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Rectangle Ruby Rings

Ruby Diamond 14 Karat Gold Rectangle Ring
Ruby Diamond 14 Karat Gold Rectangle Ring

Ruby Diamond 14 Karat Gold Rectangle Ring

By Meghna Jewels

Located in Hoffman Estate, IL

This ring has been meticulously crafted from 14-karat gold. It is hand set with 1.33 carats ruby and 1.32 carats diamonds. FOLLOW MEGHNA JEWELS storefront to view the latest coll...

Category

21st Century and Contemporary Unknown Artisan Band Rings

Materials

Diamond, Ruby, Gold, 14k Gold

10.35 Carat Rectangle Aquamarine Ruby Diamond Platinum Engagement Ring
10.35 Carat Rectangle Aquamarine Ruby Diamond Platinum Engagement Ring

10.35 Carat Rectangle Aquamarine Ruby Diamond Platinum Engagement Ring

Located in Stamford, CT

Magnificat 1930's Aqua, ruby and diamond engagement ring. At the center of this Art Deco design is a 10.35ct aquamarine mounted in a platinum setting with a halo of French cut rubie...

Category

Early 20th Century Engagement Rings

Materials

Aquamarine, Diamond, Ruby, Platinum

Ruby Rectangle & Diamond Round Ring In 18K Yellow Gold
Ruby Rectangle & Diamond Round Ring In 18K Yellow Gold

Ruby Rectangle & Diamond Round Ring In 18K Yellow Gold

By Tresor Collection

Located in Coral Gables, FL

Tresor Beautiful Ring feature 1.50 carats of Ruby and 0.05 carats of Diamond. The Ring are an ode to the luxurious yet classic beauty with sparkly gemstones and feminine hues. Their ...

Category

2010s American Contemporary More Rings

Materials

Diamond, Ruby, 18k Gold, Yellow Gold

Ruby & Yellow Sapphire Rectangle Ring In 18K Yellow Gold
Ruby & Yellow Sapphire Rectangle Ring In 18K Yellow Gold

Ruby & Yellow Sapphire Rectangle Ring In 18K Yellow Gold

By Tresor Collection

Located in Coral Gables, FL

Tresor Beautiful Ring feature 2.45 carats of Gemstone. The Ring are an ode to the luxurious yet classic beauty with sparkly gemstones and feminine hues. Their contemporary and modern...

Category

2010s American Contemporary More Rings

Materials

Diamond, Emerald, 18k Gold, Yellow Gold

Recent Sales

Diamond and Ruby Platinum Rectangle Ring
Diamond and Ruby Platinum Rectangle Ring

Diamond and Ruby Platinum Rectangle Ring

Located in Southampton, PA

This ring is made of platinum and weighs 5.5 grams, boasting band thickness of 2 mm and top height of 5 mm, while top dimensions measure 13 by 7 mm. The ring is set with a ruby that ...

Category

20th Century More Rings

Materials

White Diamond, Ruby, Platinum

Diamonds Ruby and Rectangle Emerald Cabochon Yellow Gold Ring
Diamonds Ruby and Rectangle Emerald Cabochon Yellow Gold Ring

Diamonds Ruby and Rectangle Emerald Cabochon Yellow Gold Ring

Located in Southampton, PA

Boost the aesthetical value of your ensembles in a compellingly luxurious manner with this extraordinary 18K yellow gold ring that features prestigious design lavishly topped off wit...

Category

20th Century More Rings

Materials

White Diamond, Emerald, Ruby, 18k Gold, Yellow Gold

Art Deco Created Ruby Filigree Ring, 14K White Gold, Ring, Rectangle
Art Deco Created Ruby Filigree Ring, 14K White Gold, Ring, Rectangle

Art Deco Created Ruby Filigree Ring, 14K White Gold, Ring, Rectangle

Located in McLeansville, NC

An Art Deco 14 karat white gold created ruby filigree ring. This ring features a prong set, rectangle emerald cut created ruby weighing approximately ?

Category

Antique Early 1900s Art Deco Fashion Rings

Materials

Ruby, Gold, 14k Gold, White Gold

14 Karat White Gold Diamond and Ruby Rectangle Cushion Ring
14 Karat White Gold Diamond and Ruby Rectangle Cushion Ring

14 Karat White Gold Diamond and Ruby Rectangle Cushion Ring

Located in Southampton, PA

This ring is crafted from 14K white gold and weighs 2.6 grams, boasting band thickness of 2 mm and top height of 5 mm, while top dimensions measure 9 by 11 mm. The ring is set with a...

