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4 Carat Opal

Art Deco 4 Carat Opal Ring 14 Karat Gold Hollywood Regency Antique Filigree
Art Deco 4 Carat Opal Ring 14 Karat Gold Hollywood Regency Antique Filigree

Art Deco 4 Carat Opal Ring 14 Karat Gold Hollywood Regency Antique Filigree

Located in New York, NY

Indulge in a stunning Antique Art Deco - Hollywood Regency Opal Ring with a gorgeous central 4 Carat Opal set in a 14 Karat Rose Gold filigree open work setting of great beauty.

Category

Early 20th Century Unknown Art Deco Cocktail Rings

Materials

Opal, 14k Gold, Gold, Rose Gold

4 Carat Opal Ring Mid-Century Modern 14 Karat Gold Eames Era Retro
4 Carat Opal Ring Mid-Century Modern 14 Karat Gold Eames Era Retro

4 Carat Opal Ring Mid-Century Modern 14 Karat Gold Eames Era Retro

Located in New York, NY

The top of the ring is 19mm long by 15mm wide. It sits 4 mm above the finger. The opal is approximately 18mm by 14mm by 3mm and is 4.3 Carats.

Category

20th Century Unknown Modern Cocktail Rings

Materials

Opal, Gold, 14k Gold, Yellow Gold

New Alex Sepkus 3.94 Carat Black Opal 18k Gold Ring
New Alex Sepkus 3.94 Carat Black Opal 18k Gold Ring

New Alex Sepkus 3.94 Carat Black Opal 18k Gold Ring

By Alex Sepkus

Located in Santa Barbara, CA

From noted New York City jewelry designer Alex Sepkus, this bespoke black opal ring is truly a work of art. The 4 carat opal displaying a fiery play of color exhibiting blue and gree...

Category

21st Century and Contemporary American Contemporary Cocktail Rings

Materials

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

Antique 1912 Edwardian Opal Old Mine Diamond 14K Gold Navette Ring
Antique 1912 Edwardian Opal Old Mine Diamond 14K Gold Navette Ring

Antique 1912 Edwardian Opal Old Mine Diamond 14K Gold Navette Ring

Located in Santa Barbara, CA

The navette shape was the Edwardian era's love letter to femininity — and this one is particularly enchanting. At its heart, a 3/4 carat opal shimmers with that elusive, shifting pla...

Category

Vintage 1910s Edwardian Cocktail Rings

Materials

Diamond, White Diamond, Opal, 14k Gold

18 Karat White Gold White Opal Ring '3 1/4 Carat'
18 Karat White Gold White Opal Ring '3 1/4 Carat'

18 Karat White Gold White Opal Ring '3 1/4 Carat'

Located in San Francisco, CA

This colorful opal and diamond ring features an oval opal framed by Micro prong round brilliant diamonds in 18k white gold. Experience the Difference! Product details: Center Gems...

Category

21st Century and Contemporary American More Rings

Materials

Opal, White Gold

Steven Battelle 4 Carats Boulder Opal Sterling 18k Gold Ring
Steven Battelle 4 Carats Boulder Opal Sterling 18k Gold Ring

Steven Battelle 4 Carats Boulder Opal Sterling 18k Gold Ring

By Steven Battelle

Located in Soquel, CA

A beautiful irregular shaped 9 x 19 mm cabochon of Quipee mine Australian boulder opal displays sheens of brilliant blue again contrasting gold while set in a "large/small jawan" dou...

Category

21st Century and Contemporary Balinese Contemporary Cocktail Rings

Materials

Opal, 18k Gold

4 Carat White Opal RBC Diamond Gold Double Halo Vintage Cocktail Ring
4 Carat White Opal RBC Diamond Gold Double Halo Vintage Cocktail Ring

4 Carat White Opal RBC Diamond Gold Double Halo Vintage Cocktail Ring

Located in Montreal, QC

Centering a securely nestled Hand set 4 Carat White Opal Gemstone. Surrounded by 1.30tcw Round Brilliant Cut Diamonds.

Category

Late 20th Century Modernist Cocktail Rings

Materials

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

4 Carat Mexican Fire Opal Ruby Ring 14 Karat Gold Art Deco Retro Cocktail Ring
4 Carat Mexican Fire Opal Ruby Ring 14 Karat Gold Art Deco Retro Cocktail Ring

4 Carat Mexican Fire Opal Ruby Ring 14 Karat Gold Art Deco Retro Cocktail Ring

Located in New York, NY

The sparkling oval Mexican Fire Opal is approximately 4 Carats and is one of the most gorgeous fire opals we have seen.

Category

20th Century Unknown Retro Cocktail Rings

Materials

Opal, Fire Opal, Ruby, Gold, 14k Gold

Natural Opal Diamond Ring 6.75 14k W Gold 4 TCW Certified
Natural Opal Diamond Ring 6.75 14k W Gold 4 TCW Certified

Natural Opal Diamond Ring 6.75 14k W Gold 4 TCW Certified

By Enrico Kassini

Located in Brooklyn, NY

TWT (G-H/VS-SI) Total Carat Weight: 4 Measurement: 14.9 x 9.57 x 5.96 mm Material: 14k White Gold Weight: 6.20 Grams This magnificent Opal ring will arrive with its Certificate of A...

