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Late Deco 4.65ct Diamond and Ruby French Flower Brooch, c.1940s
Located in London, GB
collection of diamonds, including old cuts, eight cuts, and baguette cuts, with a total weight of 4.65 carat
Category

Vintage 1940s British Art Deco Brooches

Materials

Diamond, Ruby, 18k Gold, Platinum

Victorian Ruby Sapphire and Diamond Double Heart Ring
Located in London, GB
Here we have a fine example of a Victorian double heart ring. In this case, a pear cut ruby and
Category

Antique 19th Century Engagement Rings

Materials

Diamond, 18k Gold

18K Gold Diamond and Ruby Edwardian Double Head Snake Ring
Located in Venice, CA
the reverse with ruby eyes and a large Old Mine Cut diamond. The reflected image creates a yin-yang
Category

Vintage 1910s English Edwardian Band Rings

Materials

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

Antique Art Deco Platinum White Gold Diamond and Ruby Three Stone Ring
Located in Great Neck, NY
has 3 old cut no heat rubies in the center surrounded by old mine cut diamonds. The top portion of the
Category

Vintage 1920s Unknown Art Deco Cluster Rings

Materials

Diamond, Ruby, White Gold, Platinum

Antique Art Deco Platinum White Gold Diamond and Ruby Three Stone Ring
Located in Great Neck, NY
has 3 old cut no heat rubies in the center surrounded by old mine cut diamonds. The top portion of the
Category

Vintage 1920s Unknown Art Deco Cluster Rings

Materials

Diamond, Ruby, White Gold, Platinum

Victorian Diamond Ruby Silver-Topped 14 Karat Gold Three-Stone Ring
Located in Philadelphia, PA
color Flanked by two old mine cut diamonds, prong set in silver, weighing approximately 0.34 carat
Category

Antique 19th Century Victorian Three-Stone Rings

Materials

White Diamond, Ruby, 14k Gold, Yellow Gold, Silver

Joke Quick Rose Gold 5.22 Ct. Burmese Ruby Diamond Mosaic Ring
By Joke Quick
Located in Antwerp, BE
envolved, in 18K Rose gold 10.3 gram. Pave set with : Burmese Rubies Old Type Cut 5.22 ct.; DEGVVS
Category

2010s Belgian Art Nouveau Fashion Rings

Materials

Diamond, Ruby, 18k Gold, Rose Gold

Belle Epoque three - row ruby, sapphire and diamond gold ring
Located in Napoli, NA
natural Burmese no-heated rubies, five oval mixed-cut natural Ceylon sapphires, and five old mine-cut
Category

Antique Late 19th Century Belle Époque Band Rings

Materials

Diamond, Ruby, Sapphire, Gold, 18k Gold, Yellow Gold

Victorian 3.35 Carats Ruby Diamond 18 Karat Yellow Gold Antique Heart Pendant
Located in Philadelphia, PA
Pendant is designed as a heart shape centering three clustered prong set old mine cut diamonds
Category

Antique 1890s Victorian Pendant Necklaces

Materials

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

British Victorian Ruby Diamond 18 Karat Gold Gypsy Band Ring
Located in Philadelphia, PA
Wide band ring centers a graver set old mine cut diamond; in a starburst motif Weighing
Category

Antique 1890s British Victorian Band Rings

Materials

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

Victorian 2.69 Carat No Heat Ruby Diamond Platinum 14 Karat Gold Cluster Ring
Located in Philadelphia, PA
in color with no indication of heating Surrounded by old mine cut diamonds, prong set in platinum
Category

Antique 19th Century Victorian Cluster Rings

Materials

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

Art Deco French Ruby Diamond Platinum 18 Karat Yellow Gold Shield Stickpin
Located in Philadelphia, PA
color Diamonds are old mine cut and weigh approximately 0.11 carat total Eye clean and bright - bead
Category

Vintage 1930s Art Deco Brooches

Materials

Diamond, Ruby, Gold, 18k Gold, Yellow Gold, Platinum

Pair of Antique Demantoid Garnet Ruby Diamond and Gold Salamander Brooches
Located in London, GB
sides, old-cut diamonds from the nose to the base of the tail, and round cabochon ruby eyes, mounted in
Category