Category

21st Century and Contemporary More Rings

Materials

White Diamond, Ruby, 14k Gold, White Gold

14 Karat White Gold Diamond and Ruby Rectangle Cushion Ring
14 Karat White Gold Diamond and Ruby Rectangle Cushion Ring

14 Karat White Gold Diamond and Ruby Rectangle Cushion Ring

Located in Southampton, PA

This ring is crafted from 14K white gold and weighs 2.6 grams, boasting band thickness of 2 mm and top height of 5 mm, while top dimensions measure 9 by 11 mm. The ring is set with a...

Category

21st Century and Contemporary More Rings

Materials

White Diamond, Ruby, Diamond, 14k Gold, White Gold

Yellow Gold Diamonds and Ruby Small Rectangle Ring
Yellow Gold Diamonds and Ruby Small Rectangle Ring

Yellow Gold Diamonds and Ruby Small Rectangle Ring

Located in Southampton, PA

This ring is made of 14K yellow gold and set with a ruby and with diamonds that weigh 0.12 carats in total. The ring weighs 2.3 grams, boasting band thickness of 1 mm and top height ...

Category

21st Century and Contemporary Band Rings

Materials

Diamond, Yellow Gold

14 Karat White Gold Diamonds and Ruby Small Rectangle Ring
14 Karat White Gold Diamonds and Ruby Small Rectangle Ring

14 Karat White Gold Diamonds and Ruby Small Rectangle Ring

Located in Southampton, PA

This ring is made of 14K white gold and set with a ruby and with diamonds that weigh 0.12 carats in total. The ring weighs 2.3 grams, boasting band thickness of 1 mm and top height o...

Category

21st Century and Contemporary Band Rings

Materials

Diamond, White Gold

Christian Dior 1970s Vintage Rectangle Ruby Red Crystals Halo Silver Ring, US 7
Christian Dior 1970s Vintage Rectangle Ruby Red Crystals Halo Silver Ring, US 7

Christian Dior 1970s Vintage Rectangle Ruby Red Crystals Halo Silver Ring, US 7

By Christian Dior

Located in Wokingham, England

Christian Dior 1970s Vintage Rectangle Ruby Red Crystals Elegant Charm Halo Ring, US 7, Silver Tone Good condition.

Category

Vintage 1970s German Art Deco Solitaire Rings

Materials

Silver Plate

Christian Dior 1970s Vintage Rectangle Ruby Red Crystals Halo Silver Ring, US 7
Christian Dior 1970s Vintage Rectangle Ruby Red Crystals Halo Silver Ring, US 7

Christian Dior 1970s Vintage Rectangle Ruby Red Crystals Halo Silver Ring, US 7

By Christian Dior

Located in Wokingham, England

Christian Dior 1970s Vintage Rectangle Ruby Red Crystals Elegant Charm Halo Ring, US 7, Silver Tone Good condition.

Category

Vintage 1970s German Art Deco Solitaire Rings

Materials

Silver Plate

Christian Dior 1970s Vintage Rectangle Ruby Red Crystals Halo Silver Ring, US 7
Christian Dior 1970s Vintage Rectangle Ruby Red Crystals Halo Silver Ring, US 7

Christian Dior 1970s Vintage Rectangle Ruby Red Crystals Halo Silver Ring, US 7

By Christian Dior

Located in Wokingham, England

Christian Dior 1970s Vintage Rectangle Ruby Red Crystals Elegant Charm Halo Ring, US 7, Silver Tone Good condition.

Category

Vintage 1970s German Art Deco Solitaire Rings

Materials

Silver Plate

Christian Dior 1970s Vintage Rectangle Ruby Red Crystals Halo Silver Ring, US 7
Christian Dior 1970s Vintage Rectangle Ruby Red Crystals Halo Silver Ring, US 7

Christian Dior 1970s Vintage Rectangle Ruby Red Crystals Halo Silver Ring, US 7

By Christian Dior

Located in Wokingham, England

Christian Dior 1970s Vintage Rectangle Ruby Red Crystals Elegant Charm Halo Ring, US 7, Silver Tone Good condition.

