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4.74 Carat Black Opal and Diamond Platinum Cocktail Ring Estate Fine Jewelry
4.74 Carat Black Opal and Diamond Platinum Cocktail Ring Estate Fine Jewelry

4.74 Carat Black Opal and Diamond Platinum Cocktail Ring Estate Fine Jewelry

Located in Montreal, QC

Simply Beautiful! Elegant and finely detailed Solitaire Cocktail Engagement Ring, set with a securely nestled 4.74 Carat Black Opal and surrounded by Brilliant-cut Diamonds, weighing...

Category

Vintage 1980s Modernist Cocktail Rings

Materials

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

6.00 Carat Black Opal and Diamond Platinum Cocktail Ring Estate Fine Jewelry
6.00 Carat Black Opal and Diamond Platinum Cocktail Ring Estate Fine Jewelry

6.00 Carat Black Opal and Diamond Platinum Cocktail Ring Estate Fine Jewelry

Located in Montreal, QC

Simply Beautiful! Elegant and finely detailed Solitaire Cocktail Ring, set with a securely nestled 6.00 Carat Black Opal surrounded by Brilliant-cut Diamonds, weighing approx. 1.10 t...

Category

1990s Modernist Cocktail Rings

Materials

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

10.68 Carat Black Opal and Diamond Platinum Cocktail Ring Estate Fine Jewelry
10.68 Carat Black Opal and Diamond Platinum Cocktail Ring Estate Fine Jewelry

10.68 Carat Black Opal and Diamond Platinum Cocktail Ring Estate Fine Jewelry

Located in Montreal, QC

Simply Beautiful! Elegant and finely detailed Solitaire Cocktail Engagement Ring, set with a securely nestled 10.68 Carat Black Opal surrounded by Brilliant-cut Diamonds, weighing ap...

Category

Late 20th Century Modernist Cocktail Rings

Materials

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

3.43 Carat Dark Gray Opal and Diamond Platinum Ring Estate Fine Jewelry
3.43 Carat Dark Gray Opal and Diamond Platinum Ring Estate Fine Jewelry

3.43 Carat Dark Gray Opal and Diamond Platinum Ring Estate Fine Jewelry

Located in Montreal, QC

Beautiful Dark Gray Opal and Diamond Cocktail Ring. The center securely set with a 3.43 Carat Opal surrounded by Diamonds approx. 0.64tcw. Finely detailed Hand crafted Platinum mount...

Category

21st Century and Contemporary Modern Cocktail Rings

Materials

Diamond, Opal, Platinum

Estate Black Opal and Diamond Cocktail Ring in Platinum
Estate Black Opal and Diamond Cocktail Ring in Platinum

Estate Black Opal and Diamond Cocktail Ring in Platinum

Located in Los Angeles, CA

Beautiful 1.41 ct. black opal oval with 0.41 ct. good quality, white, and bright diamonds. Handmade in platinum. Ring size 7.25+.

Category

21st Century and Contemporary Cocktail Rings

Materials

Diamond, Opal, Black Opal, Platinum

5.80 Ct White Opal Diamond Platinum Ballerina Cocktail Ring Fine Estate Jewelry
5.80 Ct White Opal Diamond Platinum Ballerina Cocktail Ring Fine Estate Jewelry

5.80 Ct White Opal Diamond Platinum Ballerina Cocktail Ring Fine Estate Jewelry

Located in Montreal, QC

Simply Beautiful and finely detailed Ballerina Cocktail Ring, center securely set with an Australian White Opal, weighing 5.80 Carats, surrounded by Diamonds, approx. 2.81 total cara...

Category

Vintage 1960s Modernist Cocktail Rings

Materials

Diamond, Opal, Platinum

6.34 Carat White Opal and Diamond Platinum Cocktail Ring Fine Estate Jewelry
6.34 Carat White Opal and Diamond Platinum Cocktail Ring Fine Estate Jewelry

6.34 Carat White Opal and Diamond Platinum Cocktail Ring Fine Estate Jewelry

Located in Montreal, QC

Simply Beautiful and finely detailed Cocktail Ring, center securely set with an Australian White Opal, weighing 6.34 Carats, either side set with Diamonds, approx. 0.34 total carat w...

Category

Late 20th Century Modernist Cocktail Rings

Materials

Diamond, Opal, Platinum

Estate Lugano Opal and White Diamond Ring in Platinum
Estate Lugano Opal and White Diamond Ring in Platinum

Estate Lugano Opal and White Diamond Ring in Platinum

By Lugano

Located in Los Angeles, CA

Beautiful estate Lugano ring featuring a 2.25 ct. opal round and 2.50 ct. of good quality white diamond kite shapes and rounds.

Category

21st Century and Contemporary Dome Rings

Materials

White Diamond, Opal, Platinum

Art Deco Black Opal Ring Platinum Diamond Estate Jewelry
Art Deco Black Opal Ring Platinum Diamond Estate Jewelry

Art Deco Black Opal Ring Platinum Diamond Estate Jewelry

Located in Beverly Hills, CA

A gorgeous Art Deco black opal ring, made of platinum and featuring diamonds. The opal displays a harlequin pattern, with vibrant patches of green and blue shifting across the gemsto...

