold Cocktail Ring Super gorgeous and
Category

21st Century and Contemporary American Contemporary Cocktail Rings

Materials

Yellow Sapphire, Pink Sapphire, Fire Opal, Sapphire, Opal, Diamond, Yell...

11.02 Carat Mexican Fire Opal 18 Karat Gold Diamond Drop Earrings
By Meghna Jewels
Located in Hoffman Estate, IL
Cast in 18 karat gold. These earrings are hand set in 11.02 carats fire opal and 1.08 carats of
Category

21st Century and Contemporary Unknown Modern Drop Earrings

Materials

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

19.15 Carat GIA Midnight Black Opal 18 Karat Gold Ring
Located in METAIRIE, LA
This Opulent Opal Solitaire ring features a 19.15 carat GIA Certified Black Opal possessing every
Category

Vintage 1970s More Bracelets

Materials

Opal, Yellow Gold, 18k Gold

8.89 Carat Natural Opal Multi Sapphire Diamond Yellow Gold Cocktail Ring
By Roshe Jewels
Located in Los Angeles, CA
8.89 Carat Natural Opal Multi Sapphire Diamond Yellow Gold Cocktail Ring Unique and beautifully
Category

21st Century and Contemporary American Contemporary Cocktail Rings

Materials

Diamond, Opal, Sapphire, Pink Sapphire, Blue Sapphire, Yellow Sapphire, ...

2.37 Carat Ethiopian Opal with Diamond Accents 10K Yellow Gold Earring
Located in New York, NY
Earring. This Earring is made up of 9x7 mm Oval - Cab (2pcs) 2.37 carat Ethiopian Opal and Round-cut White
Category

20th Century Chinese Art Deco Stud Earrings

Materials

Diamond, Opal, 10k Gold, Yellow Gold

14K Yellow Gold Double Halo Diamond 2.65 Carat Oval Australian Black Opal Ring
Located in Los Angeles, CA
Carats, 40 Round Diamonds G-H Color VS2 Clarity 1.65 Carats. Size- 6, could be sized up or down at no
Category

21st Century and Contemporary American Art Deco Engagement Rings

Materials

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

1.71 Carat Natural Opal and Diamond 14 Karat Yellow Gold Ring
Located in New York, NY
Ethiopian Opal, 34 Round White Diamonds in GH- I1 quality with 0.14 ct and 40 Round Brown Diamond 0.15 Carat
Category

20th Century Chinese Art Deco Fashion Rings

Materials

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

8.03 Carats Oval Opal Diamond 14 Karat Yellow Gold Bangle Bracelet
By Meghna Jewels
Located in Hoffman Estate, IL
A stunning bracelet handmade in 14K yellow gold. It is hand set in 8.03 carats opal and .40 carats
Category

21st Century and Contemporary Unknown Contemporary Modern Bracelets

Materials

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

Zorab 18 Karat Rose Gold, 137 Carat White Opal, Diamonds and Sapphire Necklace
By Zorab Creation
Located in New York, NY
necklace measures 19" in length. Opal total weight 137.00 carats Blue Sapphire total weight 13.05 carats
Category

Early 2000s Turkish Contemporary Link Necklaces

Materials

Opal, Sapphire, Diamond, Rose Gold

Zorab 18 Karat Rose Gold, 50.69 Carat White Opal, Diamond and Sapphire Bracelet
By Zorab Creation
Located in New York, NY
jewelry for over 40 years. A family business now run by the second generation specializing in playful yet
Category

Early 2000s Turkish Contemporary Link Bracelets

Materials

Diamond, Opal, Sapphire, Rose Gold

Amazing Boulder Opal & Tsavorite Garnet Pendant
By Kary Adam
Located in Coupeville, WA
Australian Boulder Opal Cabochons. The main Pear Shaped Cab is approxamately 40 Carats while the Smaller Oval
Category

2010s Thai Contemporary Pendant Necklaces

Materials

Garnet, Opal, Tsavorite, Silver

Amazing Boulder Opal & Tsavorite Garnet Pendant
Amazing Boulder Opal & Tsavorite Garnet Pendant
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W 0.88 in D 0.25 in L 2.75 in
Yellow Gold Opal Cocktail Solitaire Ring - 14k Oval Cabochon 6.30ct
Located in Greensboro, NC
Stone Information Natural Opal Carat(s): 6.30ct Cut: Oval Cabochon Total Carats: 6.30ct Style
Category

