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20th Century Jewelry

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Period: 20th Century
Gemstone: Opal
Retro c1960's Australian 4.50ct Opal 9K Yellow Gold Ring
Located in MELBOURNE, AU
Of Australian provenance, this ring is crafted in 9K Yellow Gold, centrally set with an Australian Opal Doublet of very unusual triangle shape of impressive 4.50ct (20mm x 14mm a...
Category

Australian Retro Vintage 20th Century Jewelry

Materials

Opal, 9k Gold, Yellow Gold

2.68 Carat Oval Cab Ethiopian Opal with Diamond Accents 10K White Gold Earring
Located in New York, NY
Decorate yourself in elegance with this Earring is crafted from 10-karat White Gold by Gin & Grace Earring. This Earring is made up of 9x7 mm Oval - Cab (2pcs) 2.68 carat Ethiopian Opal and Round-cut White Diamond (64 Pcs) 0.36 Carat. This Earring is weight 3.76 grams. This delicate Earring...
Category

Chinese Art Deco 20th Century Jewelry

Materials

Diamond, Opal, 10k Gold, Yellow Gold

21st Century GIA Opal Diamond Cocktail Platinum Ring
Located in Miami, FL
This stunning diamond and opal cocktail ring is crafted in solid platinum, weighing 10.3 grams and measures 24mm x 13mm high. Showcasing a prominent four-prong set cosmic GIA certif...
Category

Art Deco Vintage 20th Century Jewelry

Materials

Diamond, Opal, Platinum

Vintage Custom 2 Carat Boulder Opal on 22K and 14K Gold Cocktail Fashion Ring
Located in Milford, DE
A gorgeous opal in a unique cut! This statement cocktail ring features a custom-cut boulder opal with a mesmerizing, blue, black, and purple play of color in the body. Set in a decor...
Category

20th Century Jewelry

Materials

Opal, 22k Gold

Art Deco Opal & Diamond Ring Certified
Located in Southbury, CT
This Art Deco opal and diamond ring features a glowing, ethereal certified natural Australian crystal opal weighing approximately 6.5 ca...
Category

American Art Deco Vintage 20th Century Jewelry

Materials

Opal, Diamond, White Gold, 18k Gold

Signed High Karat Gold Memphis School Opal, Amethyst, & Pearl Cufflinks
Located in Philadelphia, PA
A pair of fine signed high karat gold Memphis School style cufflinks. Each with a bezel-set, rectangular purple opal cabochon, a bezel-set triangular amethyst, and 2 pearls. Marked...
Category

Unknown Modernist 20th Century Jewelry

Materials

Amethyst, Opal, Pearl, Gold, 18k Gold

Vintage Multi-Strand Opal Bead Necklace, 14k Gold Clasp With Pearls
Located in Milford, DE
Elevate your jewelry collection with this exquisite multi-strand opal bead necklace. Expertly crafted with five luxurious strands, each one is intricately adorned with lustrous opal ...
Category

European Artisan 20th Century Jewelry

Materials

Opal, Pearl, 14k Gold

GIA Black Opal Australian Platinum Diamond Vintage Ring Fire Solid Huge 6.79 CTS
Located in Sylvania, GA
Old South Jewels proudly presents...LUXURY GIA CERTIFIED SOLID AUSTRALIAN BLACK OPAL & DIAMOND VINTAGE PLATINUM RING! FINE EARTH-MINED 4.52 CARAT AUSTRALIAN SOLID BLACK OPAL, WITH ...
Category

20th Century Jewelry

Materials

Diamond, Opal, Black Opal, Platinum

Yellow Gold Onyx Opal Inlay Ring
Located in Dallas, TX
A very unusual ring, with a beautiful inlay of black onyx and opal!
Category

20th Century Jewelry

Materials

Onyx, Opal, 14k Gold, Yellow Gold

Vintage Diamond Gemstone 14k Gold Harem Ring
Located in Beverly Hills, CA
One Vintage Diamond Gemstone 14k Gold Harem Ring. Featuring one round brilliant cut diamond weighing approximately 0.05 carat, graded G color, SI1 clarity. Accented by two round cut ...
Category

Vintage 20th Century Jewelry

Materials

Diamond, White Diamond, Emerald, Opal, Ruby, Sapphire, Blue Sapphire, Go...