Category

Vintage 1920s Unknown Art Deco Cocktail Rings

Materials

Diamond, White Diamond, Opal, Black Opal, Platinum

Estate Opal Oval and Diamond Cocktail Ring in Platinum
Estate Opal Oval and Diamond Cocktail Ring in Platinum

Estate Opal Oval and Diamond Cocktail Ring in Platinum

Located in Los Angeles, CA

Beautiful 8 carat estate oval opal surrounded by 2.36 carats of white diamonds.

Category

20th Century Cocktail Rings

Materials

Diamond, White Diamond, Opal, Platinum

3.06ct Natural Opal Ring Diamond Estate Platinum Sz 7.25 Estate Fine Jewelry
3.06ct Natural Opal Ring Diamond Estate Platinum Sz 7.25 Estate Fine Jewelry

3.06ct Natural Opal Ring Diamond Estate Platinum Sz 7.25 Estate Fine Jewelry

Located in Torrance, CA

Stylish 3.06ct natural opal & diamond cocktail ring crafted in 850 platinum. Cabochon cut oval shaped natural opal measures 14mm x 10.5mm (3.06 carats). Diamond total an estimated ...

Category

Mid-20th Century Unknown Contemporary Cocktail Rings

Materials

Diamond, White Diamond, Opal, Platinum

Estate Black Opal Ring Platinum Diamond Accents Size 5.5 ~1.61ctw
Estate Black Opal Ring Platinum Diamond Accents Size 5.5 ~1.61ctw

Estate Black Opal Ring Platinum Diamond Accents Size 5.5 ~1.61ctw

Located in Fairfield, CT

Estate Black Opal Ring Platinum Diamond Accents Size 5.5 ~1.61ctw This platinum ring features a 1.41-carat oval black opal, showcasing a captivating play of colors that shift beauti...

Category

Vintage 1980s Fashion Rings

Materials

Diamond, Black Opal, Opal, Platinum

Estate Opal Round and Baguette Diamond Platinum Cocktail Ring
Estate Opal Round and Baguette Diamond Platinum Cocktail Ring

Estate Opal Round and Baguette Diamond Platinum Cocktail Ring

Located in Miami, FL

This stunning diamond and opal ring is crafted in solid platinum, weighing 9.6 grams and measures 20mm x 6.5mm high. Showcasing a prominent four-prong set cosmic opal, weighing app...

Category

1990s Art Deco Cocktail Rings

Materials

Diamond, Opal, Platinum

Black Opal Diamond Platinum Estate Cocktail
Black Opal Diamond Platinum Estate Cocktail

Black Opal Diamond Platinum Estate Cocktail

Located in Boca Raton, FL

The estate ring features a 2.45 carat fiery black opal surrounded by diamonds weighing .70 ctw and graded G-H/VS-SI1.  

Category

Mid-20th Century Unknown Modern Cocktail Rings

Materials

Diamond, White Diamond, Opal, Platinum

Black Opal Diamond Ring Estate Platinum Fine Gemstone Cocktail Jewelry
Black Opal Diamond Ring Estate Platinum Fine Gemstone Cocktail Jewelry

Black Opal Diamond Ring Estate Platinum Fine Gemstone Cocktail Jewelry

Located in Torrance, CA

Stylish black opal & diamond cocktail ring crafted in 900 platinum. Cabochon cut natural black opal measures 13mm x 8.5mm (estimated at 2.10 carats), accented with 0.42 carats of d...

Category

Mid-20th Century Unknown Modern Cocktail Rings

Materials

Diamond, White Diamond, Opal, Black Opal, Platinum

6 Carat Black Opal and Diamond Platinum on Yellow Gold Ring Estate Fine Jewelry
6 Carat Black Opal and Diamond Platinum on Yellow Gold Ring Estate Fine Jewelry

6 Carat Black Opal and Diamond Platinum on Yellow Gold Ring Estate Fine Jewelry

Located in Montreal, QC

Beautiful Dark Black and Diamond Cocktail Ring. The center securely set with a 6 Carat Black Opal surrounded by Diamonds approx. 1.10tcw. Finely detailed Hand crafted Platinum on 18K...

Category

21st Century and Contemporary Modern Cocktail Rings

Materials

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

Estate Platinum Australian Opal Baguette Round Diamond Cocktail Ring 6.50cttw
Estate Platinum Australian Opal Baguette Round Diamond Cocktail Ring 6.50cttw

Estate Platinum Australian Opal Baguette Round Diamond Cocktail Ring 6.50cttw

Located in Winter Springs, FL

A gorgeous estate ring done in platinum set with approximately 1.50cttw in in G-I color Vs1-2 clarity round and tapered baguette diamonds and centered by an approximately 5ct CRISP ...