Category

2010s American Engagement Rings

Materials

Diamond, Opal, Gold

Yellow Gold Australian Opal Link Bracelet 7 1/4" - 14k Oval Cabochon 2.45ctw
Yellow Gold Australian Opal Link Bracelet 7 1/4" - 14k Oval Cabochon 2.45ctw

Yellow Gold Australian Opal Link Bracelet 7 1/4" - 14k Oval Cabochon 2.45ctw

Located in Greensboro, NC

Metal Content: 14k Yellow Gold Stone Information Natural Australian Opals Carat(s): 2.45ctw Cut: Oval Cabochon Stone Note: some abrasions Total Carats: 2.45ctw Bracelet Style: Li...

Category

21st Century and Contemporary Link Bracelets

Materials

Opal, 14k Gold, Yellow Gold

4 Ct Oval Shape Black Australian Opal & Diamond 14 K Yellow Gold Pearl Necklace
4 Ct Oval Shape Black Australian Opal & Diamond 14 K Yellow Gold Pearl Necklace

4 Ct Oval Shape Black Australian Opal & Diamond 14 K Yellow Gold Pearl Necklace

Located in New York, NY

Introducing our exquisite 14K Yellow Gold Pearl Necklace featuring a captivating 4 Carat Oval Black Australian Opal surrounded by dazzling diamonds.

Category

2010s Pendant Necklaces

Materials

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

Yellow Gold Opal & Diamond Halo Ring -14k Quatrefoil Cab 2.03ctw Flower Sz 7 1/4
Yellow Gold Opal & Diamond Halo Ring -14k Quatrefoil Cab 2.03ctw Flower Sz 7 1/4

Yellow Gold Opal & Diamond Halo Ring -14k Quatrefoil Cab 2.03ctw Flower Sz 7 1/4

Located in Greensboro, NC

Size: 7 1/4 Metal Content: 14k Yellow Gold Stone Information Natural Opal Carat(s): 1.74ct Cut: Quatrefoil Cabochon Origin: Ethiopian Natural Diamonds Carat(s): .29ctw Cut: Single...

Category

21st Century and Contemporary Cocktail Rings

Materials

Diamond, Opal, 14k Gold, Yellow Gold

Precious White Opal & Boulder Opal "Heartbreak" Earrings in 18K Gold w Diamonds
Precious White Opal & Boulder Opal "Heartbreak" Earrings in 18K Gold w Diamonds

Precious White Opal & Boulder Opal "Heartbreak" Earrings in 18K Gold w Diamonds

By Eytan Brandes

Located in Sherman Oaks, CA

Weights & Measurements: Total length: 45mm Width (top discs): 11mm Thickness of bezels: approx. 3mm Opal weight: 4 carats Diamond weight: approx. 0.05 carats Total earr...

Category

2010s American Contemporary Dangle Earrings

Materials

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

Oval Opal Pendant 18k Yellow Gold
Oval Opal Pendant 18k Yellow Gold

Oval Opal Pendant 18k Yellow Gold

Located in Honolulu, HI

Item Specifications: Metal: 18K Yellow Gold Style: Opal Pendant Total Weight: 2.3 Grams Gemstone Specifications: Center Gemstone: Opal Gemstone Measurements: 19.2 mm x 11.7 mm ...

Category

21st Century and Contemporary Unknown Modern Pendant Necklaces

Materials

Opal, 18k Gold, Yellow Gold

18kt yellow gold OLE LYNGGAARD Boho Ring Opal
18kt yellow gold OLE LYNGGAARD Boho Ring Opal

18kt yellow gold OLE LYNGGAARD Boho Ring Opal

By Ole Lynggaard

Located in Amsterdam, NL

Designed by Charlotte Lynggaard, the BoHo ring small is crafted from 18 karat yellow gold with a 4 carat, 9×13 mm opal, and 3 hand-set diamonds 0.02 carat TW.

Category

21st Century and Contemporary Danish Modern Dome Rings

Materials

Opal, 18k Gold, Yellow Gold

Vintage 1970's Opal and Diamond Halo Ring 14k Gold
Vintage 1970's Opal and Diamond Halo Ring 14k Gold

Vintage 1970's Opal and Diamond Halo Ring 14k Gold

Located in South Pasadena, CA

The setting is mainly white gold but the prongs holding the opal are yellow gold. In very good condition. Size: Approx. 6.25 Metal: 14k Yellow and White Gold Stones: Opal approx. ...

Category

Vintage 1970s Contemporary Fashion Rings

Materials

Diamond, Opal, 14k Gold

Syna Yellow Gold Ethiopian Opal Sugarloaf Pendant with Diamonds
Syna Yellow Gold Ethiopian Opal Sugarloaf Pendant with Diamonds

Syna Yellow Gold Ethiopian Opal Sugarloaf Pendant with Diamonds

By Syna Jewels

Located in Fort Lee, NJ

Created in 18 karat yellow gold Ethiopian Opal 4 carats approx. Diamonds 0.11 carat approx.

Category

2010s American Contemporary Pendant Necklaces

Materials

Diamond, Opal, 18k Gold, Yellow Gold

Jelly Opal Diamond Drop Earrings, 18K Gold, Circa 1960, England
Jelly Opal Diamond Drop Earrings, 18K Gold, Circa 1960, England

Jelly Opal Diamond Drop Earrings, 18K Gold, Circa 1960, England

Located in North Hollywood, CA

These beautiful Jelly Opals are special. These Jelly Opal Drop earrings are 4.5cm long with a pear shaped Opal drop of approximately 4 carats and a top Round Opal of 2.25 carats to ...

Category

Vintage 1960s English Modernist Drop Earrings

Materials

Diamond, Opal, 18k Gold

Syna Opal Yellow Gold Earrings with Sapphires and Diamonds
Syna Opal Yellow Gold Earrings with Sapphires and Diamonds

Syna Opal Yellow Gold Earrings with Sapphires and Diamonds

By Syna Jewels

Located in Fort Lee, NJ

Created in 18 karat yellow gold Opal 4 carats approx. Sapphires 0.50 carat approx.

