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GIA Certified 2 Carat No Heat Burma Ruby Art Deco Ring
Located in Santa Barbara, CA
rescued from an unusable setting and reimagined into an authentic Art Deco setting. A masterpiece that
Category

Vintage 1920s Art Deco Engagement Rings

Materials

Diamond, Ruby, Platinum

Certified Natural Art Deco Burmese Ruby and Diamond Clip
Located in New York, NY
AGL Certified Natural Art Deco Burmese Ruby and Diamond Clip A clip set with round and baguette
Category

20th Century Unknown Art Deco Vanity Items

Materials

Diamond, Ruby, Platinum

Art Deco Burma Ruby Diamond Ring
Located in New York, NY
Art Deco Ring in white gold with Burmese ruby (7.6 cts) and diamonds, mounted on 18kt white gold
Category

Vintage 1920s Italian Art Deco Solitaire Rings

Materials

White Diamond, Ruby

Art Deco Burma Ruby & Diamond Bracelet
Located in San Francisco, CA
If you're looking for a genuine show stopper, your search is over! This Art Deco Platinum and 18kt
Category

Early 20th Century Unknown Art Deco Retro Bracelets

Materials

Diamond, Ruby, Platinum

Art Deco Burma Ruby Diamond Platinum Ring
Located in New York, NY
Art Deco platinum hand-made ring featuring a 1.70 carat Burma ruby. This pigeon blood red ruby has
Category

Vintage 1920s Art Deco Engagement Rings

Materials

Diamond, Ruby, Platinum

Natural Burma Ruby - Burma Star Ruby -No Heat Burmese Ruby Cabochon Gemstone
Located in Jaipur, RJ
Natural Burma Ruby Star Ruby No Heat Cabochon Gemstone 65.03 Carats 58 Pieces (For Jewelry Making)
Category

21st Century and Contemporary Burmese Art Deco Loose Gemstones

Materials

Ruby, Star Ruby

Art Deco, Burmese Ruby & White Sapphire Bracelet
Located in Brisbane City, QLD
This rather exceptional natural Burmese ruby and white sapphire bracelet dates to the Art Deco
Category

Early 20th Century Indian Art Deco Link Bracelets

Materials

Ruby, Sapphire, Gold, 9k Gold, Rose Gold, Silver, Sterling Silver

Art Deco Burmese Ruby and Diamond Ring, 1920s
Located in Idar-Oberstein, DE
Wonderful Art Deco ring set with an intense vivid red Burma ruby (approx. 2ct). Old cut and
Category

Vintage 1910s Unknown Art Deco Dome Rings

Materials

Diamond, Ruby, White Gold

Art Deco Burmese Ruby and Diamond Cluster Ring
Located in London, GB
Here we have a lovely Burmese ruby and diamond cluster ring that dates back to the Art Deco era
Category

Vintage 1920s French Art Deco Cluster Rings

Materials

Diamond, Ruby, Platinum

Art Deco Burmese 2.08 carat ruby diamond ring
Located in London, GB
Art Deco Burmese ruby and diamond ring. Set with a cushion shape step cut natural unenhanced
Category

Vintage 1920s British Art Deco Three-Stone Rings

Materials

Diamond, Ruby, Platinum

Art Deco Burmese No Enhancement Carved Ruby Diamond Brooch
Located in New York, NY
Impressive, Burmese ( Myanmar) carved ruby & diamond brooch. The brooch is designed as a pave-set
Category

Vintage 1920s Unknown Art Deco Brooches

Materials

Diamond, Ruby, Platinum

Tiffany & Co. Art Deco Burma Non Heated Ruby and Diamond Art Deco Bracelet
By Tiffany & Co.
Located in Bethesda, MD
From Tiffany & Co. an exception Art Deco natural ruby and diamond bracelet. ♦ Designer: Tiffany
Category

Vintage 1920s American Art Deco Cuff Bracelets

Materials

Diamond, Ruby, Platinum

Art Deco French Cut Diamond Burma Ruby Platinum Bangle Bracelet
Located in New York, NY
Beautifully designed and masterfully handcrafted in platinum this wonderful Art Deco bangle from ca
Category

Vintage 1920s Art Deco Bangles

Materials

Diamond, Ruby, Platinum

1930s Art Deco Platinum Untreated Burmese Ruby and Diamond Ring
Located in Houston, TX
An Art Deco platinum and ruby and bead-set diamond ring with calibré-cut rubies, circa 1930. Ring
Category