Category

1990s Contemporary Cocktail Rings

Materials

Diamond, Opal, Platinum

1.35ct Natural Opal Diamond Ring Estate Platinum Oval Cocktail Jewelry
1.35ct Natural Opal Diamond Ring Estate Platinum Oval Cocktail Jewelry

1.35ct Natural Opal Diamond Ring Estate Platinum Oval Cocktail Jewelry

Located in Torrance, CA

Stylish natural opal & diamond ring crafted in platinum. Natural opal measures 10mm x 8mm (estimated at 1.35carats). 10 round brilliant & marquise cut diamonds total an estimated 0...

Category

Mid-20th Century Unknown Modern Cocktail Rings

Materials

Diamond, White Diamond, Opal, Platinum

2.48ct Natural Jelly Opal Diamond Ring Platinum Estate Fine Jewelry
2.48ct Natural Jelly Opal Diamond Ring Platinum Estate Fine Jewelry

2.48ct Natural Jelly Opal Diamond Ring Platinum Estate Fine Jewelry

Located in Torrance, CA

Stylish natural jelly opal & diamond cocktail ring crafted in 900 platinum. Cabochon cut natural jelly opal, 2.48 carats (10.5 x 7.5). The opal is in excellent condition and free ...

Category

Mid-20th Century Unknown Modern Cocktail Rings

Materials

Diamond, White Diamond, Opal, Platinum

4.92ct Natural Jelly Opal Diamond Ring Platinum Estate Fine Jewelry
4.92ct Natural Jelly Opal Diamond Ring Platinum Estate Fine Jewelry

4.92ct Natural Jelly Opal Diamond Ring Platinum Estate Fine Jewelry

Located in Torrance, CA

Stylish natural jelly opal & diamond cocktail ring crafted in 900 platinum. Cabochon cut natural jelly opal, 4.92 carats (11.40 x 9mm x 9.3mm). The opal is in excellent condition ...

Category

Mid-20th Century Unknown Modern Cocktail Rings

Materials

Diamond, White Diamond, Opal, Platinum

Estate Boulder Opal Ring with Diamonds in 18k Yellow Gold
Estate Boulder Opal Ring with Diamonds in 18k Yellow Gold

Estate Boulder Opal Ring with Diamonds in 18k Yellow Gold

Located in La Jolla, CA

Estate Boulder Opal Ring with Diamonds in 18k Yellow Gold Boulder Opal Ring features one Pear shaped Boulder Opal with color play of Blue, Green, and flashes of Orange accented wit...

Category

21st Century and Contemporary North American Cocktail Rings

Materials

Diamond, Opal, 18k Gold, Yellow Gold

Natural 6.02 Carat Black Opal Ring Lightning Ridge Diamond Estate Platinum
Natural 6.02 Carat Black Opal Ring Lightning Ridge Diamond Estate Platinum

Natural 6.02 Carat Black Opal Ring Lightning Ridge Diamond Estate Platinum

Located in Torrance, CA

Stylish natural 6.02ct black opal & diamond cocktail ring crafted in platinum. Cabochon cut oval natural black opal measures 15.40 x 11.08 x 5.64mm (6.02 carats). Four emerald cut ...

Category

Mid-20th Century Unknown Modern Cocktail Rings

Materials

Diamond, White Diamond, Opal, Black Opal, Platinum

Estate Inlay-Opal Diamond Ruby Sapphire Gold Ring
Estate Inlay-Opal Diamond Ruby Sapphire Gold Ring

Estate Inlay-Opal Diamond Ruby Sapphire Gold Ring

Located in Beverly Hills, CA

This unique estate ring features a mosaic of inlay opal which is accented by diamonds, rubies, yellow sapphire and blue sapphire, all set in 18K yellow gold.

Category

Late 20th Century Band Rings

Materials

Blue Sapphire, Diamond, Ruby, Sapphire, White Diamond, Yellow Sapphire, ...

Estate 4.23 Carats Black Opal and Diamond Cocktail Ring in Platinum
Estate 4.23 Carats Black Opal and Diamond Cocktail Ring in Platinum

Estate 4.23 Carats Black Opal and Diamond Cocktail Ring in Platinum

Located in La Jolla, CA

4.23 Carats Black Opal and Diamond Ring in Platinum Black Opal and Diamond Ring features a 4.23 carats, with beautiful blue, green, yellow coloring. Black Opal bezel-set in the ce...

Category

21st Century and Contemporary North American Cocktail Rings

Materials

Diamond, Opal, Black Opal, Platinum

Black Opal Diamond Vintage Ring 18k Yellow Gold Estate Fine Jewelry
Black Opal Diamond Vintage Ring 18k Yellow Gold Estate Fine Jewelry

Black Opal Diamond Vintage Ring 18k Yellow Gold Estate Fine Jewelry

Located in Torrance, CA

Finely detailed vintage black opal & diamond ring, crafted in 18 karat yellow gold (circa 1980s to 1990s). Centrally mounted black opal is estimated at 0.83 carats, accented with a...

Category

Late 20th Century Unknown Modern Cocktail Rings

Materials

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

Estate Black Opal Oval and White Diamond Cocktail Ring in Platinum
Estate Black Opal Oval and White Diamond Cocktail Ring in Platinum

Estate Black Opal Oval and White Diamond Cocktail Ring in Platinum

Located in Los Angeles, CA

Gorgeous 1.10 ct. black opal oval with 0.66 ct. of good quality white diamond baguettes. Handmade platinum mounting in ring size 7.25. Mint condition.