Tiffany & Co. By Paloma Picasso Suite of 5 Sugar Stack Rings 18Kt Gold With Gems
Located in Miami, FL
Suite of five stack rings designed by Paloma Picasso for Tiffany & Co. Beautiful suite of five stackable sugar rings, created in New York city by Paloma Picasso for the Tiffany & Co...
Category

American Modernist Vintage 20th Century Jewelry

Materials

Quartz, Tourmaline, Peridot, Opal, Aquamarine, Yellow Gold, 18k Gold, Gold

Opal Stud Earrings in Yellow Gold
Located in Coral Gables, FL
14 Karat Yellow Gold Oval Stud Earrings Featuring Two 10mm x 8mm Cabochon Opals Weighing Approximately 3.00 Carats with Lots of Play of Color Including Red and Orange Flashes. Pierce...
Category

20th Century Jewelry

Materials

Opal, 14k Gold, Yellow Gold

1.60 Carat Opal Yellow Gold Drop Pendant Necklace, circa 1940's
Located in Stamford, CT
Australian opal necklace pendant. 4 natural round a and oval untreated blue green opals in a handmade dangle bezel set drop pendant in 14k yel...
Category

20th Century Jewelry

Materials

Opal, 14k Gold, Yellow Gold, Gold

Vintage Circa 1980s 18k Gold Natural Diamond And Sapphire Emerald Opal Brooch
Located in Fatih/İstanbul, 34
In very good condition. Total weight is 8.4 grams. Totally is diamond 0.85 carat. The diamond is has G-H color and vs-s1-s2 clarity. Totally is emerald and emerlad 0.40 ct. Box is no...
Category

European Retro Vintage 20th Century Jewelry

Materials

Diamond, Emerald, Opal, Sapphire, 18k Gold

Onyx and Oval-Cab Pink Opal with Diamond Accents 14K Yellow Gold Ring
Located in New York, NY
Stunning, timeless and classy eternity Unique ring. Decorate yourself in luxury with this Gin & Grace ring. The 14k Yellow Gold jewelry boasts 8x10 mm oval cab Pink Opal (1pcs) 2.16 ...
Category

Chinese Art Deco 20th Century Jewelry

Materials

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

Tiffany & Co. Opal Ring Art Deco Size 9.5
Located in Southbury, CT
This rare and impressive ring from Tiffany & Co. was created in the Art Deco era (circa 1930s). Originally made for a man, it could of course be worn buy anyone today. The solid, impeccably crafted ring is made from heavy 14K yellow gold and features an electrifying natural solid opal that displays a full spectrum of colors, including flashes of reddish-orange right in the center. The opal measures approximately 12.47mm x 10.94mm x 5.11mm and weighs approximately 4 carats. The shoulders are deeply engraved and the band narrows around the back, so if you need this size 9.5 ring resized by your local jeweler, the design won't be compromised. The interior is marked for metal fineness (14K) and is stamped with the Tiffany & Co hallmark. Gemstone rings for men...
Category

American Art Deco Vintage 20th Century Jewelry

Materials

Opal, 14k Gold

Vintage Circa 1990s 18k Gold Natural Diamond And Australian Opal Decorated Ring
Located in Fatih/İstanbul, 34
In very good condition. Total weight is 7.1 grams. Totally is diamond 0.25 ct. The diamond is has G color and vvs-vs clarity. Ring size is US 6.5 (We offer free resizing) We can make...
Category

European Retro 20th Century Jewelry

Materials

Diamond, Opal, 18k Gold

Southwestern Turquoise and Opal Inlay Cuff Bracelet
Located in Webster, SD
This beautiful, vintage, Southwestern cuff bracelet is sterling silver. It features a combination of turquoise, opal and jet inlay. The face of this cuff bracelet is 3/4 of an inch ...
Category