Vintage 1930s Unknown Art Deco Cocktail Rings

Materials

Diamond, Ruby, Platinum

American Antique Art Deco 14k Tricolor Gold Burmese Ruby Band, 1930s
Located in Los Angeles, CA
American Antique Art Deco 14k Tricolor Gold Burmese Ruby Band 30s Finger size: 6.5 Width: 8mm
Category

Vintage 1930s American Art Deco Band Rings

Materials

Ruby, Gold

Antique Art Deco Platinum Burma Ruby and Diamond Engagement Ring - GIA
Located in Great Neck, NY
Beautiful Antique Art Deco Platinum Burma Ruby and Diamond Engagement Ring - GIA. This incredible
Category

Vintage 1940s Art Deco Engagement Rings

Materials

Diamond, Ruby, Platinum

Art Deco No-Heat Burmese Ruby Diamond Platinum Ring, GIA Certified
Located in Beverly Hills, CA
A beautiful treasure from the 1920’s! This lovely antique platinum ring features rare Burmese ruby
Category

Antique 1620s American Art Deco Engagement Rings

Materials

Diamond, Ruby, Platinum

Art Deco Natural Unenhanced Burmese Ruby and Diamond Ring
Located in London, GB
Art Deco Burmese ruby and diamond ring. Set with a natural unenhanced Burmese oval old cut ruby in
Category

Vintage 1930s Cluster Rings

Materials

Diamond, Ruby, Platinum

Art Deco 0.79 Carat Center Burma 'Myanmar' No Heat Ruby & Diamonds Ring Platinum
Located in Miami, FL
Art Deco 0.79 Carat Center Burma (Myanmar) No Heat Ruby & Diamonds Ring Platinum Main Stone Carat
Category

Vintage 1930s More Rings

Materials

Diamond, Ruby, Platinum

Antique Art Deco Platinum Burma Star Ruby and Diamond Cocktail Ring - AGL
Located in Great Neck, NY
Beautiful Antique Art Deco Platinum Burma Star Ruby and Diamond Cocktail Ring. This incredible Art
Category

Vintage 1920s Art Deco Cocktail Rings

Materials

Diamond, Star Ruby, Platinum

Lacloche Frères Important Art Deco Burma Ruby Diamond Earrings and Clip Brooches
By Lacloche Freres
Located in Dallas, TX
Exceptional pair of Lacloche Freres clip brooches (convertible to earrings) from the Art Deco prime
Category

Vintage 1930s French Art Deco Dangle Earrings

Materials

Diamond, Ruby, 18k Gold, Platinum

Art Deco GIA Burma Ruby and Diamond Platinum Ring Estate Fine Jewelry
Located in Montreal, QC
Simply Beautiful! Finely detailed Awesome Art Deco Platinum Halo Ring, center securely nestled in
Category

Mid-20th Century Art Deco Cocktail Rings

Materials

Diamond, Ruby, Platinum

Art Deco AGL Certified 3.63 Carat Natural No Heat Burmese Ruby Engagement Ring
Located in New York, NY
This is a stunning platinum engagement ring from the Art Deco era. The ring is centered with a
Category

20th Century Art Deco Engagement Rings

Materials

Ruby, Platinum

Art Deco Platinum and 14ky 12.00 Carat Unheated Burma Ruby Diamond Earrings
Located in Philadelphia, PA
Art Deco platinum and 14k yellow gold Burma ruby and diamond clip on earrings accompanied by an AGL
Category

Vintage 1920s Art Deco Clip-on Earrings

Materials

Diamond, Ruby, 14k Gold, Yellow Gold, Gold, Platinum

Art Deco Style Engraved Burma Jade Enamel Ruby Gold Diamonds Dangle Earrings
By Tutti Frutti Jewellery
Located in Bangkok, TH
50 mm long and 15 mm wide. In 1978 our workshop started in Italy to make simple-chic Art Deco style
Category

Early 2000s Thai Art Deco Dangle Earrings

Materials

Diamond, Jade, Ruby, Gold, Enamel

Art Deco Style Engraved Burma Jade Enamel Ruby Gold Diamonds Dangle Earrings
By Tutti Frutti Jewellery
Located in Bangkok, TH
wide. In 1978 our workshop started in Italy to make simple-chic Art Deco style jewellery, completely
Category

Early 2000s Thai Art Deco Dangle Earrings

Materials

Diamond, Jade, Ruby, Gold, Enamel

Art Deco Style Engraved Burma Jade Enamel Ruby Gold Diamonds Dangle Earrings
By Tutti Frutti Jewellery
Located in Bangkok, TH
wide. In 1978 our workshop started in Italy to make simple-chic Art Deco style jewellery, completely
Category