Category

Vintage 1970s German Art Deco Solitaire Rings

Materials

Silver Plate

Christian Dior 1970s Vintage Rectangle Ruby Red Crystals Halo Silver Ring, US 7
Christian Dior 1970s Vintage Rectangle Ruby Red Crystals Halo Silver Ring, US 7

Christian Dior 1970s Vintage Rectangle Ruby Red Crystals Halo Silver Ring, US 7

By Christian Dior

Located in Wokingham, England

Christian Dior Vintage 1980s Oval Amethyst Purple Crystals Halo Cocktail Statement Chunky Ring, US 7, Gold Tone Good condition. Some scratches and colour loss. 100% Genuine. Very b...

Category

Vintage 1980s German Art Deco Fashion Rings

Materials

Silver Plate

Christian Dior 1970s Vintage Rectangle Ruby Red Crystals Silver Halo Ring, US 7
Christian Dior 1970s Vintage Rectangle Ruby Red Crystals Silver Halo Ring, US 7

Christian Dior 1970s Vintage Rectangle Ruby Red Crystals Silver Halo Ring, US 7

By Christian Dior

Located in Wokingham, England

Good condition. Some scratches and colour loss. Rare to find. Signed at the rear. Vintage. Material: Silver plated metal, Rhinestones. UK size: N. _ _ _ Great for everyday wear....

Category

Vintage 1970s German Art Deco Solitaire Rings

Materials

Silver Plate

Emerald Rubies Diamonds Rectangle Citrine Rose Gold and Silver Cocktail Ring
Emerald Rubies Diamonds Rectangle Citrine Rose Gold and Silver Cocktail Ring

Emerald Rubies Diamonds Rectangle Citrine Rose Gold and Silver Cocktail Ring

Located in Napoli, Campania

Elegant ring in 9 kt rose gold and silver, (length 2.9 cm x 2 cm width), embellished with 0.06 ct of diamonds , 0.41 ct of little emeralds and rubies, and 10 ct of citrine rectangle ...

Category

Vintage 1970s Italian Retro Fashion Rings

Materials

Citrine, Diamond, Emerald, Ruby, 9k Gold, Silver, Rose Gold

White Gold Synthetic Ruby Art Deco Men's Ring - 14k Rectangle Vintage Solitaire
White Gold Synthetic Ruby Art Deco Men's Ring - 14k Rectangle Vintage Solitaire

White Gold Synthetic Ruby Art Deco Men's Ring - 14k Rectangle Vintage Solitaire

Located in Greensboro, NC

Size: 8 Sizing Fee: Down 1 size for $40 or up 2 sizes for $50 Era: Art Deco Date: 1920s - 30s Metal Content: 14k White Gold Stone Information Synthetic Ruby Cut: Rectangle Color...

Category

Vintage 1920s Art Deco Solitaire Rings

Materials

Ruby, 14k Gold, White Gold

Ruby Diamond Gold Rectangle Cobblestone Ring
Ruby Diamond Gold Rectangle Cobblestone Ring

Ruby Diamond Gold Rectangle Cobblestone Ring

By Single Stone

Located in Los Angeles, CA

2.75ctw old European, old Mine, Round Brilliant, Single cut and vintage Cushion cut diamonds with 0.93ctw Ruby surround set in handcrafted 18K oxidized yellow gold mounting. Prices m...

Category

2010s American Contemporary More Rings

Materials

Diamond, 18k Gold

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South Sea Pearl Diamond Drop Earrings 1.55 Carats 18K White Gold 14-15 MM
South Sea Pearl Diamond Drop Earrings 1.55 Carats 18K White Gold 14-15 MM

South Sea Pearl Diamond Drop Earrings 1.55 Carats 18K White Gold 14-15 MM

By Harbor Diamonds

Located in New York, NY

18K White Gold drop earrings featuring two South Sea Pearls measuring 14-15 mm flanked with numerous diamonds weighing 1.55 carats. Comes in Rose Gold

Category

2010s American Contemporary Dangle Earrings

Materials

Diamond, South Sea Pearl, 18k Gold, White Gold

BUCCELLATI Aquamarine Diamond Ruby 18k Yellow Gold Ring
BUCCELLATI Aquamarine Diamond Ruby 18k Yellow Gold Ring

BUCCELLATI Aquamarine Diamond Ruby 18k Yellow Gold Ring

By Gianmaria Buccellati

Located in New York, NY

This exquisite vintage Gianmaria Buccellati cocktail ring is crafted in 18k brushed and textured yellow gold with white gold accents. This ring is set with a faceted oval approximate...

