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Antique Victorian Old Mine Diamond Ruby Locket Pendant 14 Karat Gold Star Flower
Located in New York, NY
a Ruby in a star and flower motif design. The locket is the most stunning warm brushed 14 Karat
Category

19th Century Unknown Victorian Antique Ruby Locket

Materials

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

Antique 2.80 Carat Ruby and 0.28 Carat Diamond Yellow Gold Heart Pendant Locket
Located in Jesmond, Newcastle Upon Tyne
anterior surface of the locket is further embellished with forty-nine claw set rubies, in a combination of
Category

Early 1900s Unknown Antique Ruby Locket

Materials

Diamond, Ruby, Yellow Gold

Antique 15ct Victorian Gold Ruby Diamond Glass Locket
Located in Brighton, GB
. Set with Old Cut Diamonds & Natural Calibrated Rubies. Locket Back, Filled With Pretty Petals- Could
Category

Late 19th Century English Victorian Antique Ruby Locket

Materials

Diamond, Ruby, Gold, 15k Gold

Vintage Tiffany Co Locket 14k Gold 4 Pages Diamond Ruby Pendant Fine Jewelry
By Tiffany Co.
Located in Torrance, CA
Finely detailed vintage Tiffany & Co diamond & ruby locket, crafted in 14 karat yellow gold (circa
Category

Early 20th Century American Retro Antique Ruby Locket

Materials

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

Victorian Locket with Pearl and Ruby
Located in New York, NY
An English Victorian 18 karat gold locket with seed pearls and rubies. The locket has 5 seed pearls
Category

1870s English Victorian Antique Ruby Locket

Materials

Pearl, Ruby, 18k Gold

Large 14K Diamond Ruby Victorian Locket
Located in Chicago, IL
Carat, further set with an old cut Ruby. The inside of the Locket has a bezel only in one half.
Category

Late 19th Century American Victorian Antique Ruby Locket

Materials

Diamond, Ruby, 14k Gold

Victorian Triple Locket Ruby Pearl Necklace
Located in Carmel-by-the-Sea, CA
crevasses of the checkerboard pattern created by the pearls are brilliant red rubies. The back of each
Category

1870s Antique Ruby Locket

Materials

Pearl, Ruby, 18k Gold, Yellow Gold

Antique Sapphire Ruby gold Locket Pendant
Located in Miami, FL
This classically timeless antique locket pendant is crafted in solid 18K yellow gold, weighs 8.5
Category

Mid-19th Century Unknown Art Nouveau Antique Ruby Locket

Materials

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

Victorian Ruby and Pearl Heart Locket Necklace
Located in London, GB
Here we have a romantic ruby and pearl set locket necklace. This antique pendant has been crafted
Category

19th Century Antique Ruby Locket

Materials

Pearl, Ruby

Victorian Ruby Diamonds Pearl Yellow Gold Locket
Located in Carmel-by-the-Sea, CA
Handmade Locket with 12 Cushion Cut Rubies, 12 Rose Cut Diamonds and Natural Pearls graduated in
Category

Late 19th Century Victorian Antique Ruby Locket

Materials

Ruby, Natural Pearl, Diamond, 18k Gold

Antique Ruby Diamond Gold Star Locket Pendant
Located in Miami, FL
This alluringly refined rare antique locket pendant from the turn of the century (Ca 1900) is
Category

Late 19th Century Unknown Victorian Antique Ruby Locket

Materials

Diamond, Ruby, 18k Gold, Yellow Gold

Victorian Ruby Pearl and Diamond Locket Pendant
Located in London, GB
Here we have a wonderfully oversized locket dating back to the Victorian era. This antique piece
Category

19th Century Victorian Antique Ruby Locket

Materials

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

Antique Ruby Diamond Gold Chimera Locket Pendant
Located in Poitiers, FR
Locket pendant in 18 carat yellow gold, eagle head hallmark. This particularly original pendant
Category

19th Century French Antique Ruby Locket

Materials

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

Antique Gold Locket Set with Rubies and Diamonds
Located in New York, NY
An antique gold locket inset with diamonds and calibre rubies, with two picture compartments, in
Category

Late 19th Century Antique Ruby Locket

Materials

Ruby, Diamond, 18k Gold

Victorian Raised Lion Ruby Freemason Gold Locket 13.4dwt
Located in Narberth, PA
An exquisite and collectable double sided locket from the Victorian (ca1880) era. This stunning
Category

Late 19th Century Victorian Antique Ruby Locket

Materials

Ruby, 14k Gold

Victorian 9ct Gold Ruby And Pearl Heart Locket
Located in Portland, England
This charming antique Victorian heart ruby and pearl locket is crafted in 9ct yellow Gold. The
Category