American Native American 20th Century Jewelry

Materials

Opal, Turquoise, Sterling Silver

Rainbow Earrings Turquoise Opals Diamonds 5.15 Carats
Located in Laguna Niguel, CA
It comes with the Gemological Appraisal by GIA GG/AJP All Gemstones are Natural 2 Turquoise = 1.65 Carats 8 Opals = 2.20 Carats 152 Diamonds = 1.30 Carats Metal: Sterling Silver Dime...
Category

Art Deco 20th Century Jewelry

Materials

Diamond, White Diamond, Opal, Turquoise, Silver, Sterling Silver

Vintage Bright Australian Opal High Dome Ring 14K Gold R6716
Located in Osprey, FL
♥ A vintage high dome ring set with very bright Australian Opals all around the crown ♥ Solid 14K gold; the dark color you see from the photos is from vintage wear ♥ The face of the ...
Category

American Victorian 20th Century Jewelry

Materials

Opal, 14k Gold

Art Deco Opal and Diamond 18 Carat Gold Cluster Ring
Located in Chipping Campden, GB
Sat at the centre of a sparkling halo of diamonds is a gorgeous opal. The opal has wonderful hues of fiery red which glow under any light. The diamond halo totals 20pts. The stones a...
Category

British Art Deco Vintage 20th Century Jewelry

Materials

Diamond, Opal, Gold, Platinum

Garrards Fire Opal Diamond and Platinum Drop Earrings and Negligee Pendant Set
Located in London, GB
A Garrards fire opal and diamond drop earrings and negligee pendant set. The earrings have old European-cut diamond tops, in rub over settings, with four articulating, graduating row...
Category

British Art Deco Vintage 20th Century Jewelry

Materials

Diamond, Opal, Fire Opal, Platinum

Antique Circa 1900s 14k Gold Natural Diamond And Opal Decorated Ring
Located in Fatih/İstanbul, 34
In very good condition. Total weight is 5.7 grams. Totally is diamond 0.30 ct. The diamond is has G-H color and vvs-vs clarity. Totally is opal about 3 ct. Ring size is US 5.5 We can...
Category

European Victorian Antique 20th Century Jewelry

Materials

Diamond, Opal, 14k Gold

Antique Art Deco 18K Yellow Gold Natural Cabochon Opal Filigree Ring
Located in Great Neck, NY
Beautiful Antique Art Deco 18K Yellow Gold Natural Cabochon Opal Filigree Ring. This gorgeous antique art deco opal ring is crafted in 18k yellow gold. The center holds a gorgeous na...
Category

Art Deco Vintage 20th Century Jewelry

Materials

Opal, Gold, 18k Gold, Yellow Gold

GIA Black Opal Vintage Pendant 14K Australian Natural Rainbow Huge Fine 5.53 CTS
Located in Sylvania, GA
Old South Jewels proudly presents...GIA CERIFIED VINTAGE AUSTRALIAN BLACK OPAL 14K PENDANT! HUGE 5.47 CARAT OPAL. NATURAL AUSTRALIAN SOLID BLACK OPAL WITH RAINBOW FLASHES OF NEON GREEN, RED, PEACH, ELECTRIC BLUE, PINK, PURPLE, AND GOLD. Still Beautifully Kept In Rare Vintage Leather Box...
Category

20th Century Jewelry

Materials

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

Opal Art Deco Jelly Opal Diamond Platinum 18 Karat Gold Vintage Halo Ring
Located in Philadelphia, PA
Centering an oval-shaped jelly opal cabochon measuring 10.5 x 13.0 mm bezel set in platinum-topped gold Transparent white in body color with spectral play-of-color Featuring a halo ...
Category

Art Deco Vintage 20th Century Jewelry

Materials

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

Vintage Cross Blue Opal 9tcw Pendant Antique 10k Yellow Gold Pendant
Located in Overland Park, KS
Listed is a vintage 10k gold opal cross pendant. It is large and the opals are spectacular blue color while being very uniform in the piece, this is a feat for natural opals. The len...
Category

20th Century Jewelry

Materials

Opal, Gold, 10k Gold, Yellow Gold

Opal and Gold Cluster Cocktail Ring
Located in New York, NY
A very beautiful vintage opal gemstone and 14-Karat yellow gold cocktail ring, circa 1960s. Ring is well-made, substantial; comprised of 22 quality round opals, all prong set, with a...
Category