Category

2010s Thai Contemporary Stud Earrings

Materials

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

Syna Yellow Gold Opal Earrings with Tsavorites and Diamonds
Syna Yellow Gold Opal Earrings with Tsavorites and Diamonds

Syna Yellow Gold Opal Earrings with Tsavorites and Diamonds

By Syna Jewels

Located in Fort Lee, NJ

Created in 18 karat yellow gold Opal 4 carats approx. Tsavorites 0.70 carat approx.

Category

2010s American Contemporary Dangle Earrings

Materials

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

4 Carats Opal Oval Cabochon 14 Kt Gold 12 Full Cut Round Diamonds Cocktail Ring
4 Carats Opal Oval Cabochon 14 Kt Gold 12 Full Cut Round Diamonds Cocktail Ring

4 Carats Opal Oval Cabochon 14 Kt Gold 12 Full Cut Round Diamonds Cocktail Ring

By Tutti Frutti Jewellery

Located in Bangkok, TH

Colorful 4 Carats Opal oval cab ( 13 mm. x 11,5 mm.) set with 3,7 grams of 14 kt white gold, 12 round full cut diamonds of 0,05 ct. each = 0,6 carats total diamonds weight Ring Shank...

Category

2010s Thai Contemporary Cocktail Rings

Materials

Diamond, Opal, Gold, 14k Gold

Recent Sales

Karbra 14k Yellow Gold Tahitian Pearl and 4 Carat Opal Beetle Stick Pin
Karbra 14k Yellow Gold Tahitian Pearl and 4 Carat Opal Beetle Stick Pin

Karbra 14k Yellow Gold Tahitian Pearl and 4 Carat Opal Beetle Stick Pin

Located in Sherman Oaks, CA

Gorgeous 14k Yellow Gold Pin with Ornate Design and Tahitian Pearl and Opal Cabochon Accents Total Length of Pin = 67 mm Length of Beetle = 29 mm Width of Beetle = 20 mm Total Mass =...

Category

Vintage 1960s Modern Brooches

Materials

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

4 Carat Black Opal and Diamond Ring
4 Carat Black Opal and Diamond Ring

4 Carat Black Opal and Diamond Ring

By carpenter and sons

Located in Aliso Viejo, CA

The center stone is a 4-carat natural black opal with a gorgeous matrix of purple and blue.

Category

Early 2000s American Modern Cocktail Rings

Materials

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

4 Carat Black Australian Opal Diamond Ring 18 Karat White Gold
4 Carat Black Australian Opal Diamond Ring 18 Karat White Gold

4 Carat Black Australian Opal Diamond Ring 18 Karat White Gold

Located in Barnsley, GB

This is a unique 4 Carat Black Australian Opal which are very rare due to the fact they are so hard to find and it shows off bright colors blues and green.

Category

21st Century and Contemporary Australian Contemporary Fashion Rings

Materials

Diamond, Opal, 18k Gold, White Gold

4-3/4 ct. Opal & Blue and White Topaz Cluster Setting Sterling Silver Ring
4-3/4 ct. Opal & Blue and White Topaz Cluster Setting Sterling Silver Ring

4-3/4 ct. Opal & Blue and White Topaz Cluster Setting Sterling Silver Ring

By Affinity Designs LLC

Located in New York, NY

Indulge in the vitality of our Opal and Blue/White Topaz Cluster Setting Sterling Silver Ring. Crafted with meticulous attention to detail, this ring boasts a stunning combination of...

Category

2010s Asian Contemporary Fashion Rings

Materials

Opal, Topaz, Sterling Silver

41-4/5 ct. Emerald-Cut Sky Blue Topaz and Octangle Opal Sterling Silver Bracelet
41-4/5 ct. Emerald-Cut Sky Blue Topaz and Octangle Opal Sterling Silver Bracelet

41-4/5 ct. Emerald-Cut Sky Blue Topaz and Octangle Opal Sterling Silver Bracelet

By Affinity Designs LLC

Located in New York, NY

This stunning bracelet features 44 pieces of brilliant emerald-cut sky blue topaz and octangle opal stones set in an alternating pattern, creating a visually captivating design. Craf...

Category

2010s Asian Contemporary Modern Bracelets

Materials

Opal, Blue Topaz, Sterling Silver

Le Vian 13 Carat Opal Rose Gold Couture Ring
Le Vian 13 Carat Opal Rose Gold Couture Ring

Le Vian 13 Carat Opal Rose Gold Couture Ring

By Le Vian

Located in Great Neck, NY

A gorgeous 13-1/4 carat pear-shaped Neopolitan Opal shimmers from within a contrasting border of Passion Rubies (1/2 ct. t.w.) and sparking Vanilla Diamonds (5/8 ct. t.w.) in this 18...

Category

2010s Fashion Rings

Materials

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

14K White Opal Half Eternity Ring
14K White Opal Half Eternity Ring

14K White Opal Half Eternity Ring

Located in Miami Beach, FL

Made in America. 16 heart shaped stones set in 14k gold with white opals. 4 carats of white opals. Additional Information: Material: 14K Gold, Opal Width: 4mm Ring size: 4 Availabl...