Early 2000s Thai Art Deco Dangle Earrings

Materials

Diamond, Jade, Ruby, Gold, Enamel

Art Deco Style Engraved Burma Jade Enamel Ruby Gold Diamonds Dangle Earrings
By Tutti Frutti Jewellery
Located in Bangkok, TH
wide. In 1978 our workshop started in Italy to make simple-chic Art Deco style jewellery, completely
Category

Early 2000s Thai Art Deco Dangle Earrings

Materials

Diamond, Jade, Ruby, Gold, Enamel

Art deco natural Burmese ruby and diamond ring, circa 1935.
Located in London, GB
Art deco natural Burmese ruby and diamond ring. Set with an octagonal double brilliant cut natural
Category

Vintage 1930s Unknown Solitaire Rings

Materials

Diamond, Ruby, Platinum

Art Deco 3.41 Carat GIA No Heat Burma Ruby Ring Mounted by Cartier
By Cartier
Located in Santa Barbara, CA
A ravishing natural ruby and diamond Cartier Art Deco engagement ring. An impressive 3.41 carat gem
Category

Vintage 1950s Art Deco Engagement Rings

Materials

White Diamond, Ruby, Platinum

Art Deco Style Engraved Burma Jade Enamel Ruby Gold Diamonds Dangle Earrings
By Tutti Frutti Jewellery
Located in Bangkok, TH
In these classic Art Deco Style earrings the tops are 2 Ruby Oval cabs ,middle parts are composed
Category

1990s Thai Art Deco Dangle Earrings

Materials

Diamond, Jade, Ruby, Gold, 14k Gold, Enamel

Art Deco Style Engraved Burma Jade Enamel Ruby Gold Diamonds Trapeze Earrings
By Tutti Frutti Jewellery
Located in Bangkok, TH
13 mm large. In 1978 our workshop started in Italy to make simple-chic Art Deco style jewellery
Category

Early 2000s Thai Art Deco Dangle Earrings

Materials

Diamond, Jade, Ruby, Gold, 14k Gold, Enamel

Art Deco Style Engraved Burma Jade Enamel Ruby Gold Diamonds Trapeze Earrings
By Tutti Frutti Jewellery
Located in Bangkok, TH
13 mm large. In 1978 our workshop started in Italy to make simple-chic Art Deco style jewellery
Category

Early 2000s Thai Art Deco Dangle Earrings

Materials

Diamond, Jade, Ruby, Gold, 14k Gold, Enamel

Art Deco Style Engraved Burma Jade Enamel Ruby Gold Diamonds Trapeze Earrings
By Tutti Frutti Jewellery
Located in Bangkok, TH
13 mm large. In 1978 our workshop started in Italy to make simple-chic Art Deco style jewellery
Category

Early 2000s Thai Art Deco Dangle Earrings

Materials

Diamond, Jade, Ruby, Gold, 14k Gold, Enamel

Art Deco 7.60ct Burma No Heat Ruby and Diamond Ring mounted on Platinum
Located in New York, NY
An Important Art Deco Ruby and Diamond Ring mounted on Platinum, showcasing a splendid 7.60ct Burma
Category

Vintage 1920s Art Deco Engagement Rings

Materials

Ruby, White Diamond, Diamond, Platinum

Striking Art Deco Platinum, Diamond and Burma Ruby Brooch/Hair Barrette, c. 1920
Located in Aspen, CO
Art Deco platinum, diamond and Burmese ruby double prong clip/hair barrette, c. 1920. This is a
Category

Vintage 1920s Art Deco Brooches

Materials

White Diamond, Ruby, Diamond, Platinum

Art Deco Style Burma Jade Rubies Gold Diamonds Red Enamel Black Onyx Earrings
By Tutti Frutti Jewellery
Located in Bangkok, TH
Art Deco Earrings with 2 round black onix buttons on top with small round ruby cabochons in the
Category

1990s Thai Art Deco Dangle Earrings

Materials

Ruby, Jade, Diamond, Enamel, 18k Gold, Gold

Art Deco 4.12 CTW No Heat Burma Ruby Diamond Platinum Vintage Halo Ring AGL
Located in Philadelphia, PA
Centering a cushion cut ruby weighing 1.97 carats total - transparent medium red in color Natural
Category