Category

21st Century and Contemporary Cocktail Rings

Materials

White Diamond, Opal, Platinum

Estate Black Opal Oval and White Diamond Cocktail Ring in Platinum
Estate Black Opal Oval and White Diamond Cocktail Ring in Platinum

Estate Black Opal Oval and White Diamond Cocktail Ring in Platinum

Located in Los Angeles, CA

Stunning 1.86 ct black opal oval cabochon with a greyish blue color and sparks of orange, yellow, and green. 1.00 ct. of good quality, white, and bright diamond rounds. Handmade mo...

Category

21st Century and Contemporary Cluster Rings

Materials

White Diamond, Opal, Platinum

Estate Platinum GIA 3.05ctw Oval Gray Opal & Baguette Diamond Cocktail Ring
Estate Platinum GIA 3.05ctw Oval Gray Opal & Baguette Diamond Cocktail Ring

Estate Platinum GIA 3.05ctw Oval Gray Opal & Baguette Diamond Cocktail Ring

Located in Montclair, NJ

--Stone(s):-- (1) Natural Genuine Opal - Oval Cabochon Cut - Claw Prong Set - Gray Color w/ Amazing Play of Green & Blue Color - 11.31 x 9.06 x 4.05 mm / 2.69ct (exact - certified) *...

Category

21st Century and Contemporary Cocktail Rings

Materials

Diamond, Opal, Platinum

Estate Black Opal Oval and White Diamond Cocktail Ring in Platinum
Estate Black Opal Oval and White Diamond Cocktail Ring in Platinum

Estate Black Opal Oval and White Diamond Cocktail Ring in Platinum

Located in Los Angeles, CA

Beautiful 1.92 ct. black opal oval with 0.68 ct. good quality, white, diamond rounds and baguettes. Handmade platinum mounting in size 7. Mint condition.

Category

21st Century and Contemporary Cocktail Rings

Materials

White Diamond, Opal, Platinum

Estate Opal Oval Cabochon and White Diamond Cocktail Ring in Platinum
Estate Opal Oval Cabochon and White Diamond Cocktail Ring in Platinum

Estate Opal Oval Cabochon and White Diamond Cocktail Ring in Platinum

Located in Los Angeles, CA

Gorgeous deep color 7.41 ct. opal oval cabochon with 0.80 ct. good quality white diamond baguettes and rounds. Handmade platinum mounting in size 6. Mint condition.

Category

21st Century and Contemporary Cocktail Rings

Materials

White Diamond, Opal, Platinum

4.58ct Natural Black Opal Ring Diamond Estate Platinum Sz 7.5 Mixed Cuts
4.58ct Natural Black Opal Ring Diamond Estate Platinum Sz 7.5 Mixed Cuts

4.58ct Natural Black Opal Ring Diamond Estate Platinum Sz 7.5 Mixed Cuts

Located in Torrance, CA

Stylish 4.58ct natural black opal & diamond cocktail ring crafted in platinum. Cabochon cut oval shaped natural black opal measures 14mm x 11.5mm (4.58 carats). Mixed cut diamonds ...

Category

Mid-20th Century Unknown Modern Cocktail Rings

Materials

Diamond, White Diamond, Opal, Black Opal, Platinum

Vintage Estate 18K White Gold Natural Opal and Diamond Cocktail Ring
Vintage Estate 18K White Gold Natural Opal and Diamond Cocktail Ring

Vintage Estate 18K White Gold Natural Opal and Diamond Cocktail Ring

Located in Great Neck, NY

Beautiful Vintage Estate 18K White Gold Natural Opal and Diamond Cocktail Ring.

Category

Vintage 1970s Contemporary Cocktail Rings

Materials

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

Opal Diamond Ring Vintage 14 Karat Yellow Gold Estate Fine Jewelry
Opal Diamond Ring Vintage 14 Karat Yellow Gold Estate Fine Jewelry

Opal Diamond Ring Vintage 14 Karat Yellow Gold Estate Fine Jewelry

Located in Torrance, CA

Elegant vintage opal & diamond ring (circa 1960s to 1970s), crafted in 14 karat yellow gold. The opal measures 12.6mm x 9.3mm (estimated at 4 carats), accented with eight estimated...

Category

Mid-20th Century Unknown Modern Cocktail Rings

Materials

Diamond, Opal, 14k Gold, Yellow Gold

8 Carat Oval Australian Opal, Diamond, Emerald  Ruby, Sapphire Ring Estate
8 Carat Oval Australian Opal, Diamond, Emerald  Ruby, Sapphire Ring Estate

8 Carat Oval Australian Opal, Diamond, Emerald Ruby, Sapphire Ring Estate

Located in New York, NY

Approximately 8 Carat Oval Australian Opal, Diamond , Emerald Ruby , Sapphire Ring Estate Size 5.5 Dome shape ring This spectacular Ring consisting of a single Oval Shape Austra...