Unknown 20th Century Jewelry

Materials

Opal, 14k Gold, Yellow Gold, Gold

Boulder Opal and Diamond Abstract Ring
Located in London, GB
This is an 18ct yellow gold boulder opal and diamond abstract ring. The central opal is rub-over set, naturally shaped and has a wondrous play of colour. This focal stone is compleme...
Category

20th Century Jewelry

Materials

Diamond, Opal, 18k Gold, Yellow Gold

Rainbow Earrings Turquoise Opals Diamonds 5.15 Carats
Located in Laguna Niguel, CA
It comes with the Gemological Appraisal by GIA GG/AJP All Gemstones are Natural 2 Turquoise = 1.65 Carats 8 Opals = 2.20 Carats 152 Diamonds = 1.30 Carats Metal: Sterling Silver Dime...
Category

Art Deco 20th Century Jewelry

Materials

Diamond, White Diamond, Opal, Turquoise, Silver, Sterling Silver

Natural White Opal and Diamond Ring Set in 18k Yellow Gold
Located in Tokyo, JP
A beautiful Cocktail Ring featuring a Natural Australian White Opal and 0.25 Carats of Diamond Accents set in 18K Yellow Gold. Opals are ...
Category

Japanese Modern 20th Century Jewelry

Materials

Diamond, Opal, 18k Gold, Yellow Gold

2.10 Carat Cushion-Cab Ethiopian Opal Diamond Accents 14K Yellow Gold Earring
Located in New York, NY
Decorate yourself in elegance with this Earring is crafted from 14-karat Yellow Gold by Gin & Grace Earring. This Earring is made up of 8x6 mm Cushion- Cab (2pcs) 2.10 carat Ethiopia...
Category

Chinese Art Deco 20th Century Jewelry

Materials

Diamond, Opal, Yellow Gold, 14k Gold

18K Yellow Gold Custom Tourmaline, Diamond, & Opal Ring, 12gr
Located in Laguna Beach, CA
Ladies tourmaline, diamond and opal custom made ring in 18k yellow gold. Stamped 18k and weighs 11.9 grams gross weight. The gold tests 73% gold with an XRF metals analyzer. The t...
Category

20th Century Jewelry

Materials

Diamond, Opal, Tourmaline, Yellow Gold

Van Cleef & Arpels Le Pisson De La Mer Tropicale Brooch
Located in New York, NY
A Masterstroke of Creativity with an Explosion of Color, this Van Cleef & Arpels Brooch Expresses its Design Through a Vibrant Oval Shaped Black Opal Reminiscent of the Caribbean Sea...
Category

Vintage 20th Century Jewelry

Materials

Diamond, Opal, Platinum

White Opal Pendant with Diamonds in 18 Karat Yellow Gold
Located in Lucerne, CH
Presenting a white opal pendant in 18 Karat yellow gold is a luxurious and elegant piece of jewelry. The opal, with its milky white body tone, hig...
Category

European 20th Century Jewelry

Materials

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

70s Vintage Opal Butterfly Ring 14k Yellow Gold Sz 6.75 Cocktail Estate Jewelry
Located in Torrance, CA
Stylish opal butterfly ring crafted in 14 karat yellow gold (circa 1970s). Opals measure 10mm x 4mm and 8mm x 3mm. The opals are in very good condition and free of cracks or chips....
Category

Unknown Modern 20th Century Jewelry

Materials

Opal, Gold, 14k Gold, Yellow Gold

Australian Opal 18 Karat Yellow Gold Diamonds Coral Pendant Necklace
Located in Marcianise, IT
Magnificent necklace with a pendant depicting a cute owl resting on a coral branch, made of 18k yellow gold, many diamonds set on the tail feathers, the owl was engraved on an Austra...
Category

European Artisan 20th Century Jewelry

Materials

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

Edwardian Opal Navette Ring
Located in London, GB
Here we have a stunning antique opal navette ring dating back to the Edwardian period. A cluster of nine oval shaped white opals possessing a magical iridescence, dominate the boat s...
Category