Category

21st Century and Contemporary American Band Rings

Materials

Opal, 14k Gold

Leda Jewel Co Rhodochrosite & Australian Opal Bangle Bracelet Cuff
Leda Jewel Co Rhodochrosite & Australian Opal Bangle Bracelet Cuff

Leda Jewel Co Rhodochrosite & Australian Opal Bangle Bracelet Cuff

By Leda Jewel Co

Located in Montreal, Quebec

Rhodochrosite “bullseye” stalactite slice: 15 carats total weight. Australian opal: 4 carats total weight.

Category

2010s Artisan Bangles

Materials

Opal, Rhodocrosite, 22k Gold, Sterling Silver

14K White Opal Eternity Ring
14K White Opal Eternity Ring

14K White Opal Eternity Ring

Located in Miami Beach, FL

Made in America. 16 heart shaped stones set in 14k gold with white opals. 4 carats of white opals. Additional Information: Material: 14K White Gold, Stone, Opal Width: 4mm Ring siz...

Category

21st Century and Contemporary American Band Rings

Materials

Gold

18 Karat Rose Gold  Color Stones Dangle Earrings
18 Karat Rose Gold  Color Stones Dangle Earrings

18 Karat Rose Gold Color Stones Dangle Earrings

By Gianni Lazzaro

Located in Duesseldorf, DE

18 Karat Rose Gold color Stones Dangle Earrings 4 Opal 2.09 Carat. 2 Rose Opal 18.26 Carat 2 Tourmaline 8.93 Carat 2 Amethyst 2.47 Carat Founded in 1974, Gianni Lazzaro i...

Category

21st Century and Contemporary German Dangle Earrings

Materials

Amethyst, Opal, Tourmaline, 18k Gold, Rose Gold

4 Carat Australian Opal Heart Necklace
4 Carat Australian Opal Heart Necklace

4 Carat Australian Opal Heart Necklace

By Jen Proudman Jewelry

Located in New York, NY

Australian Opal Heart Necklace Australian Opal, Diamond, 14k Gold Four carat Australian Opal carved heart (12mm width) with a 2mm gold bezeled diamond. This necklace can be worn ...

Category

21st Century and Contemporary American Pendant Necklaces

Materials

Diamond, Opal, 14k Gold

18 Karat Rose Gold Opal and Diamonds Earrings '1 3/4 Carat'
18 Karat Rose Gold Opal and Diamonds Earrings '1 3/4 Carat'

18 Karat Rose Gold Opal and Diamonds Earrings '1 3/4 Carat'

Located in San Francisco, CA

This colorful opal and diamond earrings feature two perfectly matched Oval opal framed by Micro prong round brilliant diamonds in 18k rose gold. Experience the Difference! Product d...

Category

21st Century and Contemporary American More Earrings

Materials

Diamond, Opal, Rose Gold

Handcrafted 18KT Yellow Gold Opal Ring, 4 Carats by Aria Jewelry
Handcrafted 18KT Yellow Gold Opal Ring, 4 Carats by Aria Jewelry

Handcrafted 18KT Yellow Gold Opal Ring, 4 Carats by Aria Jewelry

By Aria Jewelry Design

Located in Raleigh, NC

This stunning piece comes from the skilled artisans of Belo Horizonte, Minas Gerais, Brazil, renowned for their craftsmanship. The bezel-set Opal cabochon, approximately 4 carats, is...

Category

21st Century and Contemporary Brazilian Artisan Cocktail Rings

Materials

Opal, Gold, 18k Gold, Yellow Gold

Art Deco Platinum 4 Carat Black Opal and Diamond Ring GIA Certified
Art Deco Platinum 4 Carat Black Opal and Diamond Ring GIA Certified

Art Deco Platinum 4 Carat Black Opal and Diamond Ring GIA Certified

Located in Cape May, NJ

Era: Art Deco Hallmarks: 10% IR, PLAT Composition: Platinum Primary Stone: Black Opal Stone Carat Weight: Approximately 4 Carats Accent Stone: Baguette and Round Cut Diamonds A...

Category

Vintage 1920s Unknown Art Deco Cocktail Rings

Materials

Opal, Platinum

YAEL Designs 4 Carat TW Opal Turquoise Diamond 18k Rose Gold Bangle
YAEL Designs 4 Carat TW Opal Turquoise Diamond 18k Rose Gold Bangle

YAEL Designs 4 Carat TW Opal Turquoise Diamond 18k Rose Gold Bangle

By Yael Designs

Located in Santa Barbara, CA

The prosperous combination of fiery opal and enchanting turquoise along with diamond halos, elevates this exceptional, flexible bangle bracelet to another level. Created by award win...

Category

21st Century and Contemporary Contemporary Cuff Bracelets

Materials

Diamond, Opal, Turquoise, Gold, 18k Gold, Rose Gold

Yellow Gold 4 mm Paraiba Tourmaline Opal Diamond Mini Stack Side Stud Earrings
Yellow Gold 4 mm Paraiba Tourmaline Opal Diamond Mini Stack Side Stud Earrings

Yellow Gold 4 mm Paraiba Tourmaline Opal Diamond Mini Stack Side Stud Earrings

By Joke Quick

Located in Antwerp, BE

Total carat : 0.10 ct. Total weight : 1.32 g Items measurement : width : 4 mm This exquisite product comes from Joke Quick, a jewellery designer and master of both colour and c...

Category

2010s Belgian Contemporary Stud Earrings

Materials

Diamond, Tourmaline, Paraiba, Opal, 18k Gold, Yellow Gold

107 Carat Oval Australian Opal, Diamond and Emerald Pendant /Pin/Broach 18K Gold
107 Carat Oval Australian Opal, Diamond and Emerald Pendant /Pin/Broach 18K Gold

107 Carat Oval Australian Opal, Diamond and Emerald Pendant /Pin/Broach 18K Gold

Located in New York, NY

It features a magnificent 107 Carat Oval Australian Opal as its centerpiece. Surrounding the opal are approximately 3.6 Carats of brilliant cut diamonds and approximately 4 carats of...