Category

2010s Dome Rings

Materials

Diamond, Emerald, Opal, Ruby, Sapphire, 14k Gold

Vintage Estate 14K Yellow Gold Platinum Natural Opal Diamond Engagement Ring
Vintage Estate 14K Yellow Gold Platinum Natural Opal Diamond Engagement Ring

Vintage Estate 14K Yellow Gold Platinum Natural Opal Diamond Engagement Ring

Located in Great Neck, NY

Beautiful Vintage Estate 14K Yellow Gold Platinum Natural Opal Diamond Engagement Ring.

Category

Vintage 1960s Retro Engagement Rings

Materials

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

10ct Natural Ethiopian Opal Diamond Ring Estate 18k Gold Vintage Jewelry
10ct Natural Ethiopian Opal Diamond Ring Estate 18k Gold Vintage Jewelry

10ct Natural Ethiopian Opal Diamond Ring Estate 18k Gold Vintage Jewelry

Located in Torrance, CA

Stylish vintage Ethiopian opal & diamond cocktail ring crafted in 18 karat yellow gold (circa 1960s to 1970s). Natural opal is at estimated at 10 carats, accented with two estimated...

Category

Mid-20th Century Unknown Modern Cocktail Rings

Materials

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

Estate Opal and White Diamond Ring in Platinum
Estate Opal and White Diamond Ring in Platinum

Estate Opal and White Diamond Ring in Platinum

Located in Los Angeles, CA

Estate 3.49ct Opal & 0.39ctw White Diamond Baguette & Round PT900 7.40gr Ring Approx.Wt.

Category

21st Century and Contemporary Cocktail Rings

Estate Black Opal Oval and White Diamond Round Cocktail Ring in Platinum
Estate Black Opal Oval and White Diamond Round Cocktail Ring in Platinum

Estate Black Opal Oval and White Diamond Round Cocktail Ring in Platinum

Located in Los Angeles, CA

High luster and colorful black opal oval weighing 1.15 cts with 0.53 cts of good quality, white, and bright diamond rounds in a handmade platinum mounting. Ring size is 6.5. Excell...

Category

21st Century and Contemporary Cocktail Rings

Materials

White Diamond, Opal, Platinum

Estate Black Opal Oval Cabochon and White Diamond Cocktail Ring in Platinum
Estate Black Opal Oval Cabochon and White Diamond Cocktail Ring in Platinum

Estate Black Opal Oval Cabochon and White Diamond Cocktail Ring in Platinum

Located in Los Angeles, CA

Stunning 1.20 ct. black opal oval cabochon with 0.98 ct. of good quality, white, and bright diamond rounds, pear shapes, marquise, and baguettes. Beautiful design and handmade plati...

Category

21st Century and Contemporary Cocktail Rings

Materials

White Diamond, Opal, Platinum

Estate Vintage Antique Art Deco Platinum Black Opal and Diamond Halo Ring
Estate Vintage Antique Art Deco Platinum Black Opal and Diamond Halo Ring

Estate Vintage Antique Art Deco Platinum Black Opal and Diamond Halo Ring

Located in Scottsdale, AZ

For sale is an estate Platinum Black Opal & Diamond Halo Ring! Showcasing one (1) cabochon Black Opal, set in a milgrain border, measuring 14.60 x 11.00 x 4.19 mm, weighing approxima...

Category

Late 20th Century Art Deco Fashion Rings

Materials

Diamond, Opal, Platinum

Estate Black Opal Oval and White Diamond Cocktail Ring in 18k White Gold
Estate Black Opal Oval and White Diamond Cocktail Ring in 18k White Gold

Estate Black Opal Oval and White Diamond Cocktail Ring in 18k White Gold

Located in Los Angeles, CA

Beautiful 3.52 ct. black opal oval with 0.75 ct. good quality white diamond rounds. Handmade 18k white gold mounting in ring size 6.25.

Category

21st Century and Contemporary Cocktail Rings

Materials

White Diamond, Opal, Black Opal, White Gold

Natural Opal Diamond Ring Platinum Vintage Large Oval Cocktail Estate Jewelry 7
Natural Opal Diamond Ring Platinum Vintage Large Oval Cocktail Estate Jewelry 7

Natural Opal Diamond Ring Platinum Vintage Large Oval Cocktail Estate Jewelry 7

Located in Torrance, CA

Stylish natural opal & diamond ring crafted in platinum. Natural opal measures 17mm x 13mm (estimated at 5.67 carats). The diamonds total an estimated 1 carat (estimated at H-I col...

Category

Mid-20th Century Unknown Modern Cocktail Rings

Materials

Diamond, White Diamond, Opal, Platinum

3.33ct Natural Opal Diamond Cocktail Ring Platinum Sz 5.75 Estate Fine Jewelry
3.33ct Natural Opal Diamond Cocktail Ring Platinum Sz 5.75 Estate Fine Jewelry

3.33ct Natural Opal Diamond Cocktail Ring Platinum Sz 5.75 Estate Fine Jewelry

Located in Torrance, CA

Stylish natural opal & diamond cocktail ring crafted in 900 platinum. Natural opal measures 12mm x 9.5mm (estimated at 3.33 carats), accented with 4 emerald cut diamonds totaling 0...