Vintage 1930s Art Deco Engagement Rings

Materials

Diamond, Ruby, Platinum

Antique Art Deco 14k Yellow Gold Platinum Old Mine Diamond Burma Ruby Ring
Located in Great Neck, NY
Beautiful Antique Art Deco 14K Yellow Gold Platinum Old Mine Diamond Burma Ruby Ring. This gorgeous
Category

Vintage 1920s Unknown Art Deco Cocktail Rings

Materials

Diamond, Ruby, Yellow Gold, Platinum

Art Deco Style Burma Jade Rubies Black Onix Black Enamel Gold Diamonds Earrings
By Tutti Frutti Jewellery
Located in Bangkok, TH
Italy to make simple-chic Art Deco style jewellery, completely handmade and using the typical gemstones
Category

1990s Thai Art Deco Dangle Earrings

Materials

Ruby, Onyx, Jade, Diamond, Enamel, 18k Gold, Gold

Art Deco Style Burma Jade Rubies Black Onix Black Enamel Gold Diamonds Earrings
By Tutti Frutti Jewellery
Located in Bangkok, TH
In 1978 our workshop started in Italy to make simple-chic Art Deco style jewellery, completely
Category

1990s Thai Art Deco Dangle Earrings

Materials

Ruby, Onyx, Jade, Diamond, Enamel, 18k Gold, Gold

Art Deco Style Burma Jade Rubies Black Onyx Black Enamel Gold Diamonds Earrings
By Tutti Frutti Jewellery
Located in Bangkok, TH
In these Classic Art Deco Style Earrings we have 2 round black onix buttons with in the center 2
Category

Early 2000s Thai Art Deco Drop Earrings

Materials

Ruby, Onyx, Jade, Diamond, Enamel, 14k Gold, Gold

Art Deco 1.75 CTW No Heat Burma Ruby Diamond Platinum Vintage Bombé Ring GIA
Located in Philadelphia, PA
Centering a cushion cut ruby weighing approximately 0.62 carat total Natural Burmese in origin
Category

Vintage 1930s Art Deco Three-Stone Rings

Materials

Diamond, Ruby, Platinum

Art Deco 2.06 CTW No Heat Burma Ruby Diamond Platinum Vintage Halo Ring GIA
Located in Philadelphia, PA
Centering a round cut ruby weighing approximately 0.78 carat - transparent vibrant red Natural
Category

Vintage 1930s Art Deco Cluster Rings

Materials

Diamond, Ruby, Platinum

Art Deco 9.92 CTW No Heat Burma Ruby Diamond Platinum Vintage Halo Ring AGL
Located in Philadelphia, PA
Centering an oval shaped ruby cabochon weighing approximately 7.76 carats Natural Burmese in origin
Category

Vintage 1930s Art Deco Engagement Rings

Materials

Diamond, Ruby, Platinum

A Platinum Art Deco Ring Set with Diamonds and An Oval Facetted Burma Ruby
Located in Amsterdam, NL
A platinum ring set with an oval untreated Burma ruby (app. 0.8 carat) and old cut diamonds, France
Category

Vintage 1920s French Art Deco Engagement Rings

Materials

Diamond, Ruby, Platinum

Fabulous French Art Deco Platinum Burmese Ruby Diamond Brooch
Located in New York, NY
Fabulous French Art Deco platinum Burmese ruby and diamond mounted floral form pin. 22 color match
Category

Vintage 1940s Brooches

Art Deco 3.35 CTW No Heat Burma Ruby Diamond Platinum Vintage 3 Stone Ring GIA
Located in Philadelphia, PA
Centering an oval cut ruby weighing 1.58 carats - transparent medium red Natural Burmese in origin
Category

Vintage 1930s Art Deco Three-Stone Rings

Materials

Diamond, Ruby, Platinum

1.4Ct Unheated Burmese Ruby Earring
Located in Singapore, SG
Burmese Unheated Ruby and diamond earring in 18k solid gold Main Gems - Burmese Unheated Ruby
Category

21st Century and Contemporary Singaporean Art Deco Stud Earrings

Materials

Ruby, 18k Gold

1.4Ct Unheated Burmese Ruby Earring
1.4Ct Unheated Burmese Ruby Earring
W 0.56 in D 0.3 in L 0.57 in
Burmese Unheated Ruby Flower Earring
Located in Singapore, SG
Burmese Unheated Ruby (Mixed) Flower Earring We are pleased to inform you that this item is being
Category