Vintage 1920s American Art Deco Brooches

Materials

Diamond, Garnet, Ruby, Gold, 14k Gold

1900 Victorian 1.90 Carats Diamond Ruby 14 Karat Yellow Gold Bypass Ring
Located in Philadelphia, PA
Bypass ring has overreaching shoulders while featuring a cushion cut ruby and old mine diamond
Category

Antique Early 1900s Victorian Cocktail Rings

Materials

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

Victorian Moonstone Diamond Ruby Onyx Platinum Gold Carved Baby Face Ring
Located in Philadelphia, PA
white adularescence Surrounded by old mine cut and rose cut diamonds weighing in total approximately
Category

Antique 1880s Victorian Fashion Rings

Materials

Diamond, White Diamond, Moonstone, Onyx, Ruby, Gold, Yellow Gold, Platinum

Antique Diamond Natural Ruby 18 Karat Two-Tone Pendant Necklace
Located in Boca Raton, FL
Stunning antique diamond ruby drop necklace is fashioned in 18 karat two tone gold. The 2 old mine
Category

Antique Late 19th Century Unknown Edwardian Pendant Necklaces

Materials

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

Victorian 0.80 Carat Ruby Sapphire Diamond 18 Karat Gold Triple Loop Charm
Located in Philadelphia, PA
. Old mine cut diamonds weigh in total approximately 0.20 carat - G/H color with SI2 clarity. Tested as
Category

Antique 1890s Victorian Charm Bracelets

Materials

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

HM 1869 Multi-Stone Ruby Emerald and Pearl Ring of Suffrage Colors
Located in Baltimore, MD
Lovely multi-stone 15K ring with 4 natural pearls as the central stones and 4 rubies and 2 emeralds
Category

Antique 1860s British Victorian More Rings

Materials

Emerald, Natural Pearl, Ruby, 15k Gold

Belle Epoque Certified Burma Ruby No Heat Diamond Engraved Gold Ring
Located in Napoli, NA
No Heat Ruby 1.29 carat, and surrounded by two colorless round old mine cut diamonds, 0,20 carats
Category

Vintage 1910s European Belle Époque Three-Stone Rings

Materials

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

Antique Edwardian Diamond Ruby Bracelet Platinum 14k Gold Vintage Fine Jewelry
Located in Torrance, CA
gold & 900 platinum. Centrally mounted Old mine cut diamond is estimated at 0.15 carats, accented
Category

Early 20th Century Unknown Edwardian Link Bracelets

Materials

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

Art Nouveau 1920s Diamond Pearl Ruby and Yellow Gold Pendant
Located in Jesmond, Newcastle Upon Tyne
single 3mm pearl, two Dutch cut diamonds and a bezel set ruby. An old mine cut diamond is displayed
Category

Vintage 1920s German Art Nouveau Pendant Necklaces

Materials

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

Antique Edwardian Ring c1912 Diamond Ruby Gypsy Band 18k Gold Jewelry
Located in Torrance, CA
Antique Edwardian gypsy band (circa 1912), crafted in 18 karat rose gold. One old Mine cut
Category

Early 20th Century British Edwardian Band Rings

Materials

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

Snake-Shaped Ruby and Diamond Bangle Bracelet 18kt Yellow Gold and Enamels
Located in Firenze, IT
In 18kt yellow gold, decorated in enamels, embellished with two round cut rubies and huit huit cut
Category

Antique Early 1900s Italian Art Nouveau Bangles

Materials

Diamond, Ruby, 18k Gold, Yellow Gold, Enamel

Victorian Diamond Ruby Double Head Snake Ring Platinum 18 Karat Rose Gold
Located in Boca Raton, FL
Old Mine cut diamonds weighing approximately .36 carat total weight and 5 natural rubyies. The ring is
Category

Antique Late 19th Century Unknown Victorian More Rings

Materials

Diamond, Ruby, 18k Gold, Rose Gold, Platinum

Retro Austrian Hungarian Ruby and Diamond Bracelet Circa 1950s
Located in ADELAIDE, SA
with a synthetic oval ruby and two old cut diamonds. Secured with a box clasp and safety chain
Category

Mid-20th Century Austrian Retro Retro Bracelets

Materials

Diamond, 14k Gold

Victorian Gold Butterfly Brooch with Rock Crystal, Ruby, Emerald and Diamond
Located in Amsterdam, NL
butterfly set with old cut emeralds, rubies and diamonds, the pin is 9 carat gold, circa 1880. weight
Category