Category

Mid-20th Century Unknown Modern Cocktail Rings

Materials

Diamond, White Diamond, Opal, Platinum

Art Deco Style Opal Diamond Emerald Cocktail Ring Estate Fine Jewelry
Art Deco Style Opal Diamond Emerald Cocktail Ring Estate Fine Jewelry

Art Deco Style Opal Diamond Emerald Cocktail Ring Estate Fine Jewelry

Located in Napoli, NA

Beautiful Gold handmade Art Deco style ring. It is set in 14k white Gold featuring a large sparkling vivid Opal in the center, weight 0,50 ct., surrounded by 0,60 ct. custom cut natu...

Category

Late 20th Century Italian Art Deco Cocktail Rings

Materials

Diamond, Opal, Emerald, Gold, 14k Gold

Art Deco Style Opal Diamond Ruby Cocktail Ring Estate Fine Jewelry
Art Deco Style Opal Diamond Ruby Cocktail Ring Estate Fine Jewelry

Art Deco Style Opal Diamond Ruby Cocktail Ring Estate Fine Jewelry

Located in Napoli, NA

Beautiful Gold handmade Art Deco style ring. It is set in 14k white Gold featuring a large sparkling vivid Opal in the center, weight 5,50 ct., surrounded by 1.00 ct custom cut natur...

Category

Late 20th Century Italian Art Deco Cocktail Rings

Materials

Diamond, Ruby, Opal, Gold, 14k Gold

2.25ct Natural Jelly Opal Diamond Ring Platinum Estate Fine Jewelry Sz 6.5
2.25ct Natural Jelly Opal Diamond Ring Platinum Estate Fine Jewelry Sz 6.5

2.25ct Natural Jelly Opal Diamond Ring Platinum Estate Fine Jewelry Sz 6.5

Located in Torrance, CA

Stylish natural jelly opal & diamond cocktail ring crafted in 900 platinum. Cabochon cut natural jelly opal, 2.25 carats. The opal is in very good condition and free of cracks or c...

Category

21st Century and Contemporary American Contemporary Cocktail Rings

Materials

Diamond, White Diamond, Opal, Platinum

Vintage 1970s Opal Diamond Ring 14 Karat Gold Estate Fine Jewelry Statement
Vintage 1970s Opal Diamond Ring 14 Karat Gold Estate Fine Jewelry Statement

Vintage 1970s Opal Diamond Ring 14 Karat Gold Estate Fine Jewelry Statement

Located in Torrance, CA

Distinct & stylish opal & diamond cocktail ring (circa 1970s), crafted in 14 karat yellow gold. Centrally mounted natural opal is pear cut, measuring 17mm x 11mm (estimated at 8 ca...

Category

Vintage 1970s Unknown Modern Cocktail Rings

Materials

Diamond, Opal, 14k Gold, Yellow Gold

Natural Opal Diamond Ring Vintage 14k White Gold Navette Shaped Jewelry Estate
Natural Opal Diamond Ring Vintage 14k White Gold Navette Shaped Jewelry Estate

Natural Opal Diamond Ring Vintage 14k White Gold Navette Shaped Jewelry Estate

Located in Torrance, CA

Stylish vintage opal & diamond cocktail ring (circa 1960s to 1970s) crafted in 14 karat white gold. Natural opal measures 12.8mm x 6.7mm (estimated at 2.50 carats), accented with t...

Category

Mid-20th Century Unknown Modern Cocktail Rings

Materials

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

Natural Opal Diamond Ring Vintage 14 Karat Gold Princess Jewelry Fine Estate
Natural Opal Diamond Ring Vintage 14 Karat Gold Princess Jewelry Fine Estate

Natural Opal Diamond Ring Vintage 14 Karat Gold Princess Jewelry Fine Estate

Located in Torrance, CA

Stylish vintage opal & diamond cocktail ring (circa 1970s to 1980s) crafted in 14 karat yellow gold. Natural opal measures 8mm x 6mm (estimated at 1.25 carats), accented with twelv...

Category

Late 20th Century Unknown Modern Cocktail Rings

Materials

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

Antique Victorian Opal Diamond Ring Vintage 14k Yellow Gold Estate Fine Jewelry
Antique Victorian Opal Diamond Ring Vintage 14k Yellow Gold Estate Fine Jewelry

Antique Victorian Opal Diamond Ring Vintage 14k Yellow Gold Estate Fine Jewelry

Located in Torrance, CA

Finely detailed antique Victorian opal & diamond ring (circa 1880s to 1900s), crafted in 14 karat rose gold. Center set opal measures 5.5mm x 4mm (estimated at 0.30 carats), accent...

Category

Antique Late 19th Century Victorian Cocktail Rings

Materials

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

Opal Diamond Ring Vintage 14k Yellow Gold Dome Band Estate Fine Jewelry
Opal Diamond Ring Vintage 14k Yellow Gold Dome Band Estate Fine Jewelry

Opal Diamond Ring Vintage 14k Yellow Gold Dome Band Estate Fine Jewelry

Located in Torrance, CA

Stylish vintage opal & diamond ring crafted in 14 karat yellow gold. Oval cabochon cut opals measure 5mm x 7mm, estimated at 0.50 carats each (2.50 carats total estimated weight). ...