Category

2010s Pendant Necklaces

Materials

Diamond, Emerald, Opal, 18k Gold

Fire Opal Drop Earrings 18K
Fire Opal Drop Earrings 18K

Fire Opal Drop Earrings 18K

Located in North Hollywood, CA

Faucted Fire Opal is rare and these are a perfect match. These earrings weigh 7.0 grams 4 opals at 5 Carats per earring plus .10 point Diamonds to total .60 carats

Category

2010s Artisan Drop Earrings

Materials

Opal, Fire Opal, 18k Gold

Opal Diamond Pearl Crown Ring
Opal Diamond Pearl Crown Ring

Opal Diamond Pearl Crown Ring

Located in Carmel-by-the-Sea, CA

It appears the pearls form a crown atop the oval cabochon! The opal weighs 4 carats and exhibits a playful gallery of opalescence, with flashes of blue, red and green.

Category

21st Century and Contemporary More Rings

Materials

Diamond, Opal, 18k Gold, Yellow Gold

Modern Fire Opal Diamond Gold Ring
Modern Fire Opal Diamond Gold Ring

Modern Fire Opal Diamond Gold Ring

Located in Beverly Hills, CA

Featuring an approximately 4 carat scorching reddish-orange fire opal surrounded by a halo of colorless round brilliant cut diamonds.

Category

21st Century and Contemporary Unknown Modern Cocktail Rings

Materials

Diamond, Opal, 18k Gold

4/5 Carat Natural Emerald and Diamond 14 Karat Yellow Gold Ring
4/5 Carat Natural Emerald and Diamond 14 Karat Yellow Gold Ring

4/5 Carat Natural Emerald and Diamond 14 Karat Yellow Gold Ring

Located in New York, NY

This beautiful Emerald Ring is crafted in 14-karat Yellow gold and features a 4/5 carat 1 Pc Natural Emerald, 1 Pc Opal 5.63 Carats and 46 Pcs Round White Diamonds in GH- I1 quality...

Category

20th Century Chinese Art Deco Fashion Rings

Materials

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

Tiffany & Co. Gem Black Opal and Diamond Ring
Tiffany & Co. Gem Black Opal and Diamond Ring

Tiffany & Co. Gem Black Opal and Diamond Ring

By Tiffany & Co.

Located in Bethesda, MD

The Tiffany & Co. Black Opal and Diamond Ring features a stunning 4-carat gem black opal at its center, showcasing a vibrant play of color.

Category

1990s American Cluster Rings

Materials

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

Black Opal and Diamond Pendant in Platinum
Black Opal and Diamond Pendant in Platinum

Black Opal and Diamond Pendant in Platinum

Located in Litchfield, CT

This stylish pendant features a black opal pear with diamond-set leaves. The 4 carat black opal has lovely play of light in a vibrant spectrum of colors.

Category

Vintage 1960s American Pendant Necklaces

Materials

Opal, White Diamond, Platinum

Art Deco Platinum Black Opal, Diamond and Emerald Cocktail Ring
Art Deco Platinum Black Opal, Diamond and Emerald Cocktail Ring

Art Deco Platinum Black Opal, Diamond and Emerald Cocktail Ring

Located in Fairfield, CT

This exquisite platinum Art Deco ring features a stunning 4-carat black opal, which takes center stage as a cabochon cut, exhibiting a mesmerizing play of color, a characteristic for...

Category

Vintage 1920s Art Deco Cocktail Rings

Materials

Diamond, Emerald, Black Opal, Opal, Platinum

Opal, Emerald and Diamond 18k Gold Floral Cocktail Ring
Opal, Emerald and Diamond 18k Gold Floral Cocktail Ring

Opal, Emerald and Diamond 18k Gold Floral Cocktail Ring

By Royaal Stones Ltd

Located in Bangkok, Thailand

Stone Details: Stone: Opal Carat Weight: 4 Carats Diamond Details: Total Carat Weight: 1.37 carat Quality: VS , H/I Emerald Details: Total Carat Weight: 0.79 carat Please feel f...

Category

21st Century and Contemporary Art Deco Cocktail Rings

Materials

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

Once-in-a-Lifetime Art Deco Opal and Diamond Plaque Ring
Once-in-a-Lifetime Art Deco Opal and Diamond Plaque Ring

Once-in-a-Lifetime Art Deco Opal and Diamond Plaque Ring

Located in Carmel-by-the-Sea, CA

Outstanding art deco plaque ring, with an approximately 4 carat black opal, enhanced by a stylized frame of 1 carat of diamonds, set in platinum.

Category

Early 20th Century Art Deco Fashion Rings

Materials

Opal, Diamond, Platinum

Victorian 20k Yellow Gold 3 Stone Opal Ring Ca 1890
Victorian 20k Yellow Gold 3 Stone Opal Ring Ca 1890

Victorian 20k Yellow Gold 3 Stone Opal Ring Ca 1890

Located in Lexington, KY

If you are in search of a utilitarian fashion accessory that will get lots of use, this is the ring for you. Ca 1890 4 carat total weight natural opals 10k yellow gold Gram weight: ...