Edwardian 20th Century Jewelry

Materials

Opal, 18k Gold, Yellow Gold

Three Stone Opal and Diamond Ring
Located in London, GB
This is an 18ct yellow gold opal and diamond ring. The ring is set with three graduated oval cut cabochon opals that each have a vibrant and wonderful play of colour. There is also f...
Category

20th Century Jewelry

Materials

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

Angela Cummings 18k Yellow Gold Fire Opal, Jade 1986 Earrings
Located in New York, NY
Experience the exquisite craftsmanship of Angela Cummings with these rare and collectible earrings. Oversized at 1 1/8 inches, they showcase a mesmerizing combination of fire opal, b...
Category

American Modern 20th Century Jewelry

Materials

Jade, Opal, Fire Opal, 18k Gold, Yellow Gold

North Star Cocktail Watch 14K Yellow Gold Diamonds and Opals
Located in New York, NY
Introducing the North Star 1960's Opal and Diamond Cocktail Watch, a radiant fusion of elegance and sophistication. Crafted with exquisite detail, this captivating timepiece features...
Category

Swiss Retro Vintage 20th Century Jewelry

Materials

Diamond, Opal, Yellow Gold

Vintage 14K Yellow Gold and White Opal Cufflinks.
Located in Point Richmond, CA
Vintage 14K Yellow Gold and White Opal Cufflinks. The opals are a triangular cabochon cut of a a semi-translucent to opaque white body with pin-po...
Category

American Modern Vintage 20th Century Jewelry

Materials

Opal, 14k Gold, Yellow Gold

Bespoke Opal And Diamond Round Cluster Bar Brooch 1.84ct
Located in SYDNEY, NSW
An Opal And Diamond Round Cluster Bar Brooch, with a round solid white crystal opal within a border of 14 old cut diamonds set in silver and 9ct rose gold. Opal 1.00ct (estimated), ...
Category

Vintage 20th Century Jewelry

Materials

Diamond, Opal, Rose Gold, Silver

Australian Solid 12.63ct Black Opal Type 1 & Diamond Ring in 18K Rose Gold + GSL
Located in MELBOURNE, AU
Featuring one of the most desirable gems: Australian Solid Natural Black Opal this piece of jewelry is a head turner & very important addition to your collection... ~~~ Performed...
Category

Australian Retro Vintage 20th Century Jewelry

Materials

Black Opal, Opal, Diamond, 18k Gold, Rose Gold

Antique French Opal and Diamond Ring
Located in London, GB
This is an 18ct yellow gold antique opal and diamond ring. The central opal features a lovely play of colour and is surrounded by a border of rose cut diamonds, set in an elegant flo...
Category

Art Nouveau Antique 20th Century Jewelry

Materials

Diamond, Opal, Gold, Yellow Gold

Vintage 14k Yellow Gold Round White Opal Crown Solitaire Engagement Ring
Located in Overland Park, KS
Vintage Round White Opal Crown Solitaire Listed is this understated sweet and beautiful opal engagement solitaire. The opal has color plays of neon green and blue hues coming off o...
Category

20th Century Jewelry

Materials

Opal, Gold, 14k Gold, Yellow Gold

Antique Opal five stone ring, 18k yellow gold
Located in NEWARK, GB
You can't help but be enchanted by this gorgeous antique, early 20th century opal ring. A rich 18ct yellow gold band with a boat head style setting and decorative carved shoulders. ...
Category

British Edwardian 20th Century Jewelry

Materials

Opal, 18k Gold, Yellow Gold

18kt Yellow Gold Australian Opal & Diamond Pendant
Located in San Francisco, CA
If you're looking for an Australian opal with phenomenal play of color, then look no further. This absolutely stunning piece features a natural wavy Australian boulder opal that disp...
Category

Unknown Vintage 20th Century Jewelry

Materials

Diamond, Opal, 18k Gold, Yellow Gold

Fire Opal Diamond Ring Large Oval Estate 18k White Gold Sz 9 Cocktail Fine Jewel
Located in Torrance, CA
Stylish natural Ethiopian fire opal & diamond ring crafted in 18k white gold. Natural opal measures 16mm x 11mm (estimated at 7.50 carats). The diamonds total an estimated 0.35 car...
Category