Category

Mid-20th Century Unknown Modern Band Rings

Materials

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

Vintage Natural Opal Diamond Ring 14 Karat Gold Cocktail Oval Estate Jewelry
Vintage Natural Opal Diamond Ring 14 Karat Gold Cocktail Oval Estate Jewelry

Vintage Natural Opal Diamond Ring 14 Karat Gold Cocktail Oval Estate Jewelry

Located in Torrance, CA

Finely detailed vintage opal & diamond cocktail ring (circa 1950s to 1960s), crafted in 14 karat white gold. Solid natural opal measures 16mm x 11mm (estimated at 8 carats) accente...

Category

Mid-20th Century Unknown Cocktail Rings

Materials

Diamond, Opal, 14k Gold, White Gold

Vintage Estate 14K Yellow Gold Opal and Rose Cut Diamond Engagement Ring
Vintage Estate 14K Yellow Gold Opal and Rose Cut Diamond Engagement Ring

Vintage Estate 14K Yellow Gold Opal and Rose Cut Diamond Engagement Ring

Located in Great Neck, NY

Beautiful Vintage Estate 14K Yellow Gold Opal and Rose Cut Diamond Engagement Ring.

Category

Late 20th Century Unknown Engagement Rings

Materials

Diamond, Opal, 14k Gold, Yellow Gold

10.47ct Ethiopian Black Opal Diamond Ring Sz 6.25 Oval Estate 18k Gold Cocktail
10.47ct Ethiopian Black Opal Diamond Ring Sz 6.25 Oval Estate 18k Gold Cocktail

10.47ct Ethiopian Black Opal Diamond Ring Sz 6.25 Oval Estate 18k Gold Cocktail

Located in Torrance, CA

Stylish contemporary Ethiopian black opal & diamond ring crafted in 18 karat yellow gold. Natural cabochon cut oval Opal measures 17mm x 14mm (estimated at 10.47 carats). Diamonds t...

Category

21st Century and Contemporary Unknown Contemporary Cocktail Rings

Materials

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

7ct Ethiopian Opal Diamond Ring Oval Princess Estate 18k Gold Cocktail Jewelry
7ct Ethiopian Opal Diamond Ring Oval Princess Estate 18k Gold Cocktail Jewelry

7ct Ethiopian Opal Diamond Ring Oval Princess Estate 18k Gold Cocktail Jewelry

Located in Torrance, CA

Stylish contemporary Ethiopian opal & diamond ring crafted in 18 karat yellow gold. Natural cabochon cut oval Opal measures 18mm x 12mm (estimated at 7 carats). Diamonds total an es...

Category

21st Century and Contemporary Unknown Contemporary Cocktail Rings

Materials

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

Vintage Natural Opal Diamond Ring 14k White Gold Cocktail Oval Estate Jewelry
Vintage Natural Opal Diamond Ring 14k White Gold Cocktail Oval Estate Jewelry

Vintage Natural Opal Diamond Ring 14k White Gold Cocktail Oval Estate Jewelry

Located in Torrance, CA

Finely detailed vintage opal & diamond cocktail ring (circa 1950s to 1960s), crafted in 14 karat white gold. Solid natural opal measures 16mm x 11mm (estimated at 8 carats) accente...

Category

Mid-20th Century Unknown Modern Cocktail Rings

Materials

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

Opal Coral Diamond Small Cocktail Ring Vintage 14 Karat Gold Estate Jewelry
Opal Coral Diamond Small Cocktail Ring Vintage 14 Karat Gold Estate Jewelry

Opal Coral Diamond Small Cocktail Ring Vintage 14 Karat Gold Estate Jewelry

Located in Torrance, CA

Stylish vintage opal, coral & diamond cocktail ring crafted in 14 karat yellow gold. The opal measures 6mm x 4mm (estimated at 0.50 carats), accented with coral that measures 6mm x...

Category

Mid-20th Century Unknown Modern Cocktail Rings

Materials

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

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Opal Diamond Estate Ring For Sale on 1stDibs

Find the exact opal diamond estate ring you’re shopping for in the variety available on 1stDibs. Frequently made of Gold, Platinum and 14k Gold, this item was constructed with great care. In our selection of items, you can find a vintage example as well as a contemporary version. Making the right choice when shopping for an opal diamond estate ring may mean carefully reviewing examples of this item dating from different eras — you can find an early iteration of this piece from the 19th Century and a newer version made as recently as the 21st Century, both of which have proven very popular over the years. For this particular accessory, there are many different carat weights to choose from, but 1 Carat and 1.5 Carat versions are of considerable interest. An opal diamond estate ring from H. Stern and Lugano — each of whom created a beautiful version of this treasured accessory — is worth considering. An opal diamond estate ring of any era or style can lend versatility to your look, but a version featuring Diamond, from our inventory of 97, is particularly popular. See these pages for an oval cut iteration of this accessory, while there are also cabochon cut and mixed cut cut versions available here, too. Most of our opal diamond estate ring for sale are for women, but there are 50 pieces available to browse for men.