Antique Late 19th Century European Brooches

Materials

Crystal, Diamond, Emerald, Rock Crystal, Ruby, Gold, 14k Gold, 9k Gold

18K Star Ruby and Diamond Flush Mount Ring with Scalloped Gold Band, HM 1913
Located in Baltimore, MD
Our 18K flush mount ring features 2 cushion cut diamonds and 1 central ruby encased in 8 pointed
Category

Vintage 1910s British Edwardian Band Rings

Materials

Diamond, Ruby, 18k Gold, Gold

Antique Art Deco Ruby and Diamond Crossover Ring, Trilogy, 18k Gold and Platinum
Located in NEWARK, GB
A beautiful antique Art Deco Diamond and Ruby, crossover trilogy ring. A decadent beauty, it would
Category

Early 20th Century British Art Deco Three-Stone Rings

Materials

Diamond, Ruby, 18k Gold, Platinum

Antique Diamond and Ruby Spider Web Sun Brooch Pendant in 18 Karat Gold
Located in Fairfield, CT
This striking Antique Diamond and Ruby Spider Web Brooch is crafted in 18 karat gold and platinum
Category

Early 20th Century Late Victorian Brooches

Materials

Diamond, Ruby, Gold, 18k Gold, Yellow Gold, Platinum

Antique Edwardian French 18 Karat Gold Diamond and Ruby Three-Stone Ring
Located in Great Neck, NY
Gorgeous Edwardian French Three Stone ring with two Old Mine Cut Diamonds and a Synthetic Ruby
Category

Antique Early 1900s Edwardian Three-Stone Rings

Materials

Diamond, 18k Gold

Antique Double Snake Ring With A Ruby and Diamond Head
Located in New York, NY
Antique Ruby and Diamond Double Snake Gold Ring. A pair of 14 k Gold intertwining snakes wrap
Category

Antique 1880s French Victorian Fashion Rings

Materials

Diamond, 14k Gold

Diamond Ruby Halo Platinum Engagement Ring
Located in Stamford, CT
Bright and sparkly old mine brilliant cut diamond Ruby Platinum halo ring. 1 old mine diamond
Category

Early 2000s Engagement Rings

Materials

Diamond, Ruby, Platinum

Superb Ruby Pearl Diamond Ring
Located in New York, NY
set in Silver & Gold with Old Mine Diamonds & Emerald cut Burmese Rubies in a shell Shape. Centered
Category

Antique 1870s Unknown Baroque Revival Fashion Rings

Materials

Diamond, Natural Pearl, Ruby, 18k Gold, Silver, Yellow Gold

Victorian Gold Diamond Ruby Beetle Brooch
Located in London, England
gold head set with old mine cut diamonds and cabochon ruby eyes. The antlers in the same buttery gold
Category

Antique 1890s Unknown Late Victorian Brooches

Materials

Diamond, Natural Pearl, Ruby, 18k Gold, Yellow Gold

Belle Époque Antique Ruby and Diamond Cross Pendant
Located in Chicago, IL
Christ’s Blood shed on the Cross. The rubies are accented by two old mine cut diamonds. Estimated total
Category

Early 20th Century Edwardian Drop Necklaces

Materials

Ruby

Antique Pearl Ruby Diamond Renaissance Revival Ring
Located in Chicago, IL
gold bezel. The pearl is surrounded by two rows of gemstones: eight rose cut diamonds, eight old mine
Category

Antique Late 19th Century Victorian Cocktail Rings

Materials

Diamond, Natural Pearl, Ruby

Vintage Ruby and Diamond Horseshoe Brooch
Located in London, GB
shape. The design is adorned with alternating square-cut red rubies and bright white round faceted old
Category

Vintage 1930s Brooches

Materials

Diamond, Ruby, Gold, 18k Gold, Yellow Gold, Platinum

Walser Wald Ruby Diamond Gold Butterfly Pendant
Located in Cape May, NJ
Diamonds and 1 carat of old mine cut rubies for a total of 2 carats total weigh in gemstones. The back is
Category