Category

Antique 1890s Victorian Three-Stone Rings

Materials

Opal, Gold, 10k Gold, Yellow Gold

Vintage Mexican Fire Opal Ring 14k White Gold Signet Estate Fine Jewelry Mens
Vintage Mexican Fire Opal Ring 14k White Gold Signet Estate Fine Jewelry Mens

Vintage Mexican Fire Opal Ring 14k White Gold Signet Estate Fine Jewelry Mens

Located in Torrance, CA

Elegant estate Mexican fire opal ring crafted in 14 karat white gold. Cabochon cut natural opal measures 9.5mm (estimated at 4 carats).

Category

Mid-20th Century Unknown Modern Cocktail Rings

Materials

Opal, Fire Opal, 14k Gold, White Gold

Opal, Emerald and Diamond Earrings Studded in 18 Karat Yellow Gold
Opal, Emerald and Diamond Earrings Studded in 18 Karat Yellow Gold

Opal, Emerald and Diamond Earrings Studded in 18 Karat Yellow Gold

By GEM PLAZA

Located in New York, NY

An exclusive pair of earrings with 4 pieces of opals 9.06 carats, 2 pieces of emeralds 0.53 carats & 121 pieces of round brilliant cut diamonds 0.73 carats.

Category

21st Century and Contemporary Indian Contemporary Dangle Earrings

Materials

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

Natural Opal Heart Ring Vintage 14 Karat Gold Estate Fine Cocktail Jewelry 6
Natural Opal Heart Ring Vintage 14 Karat Gold Estate Fine Cocktail Jewelry 6

Natural Opal Heart Ring Vintage 14 Karat Gold Estate Fine Cocktail Jewelry 6

Located in Torrance, CA

Natural opal measures 10mm (estimated at 4 carats). The opal is in excellent condition and free of cracks or chips.

Category

Mid-20th Century Unknown Modern Cocktail Rings

Materials

Opal, 14k Gold, Yellow Gold

Antique Victorian Jelly Opal Ring 14k Yellow Gold Sz 6 Vintage Fine Jewelry
Antique Victorian Jelly Opal Ring 14k Yellow Gold Sz 6 Vintage Fine Jewelry

Antique Victorian Jelly Opal Ring 14k Yellow Gold Sz 6 Vintage Fine Jewelry

Located in Torrance, CA

Particulars: Weight: 5.3 grams Stones: Opal cabochon measures 11.5mm x 9.5mm7mm (estimated at 4 carats).

Category

Antique Late 19th Century Unknown Victorian Cocktail Rings

Materials

Opal, Gold, 14k Gold, Yellow Gold

Pink Opal Dangle Earrings White Topaz 24 Carats Rhodium Plated Silver
Pink Opal Dangle Earrings White Topaz 24 Carats Rhodium Plated Silver

Pink Opal Dangle Earrings White Topaz 24 Carats Rhodium Plated Silver

Located in Bonita Springs, FL

It comes with the Gemological Appraisal by GIA GG/AJP All gemstones are natural 4 Pink Opals = 23.60 Carats 132 White Topazes = 0.60 Carats Metal: Rhodium Plated Sterling Silver Dime...

Category

21st Century and Contemporary Contemporary Dangle Earrings

Materials

Opal, Topaz, Rhodium, Silver, Sterling Silver

1.60 Carat Emerald, Opals and Diamond Ring Studded in 18 Karat Yellow Gold
1.60 Carat Emerald, Opals and Diamond Ring Studded in 18 Karat Yellow Gold

1.60 Carat Emerald, Opals and Diamond Ring Studded in 18 Karat Yellow Gold

By GEM PLAZA

Located in New York, NY

It's an exclusive emerald, opal & diamond ring studded in 18k yellow gold features 1.60 carats of fine quality of emerald, 3.15 carats 4 pieces of opals, 0.24 carats 4 pieces of rose...

Category

21st Century and Contemporary Indian Contemporary Cocktail Rings

Materials

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

Delightful Opal & Diamond Gold Frog Brooch with Ruby Eyes
Delightful Opal & Diamond Gold Frog Brooch with Ruby Eyes

Delightful Opal & Diamond Gold Frog Brooch with Ruby Eyes

Located in Miami Beach, FL

Adorable frog brooch features over 4 carats of opals with diamond accents and ruby eyes.

Category

1990s Brooches

Materials

Opal, Diamond, Ruby, 18k Gold

Boulder Opal Pendant Necklace with Diamond Accent in Rose Gold
Boulder Opal Pendant Necklace with Diamond Accent in Rose Gold

Boulder Opal Pendant Necklace with Diamond Accent in Rose Gold

By Eytan Brandes

Located in Sherman Oaks, CA

Comes with a 14 karat Italian rose gold cable chain, but the pendant can be removed from the chain without major (or even minor) surgery.* Measurements: Pendant height, including ...

Category

2010s American Contemporary Pendant Necklaces

Materials

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

4 Carat Opal Diamonds 18 Karat White Gold Dangle Earrings
4 Carat Opal Diamonds 18 Karat White Gold Dangle Earrings

4 Carat Opal Diamonds 18 Karat White Gold Dangle Earrings

By Les Pierres de Julie

Located in Paris, FR

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Stambolian Aged Silver 18K Gold Ethiopian Opal Diamond Small Dome Ring

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Located in Boca Raton, FL

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Antique Art Deco Boxed Opal Diamond Brooch 4 Carat Diamond, circa 1920

Antique Art Deco Boxed Opal Diamond Brooch 4 Carat Diamond, circa 1920

Located in Lancaster, Lancashire

For more details please click continue reading down below... This is a spectacular example of a genuine Art Deco Diamond and natural Opal brooch, all set in 18ct White Gold. Each n...