21st Century and Contemporary Cocktail Rings

Materials

Opal, 14k Gold, Yellow Gold

Vintage 14K Gold Diamond & Opal Necklace
Located in Venice, CA
mystical opal gemstone. The necklace with pendant is composed of two parts; a top lace-like diamond studded
Category

Vintage 1970s Unknown Modern Pendant Necklaces

Materials

Diamond, Opal, 14k Gold, Yellow Gold

Vintage 14K Gold Diamond & Opal Necklace
Vintage 14K Gold Diamond & Opal Necklace
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H 1.75 in W 1 in L 16.5 in
Antique Victorian Opal Diamond Gold Bangle Bracelet
Located in Miami, FL
, measuring 12 mm approximately, 6 carats in total. (40) Natural genuine old mine diamonds enrich this
Category

Antique Early 1900s Late Victorian Bangles

Materials

Diamond, Opal, Gold

14K Yellow Gold Opal Doublet and Diamond Cocktail Ring
Located in Atlanta, GA
: 4.4 grams Details: Center Opal: Doublet, Color Play of Red, Green, Blue Side Diamonds: .35ct, total
Category

21st Century and Contemporary Contemporary Engagement Rings

Materials

Diamond, Opal, 14k Gold, Yellow Gold

Opal necklace silver Blue Boulder Natural Australian Gemstone
Located in Berlin, DE
Matte finish silver pendant with natural Boulder "Koroit" Opal gemstone origin - Australia
Category

2010s German Artist Pendant Necklaces

Materials

Opal, Silver

Opal necklace silver Blue Boulder Natural Australian Gemstone
Opal necklace silver Blue Boulder Natural Australian Gemstone
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H 1.57 in W 0.67 in D 0.32 in L 1.18 in
Dalben Australian Boulder Opal Yellow Gold Dangle Earrings
By Oreste Dalben
Located in Como, IT
Australian Boulder Opals weighing 23 carats. max width 13,50 mm height without leverback 24,3 mm height
Category

21st Century and Contemporary Italian Contemporary Dangle Earrings

Materials

Opal, Yellow Gold, 18k Gold

Yellow Gold Opal Diamond Cluster Ring 14k OvalCabochon.52ctw Flowers Three-Stone
Located in Greensboro, NC
Stone Information Natural Opals Carat(s): .40ctw Cut: Oval Cabochon Natutal Diamonds Carat(s): .12ctw
Category

21st Century and Contemporary Cocktail Rings

Materials

Diamond, Opal, 14k Gold, Yellow Gold

Antique Art Deco Platinum Natural Black Opal and Diamond Statement Ring - GIA
Located in Great Neck, NY
/2 Diamonds: Approximately .40 cts Color: H Clarity: VS2 Black Opal: Approximately 10 cts - GIA
Category

Vintage 1930s Art Deco Fashion Rings

Materials

Diamond, Opal, Platinum

Fire opal 18 Karat Gold Diamond Stud Earrings
By Meghna Jewels
Located in Hoffman Estate, IL
Cast in 18 karat gold. These stunning stud earrings are hand set in 7.61 carats fire opal, .40
Category

21st Century and Contemporary Unknown Contemporary Stud Earrings

Materials

Diamond, Opal, Gold, 18k Gold

Turquoise and Opal Bar Necklace, Mixed Metal, Handmade Cable Neck Chain
By Five Star Jewelry
Located in Austin, TX
This hand forged pendant is gorgeous with a bezel set opal and turquoise. The opal’s origin is
Category

21st Century and Contemporary American Art Deco Pendant Necklaces

Materials

Turquoise, Opal, Sterling Silver, Mixed Metal

Boulder Opal Gold Earrings Triangle Australian Gemstone Rainbow gemstone
By Alexey Gabilo
Located in Berlin, DE
- 0.16 х 0.55 x 0.79 in / 4 х 14 х 20 mm opals weight - 14.40 carats earrings length - 1.57 in / 40 mm
Category

2010s French Art Nouveau Lever-Back Earrings

Materials

Opal, 14k Gold, Yellow Gold, Gold

Large Opal Necklace silver Blue Genuine Australian Gemstome LOTR Style Pendant
Located in Berlin, DE
1,57 in / 4 x 15 x 40 mm stone weight - 22.70 carat pendant lenght - 51 mm pendant weight - 7.78 grams
Category

2010s German Artisan Pendant Necklaces

Materials

Opal, Silver

Large Opal Necklace silver Blue Genuine Australian Gemstome LOTR Style Pendant
Large Opal Necklace silver Blue Genuine Australian Gemstome LOTR Style Pendant
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H 3.94 in W 1.57 in D 0.16 in L 3.94 in
Opal Diamond Blue Sapphire 18 Karat Gold Earrings
By Meghna Jewels
Located in Hoffman Estate, IL
These Opal diamond stud earrings are handmade in 18-karat gold. It is set in 12.72 carats opal
Category