Vintage 1940s Argentine Art Deco Pendant Necklaces

Materials

Diamond, Ruby, 18k Gold

Antique Gold Platinum Ruby and Diamond Cufflinks
Located in Chicago, IL
cufflinks have a hand finished Edwardian style pattern, set with Fine color Cushion Rubies and Old Mine cut
Category

Vintage 1910s American Edwardian Cufflinks

Materials

Diamond, Ruby, Gold, Platinum

Antique Rose Cut Diamond Ruby Pearl Brooch Pendant
Located in New York, NY
and old mine diamonds and rubies. Measures 75mm x 52mm. Tested 14k and silver.
Category

Antique 19th Century Brooches

Materials

Diamond, Ruby, 14k Gold, Silver

Antique 18 Karat Ruby Diamond Ring, Birmingham, 1899
Located in Toronto, ON
cushion cut slightly purplish red rubies and a row of 5 old mine cut diamonds. Total ruby weight
Category

Antique Late 19th Century British More Rings

Materials

Diamond, Ruby, 18k Gold

GIA Certified Black Enamel Ruby Diamond Platinum Cluster Cocktail Ring
Located in Stamford, CT
Platinum ring with black enamel separating natural bright red Rubies and old mine brilliant cut
Category

2010s Cocktail Rings

Materials

Diamond, Ruby, Platinum

Victorian 0.51 Carat Diamond Ruby 14 Karat Gold Stackable Band Ring
Located in Philadelphia, PA
Ring features alternating claw set rubies and diamonds Three old mine cut diamonds weighing
Category

Antique 1880s Unknown Victorian Band Rings

Materials

Diamond, Ruby, 14k Gold

Antique Gold And Diamonds scarab-like Pendant
Located in Tel Aviv-Yafo, IL
with old cut diamonds and ruby ​​gems with leaf motifs. The pendant is signed and in very good
Category

Antique 19th Century Pendant Necklaces

Materials

Diamond, Ruby, Gold, Silver

Victorian Pearl Ruby Emerald Diamond Gold Mourning Bangle Bracelet
Located in Beverly Hills, CA
) yellow gold and set with old mine cut diamonds, rubies, emeralds and pearls. It perfectly fits up to 6.5
Category

Antique Late 18th Century Unknown Victorian Bangles

Materials

Emerald, Natural Pearl, Ruby, White Diamond, 14k Gold, Yellow Gold

Victorian H.W.L. 0.40 Carat Diamond Ruby 18 Karat Gold Ring
Located in Philadelphia, PA
Set to the front with alternating diamonds and rubies 3 old mine cut diamonds weighing
Category

Antique Late 19th Century British Victorian More Rings

Materials

Diamond, Ruby, 18k Gold

Victorian Diamond Brooch
Located in London, GB
with chunky old cut diamonds which graduate in size towards the centre. This ensemble contains
Category

Antique 19th Century Victorian Brooches

Materials

Diamond, Ruby, Gold, Silver

CARTIER PARIS Platinum, Gold, Ruby Diamond Arrow Jabot Pin Art Deco 1920s Rare
By Cartier
Located in Beverly Hills, CA
! Details: Size : 3.25 inches in length 5.1 grams Hallmarked Cartier Paris Natural rubies and old mine cut
Category

Vintage 1920s French Art Deco Brooches

Materials

Diamond, Ruby, Gold, Platinum

Victorian Ruby And Diamond Cluster Ring
Located in Los Angeles, CA
Victorian Ruby And Old Mine-Cut Diamond Halo Ring There is something so sublime about a
Category

Antique 1890s Victorian Engagement Rings

Important Victorian Natural Burmese Ruby 6 Carat and Diamond Ring, circa 1890s
Located in Idar-Oberstein, DE
spectacular natural unheated Burma Ruby of 6.38ct (SSEF certified), surrounded by a cluster of old-mine cut
Category

Antique Late 19th Century Unknown Victorian Cocktail Rings

Materials

Diamond, Ruby, 14k Gold, Silver

Victorian Diamond Peacock Brooch
Located in New Orleans, LA
An array of Old Mine-cut diamonds are featured in this antique brooch that takes the form of a
Category

Antique 19th Century English Victorian Brooches

Materials

Diamond, Ruby, Gold, Silver

Victorian 18 Karat Gold Ruby Rose Cut Diamond Snake Slider Pendant Necklace
Located in Vilnius, Vilniaus apskr.
piece features rubies, old mine and rose cut diamonds. Weight: 10.87g Pendant length: 4cm Chain length
Category