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Materials

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2.59 Carat Opal and White Diamond Pendant

2.59 Carat Opal and White Diamond Pendant

By Alberto

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2010s American Contemporary Pendant Necklaces

Materials

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Platinum Set Australian Semi Black Opal Diamond Ring

Platinum Set Australian Semi Black Opal Diamond Ring

Located in St.amford, CT

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By Gianni Lazzaro

Located in Duesseldorf, DE

These sensational earrings epitomize elegance and sophistication. 4 Diamonds 0.20 Carat 4 Opal 2.80 Carat 4 sapphir 1,51 Carat 4 Amethist 0.91 Carat 2 Chalcedone 47,85 Carat Fo...

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21st Century and Contemporary German Drop Earrings

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Sterling Silver and 18K Gold Floral Ring with Ethiopian Opal Center Diamonds
Sterling Silver and 18K Gold Floral Ring with Ethiopian Opal Center Diamonds

Sterling Silver and 18K Gold Floral Ring with Ethiopian Opal Center Diamonds

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Located in Boca Raton, FL

Aged Sterling Silver & 18K Gold Floral Ring with Ethiopian Opal center and Diamonds by Stambolian This ring from the Stambolian "Begininngs" collection features unique design work w...

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Located in Surfside, FL

Cabochon opal over 4 carats. Marquise diamonds total approximatey weight over 2 carats, estimate G-H color, VS-SI clarity.

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Cabochon fire opal & marquise diamonds ring in 14k white gold

Cabochon fire opal & marquise diamonds ring in 14k white gold

Located in Surfside, FL

Cabochon opal over 4 carats. Marquise diamonds total approximatey weight over 2 carats, estimate G-H color, VS-SI clarity.

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20th Century Engagement Rings

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18 Karat Rose Gold  Color Stones Dangle Earrings

18 Karat Rose Gold Color Stones Dangle Earrings

By Gianni Lazzaro

Located in Duesseldorf, DE

18 Karat Rose Gold color Stones Dangle Earrings 4 Opal 2.09 Carat. 2 Green Ametyst 19.72 Carat 2 Tourmaline 8.93 Carat 2 Amethyst 2.47 Carat Founded in 1974, Gianni Lazza...

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18 Karat Rose Gold  Color Stones Dangle Earrings

18 Karat Rose Gold Color Stones Dangle Earrings

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Located in Duesseldorf, DE

18 Karat Rose Gold color Stones Dangle Earrings 4 Opal 1.74 Carat. 2 Amethiste 5.44 Carat 2 Rose Quarz 9.86 Carat 2 Rose Saphire 1.17 Carat ...

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40 Carat Amethyst and Fire Opal Diamond Ring

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This gorgeous Amethyst and Fire Opal and Diamond Ring contains the following. The center stone of this gorgeous bonnet style ring is a 4 carat fire opal Asscher .

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1-3/4 ct. Oval Opal and Multi Gemstone Ethiopian Ring in 14K Rose Gold

By Affinity Designs LLC

Located in New York, NY

Indulge in the magnificence of our Oval-Cut Opal and Multi Gemstone Accent Ethiopian Style Cocktail Ring in 14K Rose Gold. Crafted with meticulous attention to detail, this ring boas...

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By Gianni Lazzaro

Located in Duesseldorf, DE

These sensational earrings epitomize elegance and sophistication. 4 Diamonds 0.20 Carat 4 Opal 2.80 Carat 4 sapphir 1,51 Carat 4 Amethist 0.91 Carat 2 Chalcedone 47,85 Carat Fo...

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Get Updated with New Arrivals
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4 Carat Opal For Sale on 1stDibs

Find the exact 4 carat opal you’re shopping for in the variety available on 1stDibs. Frequently made of gold, 18k gold and yellow gold, this item was constructed with great care. You can easily find a 65 antique edition and 143 modern creations to choose from as well. If you’re looking for a 4 carat 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 19th Century while another version may have been produced as recently as the 21st Century. Finding an appealing 4 carat opal — no matter the origin — is easy, but Roshe Jewels, Renata Bernard and DGI each produced a popular version that is worth a look. See these pages for an oval cut iteration of this accessory, while there are also cabochon cut and round cut cut versions available here, too. When shopping for a 4 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 4 Carat Opal?

The price for a 4 carat opal starts at $15 and tops out at $78,000 with these rings, on average, selling for $3,400.

Why Gold Shines in Jewelry Craftsmanship

Gold is the feel-good metal, the serotonin of jewelry. Wear vintage and antique gold necklaces, watches, gold bracelets or gold rings and you feel happy, you feel dressed, you feel, well, yourself. 

Gold, especially yellow gold, with its rich patina and ancient pedigree going back thousands of years, is the steady standby, the well-mannered metal of choice. Any discussion of this lustrous metal comes down to a basic truth: Gold is elementary, my dear. Gold jewelry that couples the mystique of the metal with superb design and craftsmanship achieves the status of an enduring classic. Many luxury houses have given us some of our most treasured and lasting examples of gold jewelry over the years.

Since its founding, in 1837, Tiffany & Co. has built its reputation on its company jewelry as well as its coterie of boutique designers, which has included Jean Schlumberger, Donald Claflin, Angela Cummings and Elsa Peretti. There are numerous gold Tiffany classics worth citing. Some are accented with gemstones, but all stand out for their design and the workmanship displayed.