Late 19th Century Antique Ruby Locket

Materials

Pearl, Ruby, Gold

Victorian Era Ruby Diamond Yellow Gold Starburst Locket
Located in Los Angeles, CA
A fine example of a Victorian era pendant locket. Composed of 15 karat yellow gold. 18 Rose Cut
Category

Late 19th Century Unknown Victorian Antique Ruby Locket

Materials

Diamond, Ruby, 15k Gold

Victorian Ruby, Diamond, Pearl and Enamel Locket Pendant
Located in Carmel-by-the-Sea, CA
ruby, royal blue enamel and lustrous pearls. The bale is a charming three-dimensional golden bow and
Category

1880s Antique Ruby Locket

Materials

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

Victorian Ruby Pearl Locket 14 Karat Gold Pendant Necklace
Located in New York, NY
This is a rare and wonderful Victorian locket pendant with beautiful Ruby and Pearl adornments in
Category

19th Century Unknown Victorian Antique Ruby Locket

Materials

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

Art Nouveau Diamond Ruby 14 Karat Gold Locket Pendant
Located in Philadelphia, PA
Circular locket pendant designed depicting the profile of a woman wearing a headdress accented by
Category

Early 20th Century Unknown Art Nouveau Antique Ruby Locket

Materials

Diamond, Ruby, 14k Gold

Napoleon III Oval Enamel and Ruby Medallion Locket Pendant
Located in Poitiers, FR
in black enamel set with 2 round rubies. The medallion locket opens with a side hinge to reveal a
Category

19th Century French Napoleon III Antique Ruby Locket

Materials

Ruby, Gold, 18k Gold, Yellow Gold

Antique Russian Ruby and Peridot Yellow Gold Locket Circa 1915
Located in Jesmond, Newcastle Upon Tyne
ruby and peridot, each displaying fine color and brilliance. The locket is a very good gauge of gold
Category

1910s Russian Antique Ruby Locket

Materials

Peridot, Ruby, 14k Gold, Yellow Gold

1880s Antique Russian Ruby, Sapphire, and Diamond Rose Gold Locket
Located in Jesmond, Newcastle Upon Tyne
cut diamonds and an impressive ruby and sapphire. The locket is an exceptional gauge of gold and is in
Category

1880s Russian Antique Ruby Locket

Materials

Diamond, Ruby, Sapphire, Gold, 14k Gold, Rose Gold

Antique Victorian Ruby Emerald Diamond 14 Karat Gold Reversible Locket
Located in New York, NY
Rare double sided antique 14k yellow gold locket, circa 1880. One side of the locket is set with a
Category

1880s Unknown High Victorian Antique Ruby Locket

Materials

Diamond, Emerald, Ruby, Gold, 14k Gold

Antique Victorian 18K Yellow Gold Ruby Crucifix Engraved Rosary Locket
Located in Staines-Upon-Thames, GB
A Victorian ruby, and yellow gold locket, comprising a hinged oval locket with seven cushion shaped
Category

Late 19th Century British Victorian Antique Ruby Locket

Materials

Ruby, 18k Gold, Yellow Gold

Antique 1900s 14 Karat Yellow Gold Ruby Diamond Heart Locket
Located in New York, NY
Lovely antique slim heart shaped locket set with a cushion ruby surrounded by rosecut diamonds
Category

Early 1900s American Art Nouveau Antique Ruby Locket

Materials

Diamond, Ruby, 14k Gold, Yellow Gold

Victorian Rock Crystal and Gold Pendant Locket with Ruby Accents
Located in New York, NY
An antique carved rock crystal locket pendant with ruby details, in 18k gold. (Chain sold
Category

1870s Victorian Antique Ruby Locket

Materials

Rock Crystal, Ruby, Crystal, 18k Gold, Gold, Yellow Gold

Victorian Gold Filled Spider and Web Diamond Ruby Gold Locket
Located in Lexington, KY
This is a beautiful gold filled Victorian locket with a spider and web motif. The spider is made up
Category

Early 1900s American Late Victorian Antique Ruby Locket

Materials

Diamond, Ruby, Gold-filled

Antique 15ct Yellow Gold, Victorian Ruby Seed Pearl Oval Locket
Located in Brighton, GB
ruby and natural seed pearl crest, adding a touch of timeless sophistication. Opening the locket
Category

Late 19th Century English Victorian Antique Ruby Locket

Materials

Pearl, Ruby, 15k Gold, Yellow Gold

Antique 18ct Yellow Gold French, Edwardian Ruby, Diamond Seed Pearl Locket
Located in Brighton, GB
Antique Gold Locket 18ct Yellow Gold French Hallmarked Circa 1910 * THE GOLD CHAIN IS SOLD
Category

Early 20th Century French Edwardian Antique Ruby Locket

Materials

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

Edwardian Ruby Diamond Platinum-Topped 14 Karat Gold Locket Pendant
Located in Philadelphia, PA
Circular locket pendant features a dropped foliate design with a chevron band Accented by rose cut
Category