How Much is a Opal Diamond Estate Ring?

The price for an opal diamond estate ring starts at $388 and tops out at $99,000 with these rings, on average, selling for $2,400.

The Legacy of Diamond in Jewelry Design

Antique diamond rings, diamond tiaras and dazzling vintage diamond earrings are on the wish lists of every lover of fine jewelry. And diamonds and diamond jewelry are primarily associated with storybook engagements and red-carpet grand entrances — indeed, this ultra-cherished gemstone has a dramatic history on its hands.

From “A Diamond Is Forever” to “Diamonds Are a Girl’s Best Friend,” pop culture has ingrained in our minds that diamonds are the most desired, the most lasting and the most valuable gemstone. But what makes the diamond so special? Each stone — whether it’s rubies, sapphires or another stone — is unique and important in its own right. April babies might claim diamonds for themselves, but just about everyone wants this kind of sparkle in their lives!

There are several factors that set diamonds apart from other stones, and these points are important to our gem education.

Diamonds are minerals. They are made up of almost entirely of carbon (carbon comprises 99.95 percent; the remainder consists of various trace elements). Diamonds are the hardest gemstones, ranking number 10 on the Mohs Hardness Scale. Even its name, diamond, is rooted in the Greek adamas, or unconquerable. The only object that can scratch a diamond is another diamond. Diamonds are formed deep within the earth at very high temperatures (1,652–2,372 degrees Fahrenheit at depths between 90 and 120 miles beneath the earth’s surface) and are carried up by volcanic activity. Diamonds are quite rare, according to the Gemological Institute of America, and only 30 percent of all the diamonds mined in the world are gem quality.

In the 1950s, the Gemological Institute of America developed the 4Cs grading system to classify diamonds: clarity, color, cut and carat weight. Not all diamonds are created equal (there are diamonds, and then there are diamonds). The value of the diamond depends on the clarity (flawless diamonds are very rare but a diamond's value decreases if there are many blemishes or inclusions), color (the less color the higher the grade), cut (how the diamond’s facets catch the light, certain cuts of diamonds show off the stone better than others) and carat weight (the bigger, the better).

When you start shopping for a diamond engagement ring, always prioritize the cut, which plays the largest role in the diamond's beauty (taking the time to clean your diamond ring at least every six months or so plays a role in maintaining said beauty). And on 1stDibs, a range of buying guides can be found for those in the market for antique engagement ringsvintage engagement rings or Art Deco engagement rings

Shop antique and vintage diamond rings, diamond necklaces and other extraordinary diamond jewelry on 1stDibs.  

Finding the Right Cocktail-rings for You

A flashy symbol of wealth during the early 20th century, antique and vintage cocktail rings have gained broader appeal in the decades since for the hefty dose of glamour they bring to any ensemble.

Cocktail rings earned their name for their frequent appearances during glitzy cocktail parties at the height of the Prohibition era. Back then, these accessories were seen not only as statement pieces but as statements in and of themselves. They openly represented a sense of freedom and independence as well as a demonstration of opulence. After all, the 1920s heralded the Harlem Renaissance and Art Deco design, and a slew of social and cultural shifts meant that women in particular were breaking from pre–World War I conventions and embracing newfound freedoms to express themselves as individuals.

Women expressly wore cocktail rings on the fingers of their right hand versus the left, which was “reserved” for an engagement ring or wedding band, accessories definitely paid for by a suitor. And for cocktail rings, the bigger the colored gem at the center — which is usually mounted in a high setting — and the more elaborate the design, the stronger the likelihood of being noticed.

Cocktail rings remained a popular piece of jewelry for women until the 1930s, when the Great Depression and the onset of war marked a change in behaviors nationwide. While the 1960s and ’70s saw a return in visibility for the accessory, it wasn’t until the 1980s that cocktail rings once again assumed their position as a beacon of luxury and glitz.

During the 20th century, the range of dazzling cocktail rings seems to have been limitless, from glimmering gold rings set with carved jade diamonds designed by David Webb to Pomellato’s pink quartz confections to striking Gucci butterfly rings with accent diamonds set in a pavé fashion.

So, how do you wear a cocktail ring? Cocktail rings “can be worn for almost anything — dinners, date nights, parties, special events, on the red carpet,” explains David Joseph of New York-based jewelry brand Bochic

Can you wear cocktail rings with other rings? “In my opinion, cocktail rings should stand on their own since they showcase a large gem in the center,” says Joseph.

These glamorous jewels can be worn inside or outside crowded taverns, in either daytime or nighttime with casual or dressy attire. On 1stDibs, find a wide variety of antique and vintage cocktail rings, including those offered by Chanel, whose elegant cocktail rings often feature pearls and, of course, diamonds, and sometimes were styled after showy flowers like the camellia, and Van Cleef & Arpels, whose detailed and intricate designs are viewed as miniature pieces of wearable art.