21st Century and Contemporary Singaporean Art Deco Stud Earrings

Materials

Ruby, 18k Gold

Antique Art Deco Platinum Gia Burma Ruby & Diamond Oval Platter Statement Ring
Located in Montclair, NJ
(bottom of the shank) Ring Height: 6.8mm rise off the finger Condition: Antique, Art Deco. Few diamond
Category

21st Century and Contemporary Cocktail Rings

Materials

Diamond, Ruby, Platinum

Antique Art Deco BURMA NO HEAT Ruby Old Mine Cut Diamond Ring GIA Sz 5.25
Located in Winter Springs, FL
An exceptional, original Art Deco ring done in platinum and centered with a 1.02ct oval natural no
Category

Early 20th Century Art Deco Cocktail Rings

Materials

Diamond, Ruby, Platinum

Antique Art Deco 4.67 Carat Burmese Ruby 0.86 Carat Diamond Platinum Ring
Located in Jesmond, Newcastle Upon Tyne
diamond, completing the Art Deco design. This ruby ring has been independently tested using state of the
Category

Vintage 1930s Unknown Cocktail Rings

Materials

Diamond, Ruby, Yellow Gold, Platinum

12.98 Burma Ruby Ring with AGL-Certified Burmese Ruby, Diamond and Platinum
Located in New York, NY
stunning creation is a certified Burmese ruby, an extraordinary treasure in the world of fine gemstones
Category

21st Century and Contemporary Art Deco Engagement Rings

Materials

Diamond, Ruby, Platinum

Gubelin Certified 2.13 Carat Burmese Ruby and Diamond Cocktail Ring
Located in New York, NY
Platinum 8 Diamonds, 0.61 Carats 1 No-Heat Burmese Ruby, 2.13 Carats Gubelin Lab Certificated
Category

2010s Burmese Art Deco Cocktail Rings

Materials

Diamond, Ruby, Platinum

No Heat Burma Ruby Pendant Ball in 18K Yellow Gold-Burmese Unheated Ruby Pendant
Located in Singapore, SG
Unheated rubies from Burma are extremely rare and highly valued in the market. This lovely and
Category

21st Century and Contemporary Singaporean Art Deco Pendant Necklaces

Materials

Ruby, 18k Gold, Yellow Gold

Burma no-heat Ruby Diamond Ring, AGL
Located in New York, NY
occasions. It comes with AGL certificate. Era: Art Deco Main Stone: Unheated Burmese Ruby, approx. 1.4ct
Category

Vintage 1920s Art Deco Three-Stone Rings

Materials

Diamond, Ruby

Platinum, Diamond & Unheated Burmese Ruby Ring
Located in Brisbane City, QLD
Burmese ruby. The central 'unheated' ruby is a cabochon cut, four claw set stone weighing 5.50 carats and
Category

20th Century Art Deco Engagement Rings

Materials

Diamond, Ruby, Platinum

Burma Ruby Red and Diamond Dinner Ring, Engagement Ring
Located in Manhasset, NY
Two Tone Gold Three Stone Large Burma Myanimar Ruby Double Diamond Dinner Ring. Having a large and
Category

Early 20th Century Burmese Art Deco Three-Stone Rings

Materials

Diamond, Ruby, 14k Gold

Burmese No Heat Ruby Hoop earring
Located in Singapore, SG
Main Gemstone (22pcs) - Burmese Unheated ruby Measurement - 2.26x2.16mm Total Carat Weight (22pcs
Category

21st Century and Contemporary Singaporean Art Deco Hoop Earrings

Materials

Ruby, 18k Gold

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Burmese Ruby Art Deco For Sale on 1stDibs

On 1stDibs, you can find the most appropriate burmese ruby art deco for your needs in our varied inventory. Every item for sale was constructed with extraordinary care, often using Platinum, Gold and 18k Gold. Find an antique version now, or shop for 163 vintage or 30 modern creation for a more contemporary example of these cherished accessories. If you’re looking for a burmese ruby art deco from a specific time period, our collection is diverse and broad-ranging, and you’ll find at least one that dates back to the 20th Century while another version may have been produced as recently as the 21st Century. For this particular accessory, there are many different carat weights to choose from, but 1.5 Carat and 2 Carat versions are of considerable interest. There have been many well-made iterations of the classic burmese ruby art deco over the years, but those made by Tutti Frutti Jewellery, Royaal Stones Ltd and Cartier are often thought to be among the most beautiful. Today, if you’re looking for an oval cut version of this piece and are unable to find the perfect match, our selection also includes cushion cut and mixed cut alternatives. If you’re browsing our inventory for a burmese ruby art deco, you’ll find that many are available today for women, but there are still pieces to choose from for unisex and men.