1910s Edwardian Antique Ruby Locket

Materials

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

Victorian 18 Karat Yellow Gold Ruby Diamond Claddagh Locket Ring
Located in Vilnius, Vilniaus apskr.
This is a stunning antique Claddagh locket ring crafted in 18K yellow gold. The piece features
Category

Late 19th Century Victorian Antique Ruby Locket

Materials

Diamond, Ruby, 18k Gold, Yellow Gold

Victorian Turquoise and Ruby and Yellow Gold Heart Padlock Locket Pendant
Located in Chipping Campden, GB
flower with turquoise petals and a ruby centre. On the other side of this pendant is a glazed locket
Category

1880s British Victorian Antique Ruby Locket

Materials

Ruby, Turquoise, Yellow Gold

Victorian Ruby Old Mine Cut Diamond Locket by Schwarz Steiner, Austria
Located in Los Angeles, CA
Victorian era Ruby & Diamond Slider Locket composed of 14k yellow gold. With 48 square calibré cut
Category

Early 1900s Austrian Victorian Antique Ruby Locket

Materials

Diamond, Ruby, 14k Gold, Yellow Gold

1900s Satin Gold Ruby and Fine pearl Medallion Locket Pendant
Located in Poitiers, FR
round and engraved at the front with a floral motif set with 2 fine half pearls and a small ruby. It
Category

Early 20th Century French Art Nouveau Antique Ruby Locket

Materials

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

Art Nouveau Ruby Diamond 14 Karat Yellow Gold Floral Locket Pendant
Located in Philadelphia, PA
set with round cut rubies and old European cut diamonds Purplish red rubies weigh in total
Category

Early 1900s Art Nouveau Antique Ruby Locket

Materials

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

Antique Russian Yellow Gold Ruby Lily of the Valley Locket Chain Necklace
Located in Beverly Hills, CA
10k yellow gold. The locket features eleven rubies accentuating the lily of the valley image: three
Category

1910s Russian Antique Ruby Locket

Materials

Ruby, 10k Gold, Yellow Gold

Antique Victorian 18K Gold Pearl, Diamond, Sapphire, Ruby Enamel Bird Locket
Located in Staines-Upon-Thames, GB
A Victorian pearl, diamond, sapphire, ruby, enamel, and yellow and rose gold locket pendant
Category

Late 19th Century French Victorian Antique Ruby Locket

Materials

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

Late Victorian Gold Locket Accented with Rubies and Diamonds
Located in New York, NY
An antique gold locket set with diamonds and zig-zagging rubies, in 18k.
Category

Late 19th Century Late Victorian Antique Ruby Locket

Materials

18k Gold

Edwardian Diamond Ruby Platinum 18 Karat Yellow Gold Mirror Locket Necklace
Located in Philadelphia, PA
motif Featuring two flush set oval ruby cabochons measuring 3.0 x 2.0 mm Semi-transparent and strongly
Category

1910s Edwardian Antique Ruby Locket

Materials

Diamond, White Diamond, Ruby, Gold, 18k Gold, Yellow Gold, 14k Gold, Pla...

Rare French Belle Époque Yellow Gold Old Mine Cut Ruby Heart Locket
Located in Cape May, NJ
Stunning and rare French 18k yellow gold locket featuring black enamel frame, openwork pierced back
Category

1870s French Belle Époque Antique Ruby Locket

Materials

Diamond, Rock Crystal, Ruby, 18k Gold

Antique Victorian Pendant Locket Pearl Ruby Star Small Charm 14k Rose Gold
Located in Torrance, CA
. Six seed pearls measure 1mm each, with an estimated 0.10 carat ruby set to the center. The small
Category

Late 19th Century Unknown Victorian Antique Ruby Locket

Materials

Pearl, Ruby, 14k Gold, Rose Gold

Art Nouveau 15ct Rose Gold, Enamel Diamond And Ruby Four Leaf Clover Locket
Located in NEW TOWN, AU
Designed as a symbolic four leaf Clover opening locket with a simple and easy to use ’slide to open
Category

1910s Unknown Art Nouveau Antique Ruby Locket

Materials

Diamond, Ruby, Rose Gold, Enamel

Art Nouveau Ruby Diamond Enamel 14 Karat Gold Antique Portrait Mirror Locket
Located in Philadelphia, PA
- exhibiting some loss. Featuring a raised gold floral motif with bezel set rubies - transparent medium
Category

Early 1900s Art Nouveau Antique Ruby Locket

Materials

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

Large Art Nouveau Pearl Ruby Diamond 18 Karat Two-Tone Ginkgo Mirror Locket Pend
Located in Philadelphia, PA
measuring approximately 4.0 x 5.0 mm Accented by rubies and diamonds weighing in total approximately 0.50
Category