Unknown Modern 20th Century Jewelry

Materials

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

LB offers Vintage Danish Enamel Sterling pendant, glass Opals Quartz necklace
By Lorraines' Bijoux
Located in Pittsburgh, PA
Lorraine’s Bijoux offers a Vintage 50’s Danish Enamel and Sterling Silver brooch pendant Necklace. This is a stunning turquoise enamel piece that is a wonderful example of Danish cra...
Category

Danish Artisan 20th Century Jewelry

Materials

Opal, Quartz, Rock Crystal, Sterling Silver

21.57 Carat Cushion Cab Pink Opal Diamond Accents 14K Yellow Gold Ring
Located in New York, NY
Decorate yourself in elegance with this Ring is crafted from 14-karat Yellow Gold by Gin & Grace. This Ring is made up of 19.0 mm Cushion-Cab (1 pcs) 21.57 carat Pink Opal and Round-...
Category

Chinese Art Deco 20th Century Jewelry

Materials

Diamond, Opal, 14k Gold, Yellow Gold

Edwardian 9kt rose gold and silver round Opal and diamond brooch/pendant
Located in Braintree, GB
Antique Edwardian 9kt rose gold and silver round Opal and diamond brooch/pendant. Tested positive for 9kt gold and silver. Made in England, Circa 1910 Dimensions - Weight: 12.00 gra...
Category

British Edwardian Antique 20th Century Jewelry

Materials

Diamond, Opal, Rose Gold, Silver

Gurhan Rune Collection Opal Ring 24K Gold
Located in Dallas, TX
Gurhan Rune Collection Opal Ring in 24K Gold. The ring features a cabochon opal that measures approximately 13.80mm x 10.10mm. Ring size 9.75, weighs 16.50 grams.
Category

20th Century Jewelry

Materials

Opal, 24k Gold

Estate Fire Opal Oval Stone Diamond Halo Colorless VS Diamonds 18k yellow gold
Located in Overland Park, KS
This listing is for an estate fire opal diamond ring in 18k yellow gold and white basket. The center opal is 2.11ct, orangey translucent and beautiful. The surrounding diamonds are a...
Category

Modern 20th Century Jewelry

Materials

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

70s Freeform Mexican Fire Opal Necklace Pendant 14k Yellow Gold Orange Jewelry
Located in Torrance, CA
Elegant and finely detailed vintage Mexican fire opal necklace, crafted in 14 karat yellow gold (circa 1970s). Freeform natural opal measures 12mm x 10mm. The opal is in very good...
Category

Unknown Modern 20th Century Jewelry

Materials

Fire Opal, Opal, Yellow Gold, 14k Gold, Gold

14K Rose Gold Hand Wrought Ring with a large 6.05 carat Australian Opal
Located in Big Bend, WI
Vintage 14K rose gold 6.05 carat opal ring. The genuine natural Australian opal measures about 17mm x 12mm. The opal is freshly polished and has primarily pink and green play of colo...
Category

Vintage 20th Century Jewelry

Materials

Opal, Gold, 14k Gold, Rose Gold

Yellow Gold Opal Heart Bracelet
Located in Palm Desert, CA
14 Karat Yellow Gold Opal Heart Bracelet. This lovely 1980s link bracelet contains twenty-two heart-shaped Opals set in an open bezel. The opal hearts measure 5 x 4.8mm and the brace...
Category

Unknown Contemporary Vintage 20th Century Jewelry

Materials

Opal, Gold, 14k Gold, Yellow Gold

Yellow Gold Opal Pearl Hinged Bangle Bracelet
Located in Palm Desert, CA
14 Karat Yellow Gold Opal Pearl Hinged Bangle Bracelet. The 1950s bangle bracelet features nine pearls and nine opals prong-set in a bypass design. The pearls and opals measure 3.1mm...
Category

Unknown Retro Vintage 20th Century Jewelry

Materials

Opal, Pearl, Gold, 14k Gold, Yellow Gold

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