Antique Late 19th Century Victorian Pendant Necklaces

Materials

Diamond, Ruby, Gold, 18k Gold

Art Deco 18 k Global Locket
Located in New York, NY
A 14 k Gold Sphere Hinged Locket with Rubies and Diamonds in a gold frame. The globe opens to
Category

Vintage 1930s American Pendant Necklaces

Materials

Diamond, Ruby, 14k Gold

Victorian 1.10 CTW Ruby Emerald Diamond 14 Karat Yellow Gold Antique Band Ring
Located in Philadelphia, PA
set and flanked east to west by cushion cut rubies and old mine cut diamonds Rubies weigh
Category

Antique 1890s Victorian Engagement Rings

Materials

Diamond, Emerald, Ruby, Gold, 14k Gold, Yellow Gold

Faberge Antique Russian Guilloche Enamel Miniature Egg Pendant 1900s
By Fabergé
Located in Chicago, IL
a ruby. The egg is marked with 56 zolotnik old Russian gold standard (14K) and initials ‘A*H’ for
Category

Early 20th Century Russian Pendant Necklaces

Materials

Ruby, Gold, 14k Gold, Enamel

Victorian 3.10 CTW Ruby Emerald Diamond Platinum 18 Karat Rose Gold Navette Ring
Located in Philadelphia, PA
Designed as a navette shaped form centering a pear cut ruby, old mine cut diamond, and pear cut
Category

Antique 1890s Victorian Engagement Rings

Materials

Diamond, Emerald, Ruby, Gold, 18k Gold, Rose Gold, Yellow Gold, Platinum

Victorian Opal and Diamond Snake Pendant
Located in London, GB
with bright white old mine cut diamonds and cabochon rubies at the eyes adding a touch or intrigue and
Category

Antique 19th Century Victorian Pendant Necklaces

Materials

Diamond, Opal, Ruby, Gold, 18k Gold, Silver

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Old Mine Ruby For Sale on 1stDibs

You are likely to find exactly the old mine ruby you’re looking for on 1stDibs, as there is a broad range for sale. Every item for sale was constructed with extraordinary care, often using Gold, 18k Gold and Yellow Gold. In our selection of items, you can find a vintage example as well as a contemporary version. Finding the perfect old mine ruby may mean sifting through those created during different time periods — you can find an early version that dates to the 19th Century and a newer variation that were made as recently as the 21st Century. For this particular accessory, there are many different carat weights to choose from, but .5 Carat and 1 Carat versions are of considerable interest. Creating an old mine ruby has been a part of the legacy of many jewelers, but those produced by A. J. Hedges Co., Paul Ditisheim and Van Cleef Arpels are consistently popular. See these pages for an old mine cut iteration of this accessory, while there are also old european cut cut and bead cut versions available here, too. Most of our old mine ruby for sale are for women, but there are 75 pieces available to browse for men.

How Much is an Old Mine Ruby?

Prices for an old mine ruby can differ depending upon size, time period and other attributes — at 1stDibs, these accessories begin at $525 and can go as high as $270,000, while this accessory, on average, fetches $4,250.

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 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.

Questions About Old Mine Ruby
  • 1stDibs ExpertApril 5, 2022
    Mine cut diamonds are up to 300 years ago. Mine cut diamonds were popular around the 18th century during Victorian times and are still in high demand today. You’ll find a wide selection of mine cut diamond jewelry on 1stDibs.
  • 1stDibs ExpertFebruary 22, 2021
    Because the old mine cut is no longer used on diamonds, diamonds with this cut are rare and so you can often get quite a lot of money for them. Nevertheless, it is still dependent on the quality of the individual diamonds and on the color, clarity, cut and carat number.
  • 1stDibs ExpertFebruary 22, 2021
    Old mine cut diamonds are usually worth less than old european cut diamonds. Because they are generally 10-15% less expensive, they are often larger than other cut diamonds for engagement rings.
  • Like any other diamond, an old mine cut diamond's worth depends on a variety of factors. These factors include the 4C's (color, clarity, cut, carat), the overall beauty and "make" of the stone, the demand, supply, etc. On average however, old mine cuts are typically priced slightly lower (around 5-10%) than modern cut diamonds.