For the woman who prefers a minimalist look, the Tiffany & Co. twist bangle (thin, slightly ovoid) is stylishly simple. For Cummings devotees, signature pieces feature hard stone inlay, such as her pairs of gold ear clips inlaid with black jade (a play on the classic Chanel black and tan), or bangles whose design recalls ocean waves, with undulating lines of lapis lazuli and mother-of-pearl. And just about any design by the great Jean Schlumberger is by definition a classic.

Even had he eschewed stones and diamonds, Southern-born David Webb would be hailed for the vast arsenal of heavy gold jewelry he designed. Gold, usually hammered or textured in some manner, defines great David Webb jewelry. The self-taught jeweler made very au courant pieces while drawing inspiration from ancient and out-of-the-way sources — East meets West in the commanding gold necklaces made by Webb in the early 1970s. The same could be said for his endlessly varied gold cuffs.

In Europe, many houses have given us gold jewelry that sets the highest standard for excellence, pieces that were highly sought after when they were made and continue to be so. 

Numerous designs from Cartier are homages to gold. There are the classic Trinity rings, necklaces and bracelets — trifectas of yellow, white and rose gold. As a testament to the power of love, consider the endurance of the Cartier Love bracelet.

Aldo Cipullo, Cartier’s top in-house designer from the late 1960s into the early ’70s, made history in 1969 with the Love bracelet. Cipullo frequently said that the Love bracelet was born of a sleepless night contemplating a love affair gone wrong and his realization that “the only remnants he possessed of the romance were memories.” He distilled the urge to keep a loved one close into a slim 18-karat gold bangle. 

BVLGARI and its coin jewelry, gemme nummarie, hit the jackpot when the line launched in the 1960s. The line has been perennially popular. BVLGARI coin jewelry features ancient Greek and Roman coins embedded in striking gold mounts, usually hung on thick link necklaces of varying lengths. In the 1970s, BVLGARI introduced the Tubogas line, most often made in yellow gold. The Tubogas watches are classics, and then there is the Serpenti, the house's outstanding snake-themed watches and bracelets.

A collection called Monete that incorporated the gold coins is one of several iconic BVLGARI lines that debuted in the 1970s and ’80s, catering to a new generation of empowered women. Just as designers like Halston and Yves Saint Laurent were popularizing fuss-free ready-to-wear fashion for women on the go, BVLGARI offered jewels to be lived in. 

Since Van Cleef & Arpels opened its Place Vendôme doors in 1906, collection after collection of jewelry classics have enchanted the public. As predominantly expressed in a honeycomb of gold, there is the Ludo watch and accessories, circa the 1920s, and the golden Zip necklace, 1951, whose ingenious transformation of the traditional zipper was originally proposed by the Duchess of Windsor. Van Cleef's Alhambra, with its Moroccan motif, was introduced in 1968 and from the start its popularity pivoted on royalty and celebrity status. It remains one of VCA’s most popular and collected styles.

Mention must be made of Buccellati, whose name is synonymous with gold so finely spun that it suggests tapestry. The house’s many gold bracelets, typically embellished with a few or many diamonds, signified taste and distinction and are always in favor on the secondary market. Other important mid-20th-century houses known for their gold-themed jewelry include Hermès and Ilias Lalaounis.

Find a stunning collection of vintage and antique gold jewelry on 1stDibs.

The Legacy of Opal in Jewelry Design

Opals were discovered in 400 BC, and since then five types have been found throughout the world. Before you start shopping for mysteriously beautiful vintage opal rings and other opal jewelry, learn about the different varieties of the gem — and find out which historical figure was reportedly willing to trade his kingdom for a single stone.

Here is a little riddle for you: the month of October has two birthstones, but only one of them encompasses the colors of other birthstones. If you guessed opal, you’re right! (The other gemstone associated with the month of October is tourmaline.)

Opals are such unusual gemstones that there are too many old-wives tales associated with them, like if you’re a blond, wearing an opal necklace will protect your locks from losing color. Opals were also very fashionable in the early 19th century, up until the publication of Sir Walter Scott’s novel Anne of Geierstein in 1829. The title heroine wears an opal and succumbs to an untimely death. However, the British monarchy, and in particular Queen Victoria, did not let this story get in their way, and they frequently gifted opals to friends and family members. October babies should disregard the noise and proudly wear their opals!

There are five types of precious opals: boulder opal, fire opal, crystal/water opal, black opal, and white/light opal. Each variety is distinguished by its color.

So, where does the name come from? The word opal is thought to originate from the Roman opalus or from the Sanskrit úpala (“precious stone”) or from the Greek opallios (“to see a color change”). So while there have been many names for the stones, opals were first discovered in 400 BC in Ethiopia. But the early reference that comes up most often in history books is from the Roman philosopher Pliny the Elder, who wrote about it in 75 AD. In his text he refers to it as opali. The Romans were big fans of opal, Mark Antony was so enamored by it that, as the story goes, he was willing to trade a portion of his kingdom for a single opal.

There's a wide variety of antique and vintage opal jewelry on 1stDibs (and you won't have to trade your kingdom for it).

Questions About 4 Carat Opal

  • 1stDibs ExpertSeptember 28, 2021
    A 4-carat diamond’s worth varies depending on the 4Cs of diamond quality – color, cut, clarity and carat. On average, a 4-carat diamond could cost you between $8,400 to $71,500. It is also likely that the price range per carat will be even broader. On 1stDibs, you can find a variety of 4-carat diamond jewelry.
  • 1stDibs ExpertApril 5, 2022
    Whether or not a 4-carat ring is big is largely a matter of personal opinion. However, 4-carat stones usually do have larger dimensions. Diamonds of this size are usually quite expensive due to their size. Shop a large selection of gemstone rings on 1stDibs.