21st Century and Contemporary Unknown Contemporary Stud Earrings

Materials

Blue Sapphire, Diamond, Opal, Gold, 18k Gold

Wendy Yue Sculptural Ring in 18kt Gold 28.92 Ctw Black Opal Diamonds & Tsavorite
By Wendy Yue
Located in Miami, FL
8.72 carats, Fancy natural color, VS/SI clarity Black Opal: Mount in the center with one oval cabochon
Category

21st Century and Contemporary Hong Kong Contemporary Cocktail Rings

Materials

Diamond, Yellow Diamond, Opal, White Diamond, Tsavorite, Black Opal, 18k...

Lady's Mintabie Boulder Opal and Diamonds 18k Yellow Gold
Located in New York, NY
91.0 carats. 40 baguette blue sapphire. Total weight is 4.60 carats. 12 round brilliant cut diamond
Category

Vintage 1970s American Art Deco Brooches

Materials

Diamond, Opal, 18k Gold, Yellow Gold

Estate Faceted Black Pearl, Black Opal, Diamond 18K Gold Platinum Cocktail Ring
Located in New York, NY
approximately 13.4mm Diamonds weighing a total of .40 carats Size 6.5 Total weight 19.1 grams Marks: 18K, Plat
Category

20th Century Cocktail Rings

Materials

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

Carved Aquamarine Opal Diamond 18 Karat Gold Linear Earrings
By Meghna Jewels
Located in Hoffman Estate, IL
, 2.07 carats opal, 1.41 carat pearl, 2.55 carats topaz, Tourmaline, and .40 carats glimmering diamonds
Category

21st Century and Contemporary Modern Drop Earrings

Materials

Diamond, Topaz, Aquamarine, Multi-gemstone, Opal, Pearl, Tourmaline, Gol...

Pink Opal 18 Karat White Gold Made in Italy Necklace
By Margherita Burgener
Located in Valenza , IT
series of three squared pink opals surrounded by diamonds. The pendant is flexible. Length of the pendant
Category

21st Century and Contemporary Italian Contemporary Pendant Necklaces

Materials

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

0.40ctw Diamond and Opal Cluster Ring, 14k Yellow Gold, Ring Size 6.75
Located in McLeansville, NC
- diamonds, 12 stones - round brilliant cut - 2 - 2.25 mm - approximately .40 total carats - H-I color
Category

2010s Fashion Rings

Materials

Diamond, Opal, 14k Gold, Yellow Gold

Majesté Charm Australian Opal and Diamond Drop Earrings in 14K Yellow Gold
Located in Bangkok, TH
Gemstones Type: Australian Opal Shape: Oval Cabochon Size: 10x8 mm. Number: 2 Weight: 3.80 Carat (approx. in
Category

21st Century and Contemporary Unknown Art Deco Drop Earrings

Materials

Diamond, Opal, 14k Gold, Yellow Gold

Zorab 18KT Rose Gold Earrings with 27.66Ct. White Opal & 1.88Ct. Blue Sapphire
By Zorab Creation
Located in New York, NY
pierced with a french clip back and can be adjusted to clip on. White Opal total weight = 27.66 Carats
Category

Early 2000s Turkish Modern Clip-on Earrings

Materials

Opal, Blue Sapphire, 18k Gold, Rose Gold

Vintage 14k Gold Cabochon Opal w/ Seed Pearl & Diamond Dangle Pin Brooch Pendant
Located in Montclair, NJ
--Stone(s):-- (11) Natural Genuine Opal - Oval Cabochon Cut - Multi-Prong Set - Translucent White
Category

21st Century and Contemporary Revival Brooches

Materials

Diamond, Opal, Pearl, 14k Gold

Le Vian Neopolitan Opal & Diamond Halo Ring Rose Gold 14k Cushion Cabochon.70ctw
By Le Vian
Located in Greensboro, NC
Content: 14k Rose Gold & 14k White Gold Stone Information Natural Neopolitan Opal Carat: .60ct Cut
Category

21st Century and Contemporary Cocktail Rings

Materials

Diamond, Opal, 14k Gold, Rose Gold, White Gold

Huge Cabochon Opal Cocktail Ring with Diamond Halo in 18 Karat Yellow Gold
Located in Scottsdale, AZ
arranged in a horizontal layout. The sizeable 8.36 carat opal has an incredible play of color, showing
Category

20th Century Unknown Contemporary Cocktail Rings

Materials

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

Silvia Furmanovich Dangle Drop Earrings 18Kt Gold 18.61 Ctw In Diamonds & Gems
By Silvia Furmanovich
Located in Miami, FL
natural fierce red Brazilian fire opals, with a weight of 6.16 carats. Topaz: Mount in four-prongs
Category

1990s Brazilian Modernist Dangle Earrings

Materials

Diamond, White Diamond, Opal, Topaz, Blue Topaz, Fire Opal, Gold, 18k Go...