Early 1900s Antique Ruby Locket

Materials

Diamond, Pearl, Ruby

Yellow Gold Gemstone Locket
Located in Coral Gables, FL
14 Karat Yellow Gold Antique Locket Pendant Featuring 9 Old European Cut Diamonds Totaling 0.45
Category

Early 20th Century Antique Ruby Locket

Materials

Diamond, Ruby, Blue Sapphire, 14k Gold, Yellow Gold

Victorian Hexagonal Locket with Gemstones
Located in Carmel-by-the-Sea, CA
Striking yellow gold Victorian locket, set with rose cut diamonds, a round ruby and two square
Category

Late 19th Century Victorian Antique Ruby Locket

Materials

Ruby, Emerald, Diamond, Yellow Gold

ART NOUVEAU Enchanting Cat Locket
Located in London, GB
An unusual double sided Cat Locket with compartments. Would look beautiful worn with silk or velvet
Category

Late 19th Century German Art Nouveau Antique Ruby Locket

Materials

Diamond, Ruby, Sterling Silver

Victorian Enamel Pearl Gold Locket Pendant
Located in Carmel-by-the-Sea, CA
green and periwinkle blue, with pearls and tinny cabochon rubies. A substantial bale, topped with a
Category

1870s Victorian Antique Ruby Locket

Materials

Pearl, Ruby, 18k Gold

Victorian Gold and Gem Set Locket
Located in London, GB
A Victorian gold and gem set locket, the oval locket set with opals, a ruby and an emerald in a
Category

1880s British Victorian Antique Ruby Locket

Materials

Diamond, Emerald, Pearl, Ruby, Gold

Antique Eagle Brooch Locket of 18k Gold
Located in Lewisburg, PA
This antique locket (circa 1880-1900) features an eagle of 18k gold, studded with rubies and
Category

Late 19th Century Antique Ruby Locket

Materials

Diamond, Ruby, 18k Gold

Magnificent Victorian Gem-Set Locket with Enamel
Located in Carmel-by-the-Sea, CA
Gorgeous Victorian locket, substantial size, with rich green emeralds and deep magenta rubies
Category

Late 19th Century Victorian Antique Ruby Locket

Materials

Emerald, Ruby, 18k Gold, Yellow Gold

Victorian 18ct Yellow Gold Locket, c.1880s
Located in London, GB
This charming Victorian heart locket features a delicate 0.02 carat cabochon ruby at its centre
Category

1880s British Victorian Antique Ruby Locket

Materials

Ruby, Turquoise, Yellow Gold, 18k Gold

Rare Victorian Holbeinesque Gem Set Enamel Gold Pendant Locket Necklace
Located in Miami, FL
This rare antique Victorian necklace with a highly ornate locket pendant is of European provenance
Category

Late 19th Century British Victorian Antique Ruby Locket

Materials

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

Antique Onyx Enamel 18 Karat Yellow Gold Dove Locket Pendant
Located in Boca Raton, FL
Antique black onyx and enamel oval locket features a gold crafted dove set with ruby eyes. The
Category

Late 19th Century Victorian Antique Ruby Locket

Materials

Onyx, 18k Gold, Yellow Gold, Enamel

Antique Victorian Russian Ruby Gold Horseshoe Pendant Gaspipe Necklace
Located in New York, NY
Original 14k gold gas pipe necklace suspending a locket with a ruby horseshoe made in Russia circa
Category

1860s Russian Victorian Antique Ruby Locket

Materials

Ruby, 14k Gold

Tiffany Co. 2.50 Carat Ruby Heart Locket Rose Gold Cocktail Ring
By Tiffany Co.
Located in Stamford, CT
Tiffany & Co heart shape fine Ruby locket 14k rose gold cocktail ring. The top opens to hold a
Category

Early 20th Century Antique Ruby Locket

Materials

Ruby, 14k Gold, Rose Gold, Gold

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Antique Ruby Locket For Sale on 1stDibs

Find the exact antique ruby locket you’re shopping for in the variety available on 1stDibs. Each design created in this style — which was crafted with great care and often made from Gold, 18k Gold and 14k Gold — can elevate any look. Making the right choice when shopping for an antique ruby locket may mean carefully reviewing examples of this item dating from different eras — you can find an early iteration of this piece from the 18th Century and a newer version made as recently as the 20th Century, both of which have proven very popular over the years. Creating an antique ruby locket has been a part of the legacy of many jewelers, but those produced by Tiffany Co. are consistently popular. A round cut version of this piece has appeal, but there are also old mine cut and cabochon versions for sale. Finding an antique ruby locket for sale for women should be easy, but there are 40 pieces available to browse for unisex as well as men, too.

How Much is a Antique Ruby Locket?

The price for an antique ruby locket starts at $495 and tops out at $58,100 with these necklaces, on average, selling for $3,200.

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.

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