Category

1990s Cocktail Rings

Materials

Aquamarine, Diamond, Ruby, Yellow Gold

Roman Malakov 5.85 Carats Pear Shape Emerald & Diamond Three-Stone Fashion Ring
Roman Malakov 5.85 Carats Pear Shape Emerald & Diamond Three-Stone Fashion Ring

Roman Malakov 5.85 Carats Pear Shape Emerald & Diamond Three-Stone Fashion Ring

By Roman Malakov

Located in New York, NY

A beautiful cocktail ring, showcasing a 5.85 carats pear shape emerald certified by GIA as natural and of Zambian origin. Flanked by pear shape diamonds weighing 1.13 carats total. F...

Category

21st Century and Contemporary American Contemporary Cocktail Rings

Materials

Diamond, Emerald, Platinum

Rare Colors - Huge Looking 4.49ct GIA Light Yellow VS1  Pear Shape Diamond Ring
Rare Colors - Huge Looking 4.49ct GIA Light Yellow VS1  Pear Shape Diamond Ring

Rare Colors - Huge Looking 4.49ct GIA Light Yellow VS1 Pear Shape Diamond Ring

By Rare Colors

Located in New York, NY

This stunning ring features a 4.49-carat pear-shaped diamond, graded Light Yellow (W-X) with VS1 clarity, offering a luminous and warm glow. With its impressive 16-millimeter length,...

Category

2010s Fashion Rings

Materials

Yellow Diamond, Diamond, Yellow Gold, Platinum

Vintage 18ct Rose Gold, 1940s Cushion Cut Aquamarine & Diamond Cocktail Ring
Vintage 18ct Rose Gold, 1940s Cushion Cut Aquamarine & Diamond Cocktail Ring

Vintage 18ct Rose Gold, 1940s Cushion Cut Aquamarine & Diamond Cocktail Ring

Located in Brighton, GB

Vintage Aquamarine Cocktail Ring 18ct Rose & White Gold Tested Circa 1940’s Introducing a stunning 1940s 18ct gold cocktail ring that exudes timeless elegance and sophistication...

Category

Mid-20th Century European Cocktail Rings

Materials

Aquamarine, Diamond, 18k Gold, Rose Gold

NWT $380, 000 18KT Rare Exquisite Massive Fancy Glittering Paraiba Diamond Ring
NWT $380, 000 18KT Rare Exquisite Massive Fancy Glittering Paraiba Diamond Ring

NWT $380, 000 18KT Rare Exquisite Massive Fancy Glittering Paraiba Diamond Ring

Located in New York, NY

The Following Items we are offering is a Rare Important Spectacular and Brilliant 18KT Gold Large Massive Gorgeous Paraiba and Diamond Ring. Ring consists of Rare a Large Fine Magnif...

Category

21st Century and Contemporary Cocktail Rings

Materials

Diamond, Paraiba, Gold, 18k Gold

ZUHAIR MURAD Bridal 2015 Runway white pearl embellished wedding gown IT36 XXS
ZUHAIR MURAD Bridal 2015 Runway white pearl embellished wedding gown IT36 XXS

ZUHAIR MURAD Bridal 2015 Runway white pearl embellished wedding gown IT36 XXS

By Zuhair Murad

Located in Hong Kong, NT

ZUHAIR MURAD Bridal 2015 Runway white pearl embellished wedding gown IT36 XXS Reference: CELG/A00374 Brand: Zuhair Murad Collection: FW 2015 Mariage - Runway As seen on: Katie Malone...

Category

21st Century and Contemporary Lebanese Wedding Dresses

GRS Certified 14 Ct. MINOR OIL Green Emerald Diamond Ring
GRS Certified 14 Ct. MINOR OIL Green Emerald Diamond Ring

GRS Certified 14 Ct. MINOR OIL Green Emerald Diamond Ring

Located in Chicago, IL

A one of kind 14 carat cushion cut green emerald certified as minor oil flanked by cadillac and baguette diamonds set in 18k white gold

Category

2010s American Contemporary Cocktail Rings

Materials

Diamond, Emerald, Platinum

Tiffany & Co., 5.06 Carats Diamond Engagement Ring
Tiffany & Co., 5.06 Carats Diamond Engagement Ring

Tiffany & Co., 5.06 Carats Diamond Engagement Ring

By Tiffany & Co.