Stephen Webster Fly by Night Black Opalescent Crystal Haze and Diamond Earstuds
By Stephen Webster
Located in London, GB
carats), the 18k white gold and black opalescent crystal haze (6.65 carats) are perfect to wear day or
Category

2010s British Contemporary Stud Earrings

Materials

Crystal, Diamond, Black Diamond, Opal, Quartz, Other, Gold, 18k Gold, Wh...

Stephen Webster Fly by Night Black Opalescent Crystal Haze and Diamond Pendant
By Stephen Webster
Located in London, GB
, unique black opalescent with clear quartz Crystal Haze (5.12 carats) and elegant 0.19 carat black diamond
Category

2010s British Contemporary Pendant Necklaces

Materials

Crystal, Black Diamond, Opal, Diamond, Quartz, Other, Gold, 18k Gold, Wh...

Stephen Webster Fly by Night Black Opalescent Crystal Haze and Diamond Ring
By Stephen Webster
Located in London, GB
white gold, set with alluring 0.12 carat black diamond pavé and stunning black opalescent with clear
Category

2010s British Contemporary Cocktail Rings

Materials

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

Stephen Webster Fly by Night Black Opalescent Crystal Haze & Diamond Large Ring
By Stephen Webster
Located in London, GB
Haze (14.74ct) and 0.35 carat black diamond pavé, this statement ring is perfect to wear as a bold
Category

2010s British Contemporary Cocktail Rings

Materials

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

Stephen Webster Fly by Night Black Opalescent Crystal Haze and Diamond Earrings
By Stephen Webster
Located in London, GB
with clear quartz Crystal Haze (8.43ct), 1.59ct blue sapphire pavé and 0.18 carat black diamond pavé
Category

2010s British Contemporary Dangle Earrings

Materials

Crystal, Diamond, Black Diamond, Opal, Quartz, Sapphire, Blue Sapphire, ...

Rose Gold Aquamarines Artisan Contemporary Ring with Diamonds and Sapphires
By Polya Medvedeva Jewellery
Located in Berlin, DE
, approximately 0,6-0,8 carats each. Please contact us for more details about the piece. Around 40 carats in total
Category

21st Century and Contemporary German Contemporary Cluster Rings

Materials

Yellow Sapphire, Green Sapphire, Spinel, Topaz, Other, Purple Sapphire, ...

Eighteen Karat Rose Gold Contemporary Engagement Artisan Ring with Diamonds
By Polya Medvedeva Jewellery
Located in Berlin, DE
, which has a total of around 40 carats. A video will be available soon to showcase the ring, which was
Category

21st Century and Contemporary German Contemporary Engagement Rings

Materials

Zultanite, Sapphire, Pink Sapphire, Yellow Sapphire, Green Sapphire, Spi...

Modernist Studio 1980 Cocktail Ring In 14Kt Yellow Gold With 26 Cts Fire Agate
Located in Miami, FL
beautiful iridescent rainbow colors, similar to opal, with a measurement of hardness on the Mohs scale of
Category

Vintage 1980s American Modernist Cocktail Rings

Materials

Agate, Gold, 14k Gold, Yellow Gold

Antique Dangle Earrings 2 ctw Diamonds 18K Gold Silver /7.8gr
Located in SE
diamond weight on this pair including all minor stones is 2.5 carat. All stones with closed backs and
Category

Antique Late 18th Century European Renaissance Revival Dangle Earrings

Materials

Diamond, Pearl, 18k Gold, Silver

40 Carat Australian Opal Diamond Necklace 14 Karat Yellow Gold
Located in Barnsley, GB
This is a large Australian Opal 40 Carat s which shows off bright colors that flash from it
Category

21st Century and Contemporary Australian Contemporary Pendant Necklaces

Materials

Diamond, Opal

40 Carat Australian Opal Diamond Necklace 14 Karat Yellow Gold
Located in Barnsley, GB
This is a large Australian Opal 40 Carat s which shows off bright colors that flash from it
Category