How Much is a Burmese Ruby Art Deco?

On average, a burmese ruby art deco at 1stDibs sells for $16,025, while they’re typically $600 on the low end and $195,000 for the highest priced versions of this item.

A Close Look at Art Deco Jewelry

Fascination with the Jazz Age is endless, and even today jewelry designers continue to be inspired by authentic Art Deco jewelry and watches.

The Art Deco period, encompassing the 1920s and ’30s, ushered in a very distinct look in the design of jewelry. There were many influences on the jewelry of the era that actually began to take shape prior to the 1920s. In 1909, Serge Diaghilev brought the Ballet Russes to Paris, and women went wild for the company’s exotic and vibrant costumes It’s no wonder, then, that jade, lapis lazuli, coral, turquoise and other bright gemstones became all the rage. There already existed a fascination with the East, particularly China and Japan, and motifs consisting of fans and masks started to show up in Art Deco jewelry.

However, the event that had the greatest influence on Deco was the excavation of the tomb of King Tut in 1922. When the world saw what was hidden in Tut’s burial chamber, it sent just about everyone into a frenzy. Pierre Cartier wrote in 1923 that “the discovery of the tomb will bring some sweeping changes in fashion jewelry.” And he couldn’t have been more right. “Egyptomania” left an indelible mark on all of the major jewelry houses, from Cartier to Van Cleef & Arpels, Boucheron and Georges Fouquet. (Cartier created some of the most iconic jewelry designs that defined this era.)

While a lot of Art Deco jewelry was black and white — the black coming from the use of onyx or black enamel and the white from rock crystal and diamonds — there is plenty of color in jewelry of the era. A perfect accent to diamonds in platinum settings were blue sapphires, emeralds and rubies, and these stones were also used in combination with each other.

Many designers employed coral, jade and lapis lazuli, too. In fact, some of the most important avant-garde jewelers of the period, like Jean Després and Jean Fouquet (son of Georges), would combine white gold with ebony and malachite for a jolt of color.

A lot of the jewelry produced during this time nodded to current fashion trends, and women often accessorized their accessories. The cloche hat was often accented with geometric diamond brooches or double-clip brooches. Backless evening dresses looked fabulous with sautoir necklaces, and long pearl necklaces that ended with tassels, popular during the Edwardian period, were favored by women everywhere, including Coco Chanel.

Find unique Art Deco necklaces, earrings, bracelets and other jewelry on 1stDibs.

The Legacy of Ruby in Jewelry Design

This deep red gem is the color of heat and passion — vintage and antique ruby jewelry is perfect for those born in the middle of summer.

Rubies are one of the few gemstones that can give diamonds a run for their money. Just consider the Van Cleef & Arpels “scarf” necklace the Duke of Windsor presented to the Duchess on her 40th birthday, in 1936 — set with diamonds and dripping with rubies, a testament to the deep-red gemstone’s power — or the slippers encrusted with 4,600 rubies that Harry Winston made to commemorate The Wizard of Oz’s golden anniversary. July babies have permission to adorn themselves with this beautiful red stone even when it’s not their birthday.

Rubies are considered precious stones — along with diamonds, sapphires and emeralds — and have a hardness of 9.0 on the Mohs Scale, surpassed only by Moissanite and diamonds. They are composed of corundum, a colorless mineral that is also the basic material of sapphires. In the July birthstone, the red of the gemstone — and the various hues seen in sapphires — are produced by the presence of trace elements. In the case of a ruby, this element is chromium. Rubies range in color from vermilion to a violet red. They are also pleochroic, which means that a stone’s hue can vary depending on the direction of viewing. The most sought-after color is pigeon’s blood: pure red with a hint of blue.

Rubies that are hosted in dolomite marble are the most prized: Because the marble is low in iron, so are the rubies, resulting in a more intense color. Rubies found in basalt, which has a higher iron content, are generally darker and less intense.

When shopping for antique and vintage ruby jewelry, remember that the 4Cs of selecting the perfect diamond — color, clarity, cut and carat — also apply to rubies.

According to the Gemological Institute of America, the color of the July birthstone should be a vibrant to slightly purplish red, and the stone should be clear and inclusion-free. Accordingly, the cut should show off its color and clarity. As for the last criterion, fine rubies more than a carat in weight are rare. Often, large rubies are more expensive than diamonds of comparable weights.

Find a collection of ruby necklaces, ruby rings and other accessories on 1stDibs.