Located in Chicago, IL

This beautiful engagement ring crafted by Tiffany & Co. boasts one emerald cut diamond weighing 5.06 carats with F color, VS2 clarity, surrounded by 28 calibre cut baguettes weighing...

Category

21st Century and Contemporary American Modern Engagement Rings

Materials

Diamond, Platinum

18 Carat Gold Sapphire and Diamond Bracelet
18 Carat Gold Sapphire and Diamond Bracelet

18 Carat Gold Sapphire and Diamond Bracelet

By La Fleur Jewels

Located in Bangkok, TH

18 Carat Gold Sapphire and Diamond Bracelet The elegant sapphire and diamond bracelet which compose of sapphire 7.16 ct and diamond 1.48 ct H VS quality.It is very elegant for party...

Category

21st Century and Contemporary Thai Modern Retro Bracelets

Materials

Diamond, Sapphire, 18k Gold

Oscar Heyman 2.61 Carat Colombian Emerald Earrings
Oscar Heyman 2.61 Carat Colombian Emerald Earrings

Oscar Heyman 2.61 Carat Colombian Emerald Earrings

By Oscar Heyman

Located in New Orleans, LA

These elegant drop earrings by the renowned Oscar Heyman feature two verdant green Colombian emeralds, totaling 2.61 carats. Certified as treated with only minor oil, these emeralds ...

Category

21st Century and Contemporary American Modern Drop Earrings

Materials

Diamond, Emerald, Platinum

NALLY  GIA  10.44 Carat Emerald-Cut Diamond Ring
NALLY  GIA  10.44 Carat Emerald-Cut Diamond Ring

NALLY GIA 10.44 Carat Emerald-Cut Diamond Ring

Located in New York, NY

NALLY Impressive Diamond Ring with 10.44 carat emerald-cut diamond. G.I.A. certified Champagne Color, ( U-V) VS2 clarity with 4 carats of yellow round diamonds all set in 18k yello...

Category

2010s American Contemporary Solitaire Rings

Materials

Diamond, 18k Gold

High Jewelry Ruby, Diamond and Mother-of-Pearl Collar Necklace, 14K Rose Gold
High Jewelry Ruby, Diamond and Mother-of-Pearl Collar Necklace, 14K Rose Gold

High Jewelry Ruby, Diamond and Mother-of-Pearl Collar Necklace, 14K Rose Gold

By Spectrum Jewels

Located in Deira, Dubai

Spectrum Jewels Ruby, Diamond and Mother-of-Pearl High Jewelry Choker Necklace in 14K Rose Gold A celebration of feminine grace and exceptional craftsmanship, this extraordinary hi...

Category

21st Century and Contemporary American Contemporary Choker Necklaces

Materials

Ruby, Pearl, Diamond, 14k Gold, Rose Gold, Gold

Ruby Diamond 14 Karat Gold Snake Ring
Ruby Diamond 14 Karat Gold Snake Ring

Ruby Diamond 14 Karat Gold Snake Ring

By Meghna Jewels

Located in Hoffman Estate, IL

This ring has been meticulously crafted from 14-karat gold and hand set with .11 carats sapphire, .03 carats ruby and .49 carats of sparkling diamonds. The ring is a size 7 and may ...

Category

21st Century and Contemporary Unknown Modern Band Rings

Materials

Diamond, Ruby, Gold, 14k Gold, Enamel

Gem Santa Maria Color Aquamarine and Diamond Ring
Gem Santa Maria Color Aquamarine and Diamond Ring

Gem Santa Maria Color Aquamarine and Diamond Ring

Located in New York, NY

A spectacular perfectly emerald cut aquamarine is the centerpiece of this beautiful ring. The amazing saturation of color and brilliance warrant giving this gem a 10 our of 10. The d...