21st Century and Contemporary Australian Contemporary Pendant Necklaces

Materials

Diamond, Opal

40 Carat Multi-Color Harlequin Pattern Free-Form Custom Opal Pendant
Located in Walnut Creek, CA
This is a one of a kind 14 karat yellow gold 40 carat, multi color, harlequin pattern, free form
Category

Vintage 1980s American Contemporary Necklace Enhancers

Materials

Diamond, Opal, Pink Sapphire, Tsavorite, 14k Gold

6.92 Carat Opal and Diamond Rose Gold Ring
Located in Naples, FL
14k rose gold halo diamond and opal ring. The oval opal weighs 6.92 carats total weight and the 40
Category

21st Century and Contemporary More Rings

Materials

Diamond, Opal, 14k Gold, Rose Gold

20 Carat Australian Opal Diamond Necklace 14k Yellow Gold
Located in Barnsley, GB
This bright Australian Opal Necklace stand out with the 12 Diamonds which really adds a touch of
Category

21st Century and Contemporary Australian Contemporary Pendant Necklaces

Materials

Opal, Diamond, 14k Gold, Yellow Gold

Beautiful Victorian Opal and 2.60 Carat Diamond Fly Brooch/Pendant
Located in Napoli, IT
) - 3 oval cabochon cut natural harlequin opal of 9 x 5 mm. each (average) Measures: 25 x 40 mm. (h. x w
Category

Antique 1880s Victorian Pendant Necklaces

Materials

Diamond, Opal, 18k Gold

Fire Opal, Purple Sapphire and Diamond Cocktail Ring
By carpenter and sons
Located in Aliso Viejo, CA
A cherry red-orange Fire Opal is centered in this ring and weighs 1.3 carats. The color is a top
Category

Early 2000s American Modern Cocktail Rings

Materials

Purple Sapphire, Diamond, Opal, Fire Opal, 18k Gold, Yellow Gold, Platin...

Australian Bolder Opal Diamond Necklace 14 Karat Yellow Gold
Located in Barnsley, GB
and Blue Brown Yellow and with 40 diamonds Boulder opals are found only in the state of Queensland
Category

21st Century and Contemporary Contemporary Pendant Necklaces

Materials

Diamond, Opal, Yellow Gold

Burle Marx 18 Karat Gold Brazilian Crystal Opal Pendant or Brooch
By Burle Marx
Located in Woodway, TX
/Brooch. It is approximately 40 carats in size, and its face is approximately 1.55 inches by 1.38 inches
Category

Vintage 1980s Brazilian Brooches

Materials

Opal, 18k Gold

Unique Pendant, Opale Head and Engraved Tourmalines on a 18 K Yellow Gold Chain
By Marion Jeantet
Located in Paris, FR
Created around the opal head, this unique necklace is georgous and luminous. Opale head weight
Category

21st Century and Contemporary French Contemporary Chain Necklaces

Materials

Pearl, Freshwater Pearl, Tourmaline, Fire Opal, Gold, 18k Gold, Yellow Gold

Daou Feather Pendant, Art Nouveau Style in Engraved Gold
By Daou
Located in London, EMEA - British Isles
polished forms and the movement in the shape. Beautifully wearable. Made in the UK in 18 carat yellow gold
Category

2010s British Art Nouveau Pendant Necklaces

Materials

Gold, 18k Gold, Yellow Gold

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40 Carat Opal For Sale on 1stDibs

Surely you’ll find the exact 40 carat opal you’re seeking on 1stDibs — we’ve got a vast assortment for sale. Every item for sale was constructed with extraordinary care, often using Gold, 14k Gold and 18k Gold. Find an antique version now, or shop for 8 vintage or 32 modern creation for a more contemporary example of these cherished accessories. Finding the perfect 40 carat opal may mean sifting through those created during different time periods — you can find an early version that dates to the 20th Century and a newer variation that were made as recently as the 21st Century. A 40 carat opal from LB Exclusive, Alberto and Renata Bernard — each of whom created a beautiful version of this treasured accessory — is worth considering. Today, if you’re looking for an oval cut version of this piece and are unable to find the perfect match, our selection also includes round cut and mixed cut alternatives. When shopping for a 40 carat opal, you’ll find that there are less available pieces for unisex or men today than there are for women.

How Much is a 40 Carat Opal?

Prices for a 40 carat opal can differ depending upon size, time period and other attributes — at 1stDibs, these accessories begin at $449 and can go as high as $38,500, while this accessory, on average, fetches $3,900.