Category

2010s Cocktail Rings

Materials

Aquamarine, Diamond, 18k Gold, White Gold

GIA Certified 29.54 Carats Total Pear Shape & Round Cut Diamond Dangle Earrings
GIA Certified 29.54 Carats Total Pear Shape & Round Cut Diamond Dangle Earrings

GIA Certified 29.54 Carats Total Pear Shape & Round Cut Diamond Dangle Earrings

By Roman Malakov

Located in New York, NY

An elegant pair of dangle earrings, featuring pear shape diamonds weighing 24.32 carats total certified by GIA as K color and SI clarity, each set on a five prong setting. Suspended ...

Category

21st Century and Contemporary American Contemporary Drop Earrings

Materials

Diamond, Platinum

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Rectangle Ruby Rings For Sale on 1stDibs

Find an expansive variety of rectangle ruby rings available on 1stDibs. All of the items for sale were constructed with extraordinary care, often using gold, yellow gold and 18k gold. Find a collection of 14 vintage versions or 13 modern creations for a more contemporary example of these cherished accessories. Our inventory is broad and distinctive, with accessories on offer that were made as long ago as the 20th Century to those produced as recently as the 21st Century. Art Deco and modern are consistently popular styles when it comes to rectangle ruby rings. Five Star Jewelry, Christian Dior and David Webb each produced beautiful examples of these items that are worth considering. Many pieces in our collection are stylish for most occasions, but ruby versions, from our inventory of 19, can add a particularly distinctive touch to your look, day or night. Today, if you’re looking for mixed cut rectangle ruby rings and are unable to find the perfect match, our selection also includes emerald cut and baguette cut alternatives. Most of our rectangle ruby rings for sale are for women, but there are 9 pieces available to browse for men.

How Much are Rectangle Ruby Rings?

Prices for rectangle ruby rings can differ depending upon size, time period and other attributes — at 1stDibs, these accessories begin at $220 and can go as high as $25,800, while rectangle ruby rings, on average, fetch $2,500.

Finding the Right Rings for You

Antique and vintage rings have long held a special place in the hearts of fine jewelry lovers all over the world.

No matter their origin or specific characteristics, rings are timeless, versatile accessories. They’ve carried deep meaning since at least the Middle Ages, when diamond rings symbolized strength and other kinds of rings were worn to signify romantic feelings or to denote an affiliation with a religious order. Rings have also forever been emblematic of eternity.

Over time, rings have frequently taken the form of serpents, which have long been associated with eternal life, health and renewal. Italian luxury jewelry house Bulgari has become famous for its widely loved Serpenti motif, for example, and its Serpenti ring, like the other accessories in the collection, began as an homage to jewelry of the Roman and Hellenistic eras. The serpent is now a popular motif in fine jewelry. Jewelry devotees have long pined for rings adorned with reptiles, thanks to antique Victorian rings — well, specifically, Queen Victoria’s illustrious engagement ring, which took the form of a gold snake set with rubies, diamonds and an emerald (her birthstone). Designs for Victorian-era engagement rings often featured repoussé work and chasing, in which patterns are hammered into the metal.

Engagement rings, which are reliably intimidating to shop for, are still widely recognized as symbols of love and commitment. 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

The most collectible antique engagement rings and vintage engagement rings are those from the Victorian, Edwardian and Art Deco eras. Named for the monarchies of the four King Georges, who in succession ruled England starting in 1714 (plus King William’s reign), antique Georgian rings, be they engagement rings or otherwise, are also coveted by collectors. Pearls, along with colored gemstones like garnets, rubies and sapphires, were widely used in Georgian jewelry. The late-1700s paste jewelry was a predecessor to what we now call fashion or costume jewelry

The Art Nouveau movement (1880–1910) brought with it rings inspired by the natural world. Antique Art Nouveau rings might feature depictions of winged insects and fauna as well as women, who were simultaneously eroticized and romanticized, frequently with long flowing hair. Art Deco jewelry, on the other hand, which originated during the 1920s and ’30s, is by and large “white jewelry.” White metals, primarily platinum, were favored over yellow gold in the design of antique Art Deco rings and other accessories as well as geometric motifs, with women drawn to the era’s dazzling cocktail rings in particular.

Whether you’re hunting down a chunky classic for a Prohibition-themed cocktail party or seeking a clean contemporary design to complement your casual ensemble, find an exquisite collection of antique, new and vintage rings on 1stDibs.