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Natural Ruby Diamond Bracelet in 18k Gold
Located in jaipur, IN
stunning, designer-made Bracelet is crafted from 18-carat gold and features a ruby gemstone set with a halo
Category

2010s Indian Tennis Bracelets

Materials

Diamond, Ruby, 18k Gold

1915 Art Deco 1 Carat Diamond and Ruby Rooster Brooch Pin, Platinum
Located in Hicksville, NY
: Accent Ruby gemstone (eye of rooster) Made in 1915, Art Deco era Diamonds are entirely prong set There
Category

Vintage 1910s Unknown Art Deco Brooches

Materials

Ruby, Diamond, Platinum

Natural uncut Diamond Ruby oxidized Sterling silver tribal look necklace
Located in Delhi, DL
color- White with a tint of yellow Gemstone- Natural Ruby Gemstone origin- Burma Metal- Silver Metal
Category

2010s Indian Art Deco Choker Necklaces

Materials

Diamond, Ruby, Sterling Silver

Natural Ruby Art Deco Style Filigree Ring in Solid 9K White Gold
Located in Bangkok, TH
gemstones gracefully arranged at its centerpiece within a bead setting. Accompanying these rubies are
Category

21st Century and Contemporary Thai Art Deco Cocktail Rings

Materials

Diamond, Ruby, 9k Gold, White Gold

Diamond Ruby Floral Blossom 14 Karat Rose Gold Artisan Made Earrings
Located in Mount Kisco, NY
natural ruby gemstone encrusted stems. Handcraft, has slight imperfections. Measuring 3/4" wide by
Category

Late 20th Century English Artisan Drop Earrings

Materials

Diamond, Ruby, 14k Gold, Rose Gold

TJD 1.0 Carat Natural Ruby Round Diamond 14K White Gold Open Circle Pendant
By TJD
Located in New York, NY
experts in 14 karat white gold and embellished with 13 round diamond and 13 ruby gemstone set in prong
Category

2010s Indian Art Deco Pendant Necklaces

Materials

Diamond, Ruby, White Gold, 14k Gold

Royal Natural ruby emerald brilliant cut diamond 18K gold statement ring
Located in Delhi, DL
Gold Metal purity- 18K Metal color- Yellow gold Gemstone- Ruby Gemstone origin- Natural Gemstone
Category

2010s Indian Contemporary Cocktail Rings

Materials

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

3.88 ct Natural Burma Ruby Vivid Red, Oval Faceted Cut Loose Gemstone (Myanmar)
Located in Wembley, GB
jewellery designers. Sourced from Burma (Myanmar), the world’s most prestigious ruby origin, this gemstone
Category

Antique Early 1800s Burmese Primitive Antiquities

Materials

Multi-gemstone

Beauvince Fire Ruby Diamond Bangle in White Gold
By Beauvince Jewelry
Located in New York, NY
(Slightly Included - Included) Gemstones Type: Ruby Gemstones Shape: Round Gemstones Weight: 1.78 ct
Category

2010s Bangles

Materials

Diamond, Ruby, 14k Gold, White Gold

Natural Emerald, Ruby Diamond Ring in 18k Gold
Located in jaipur, IN
ruby gemstone set with a halo of sparkling diamonds. The warm glow of gold enhances the gemstone’s soft
Category

2010s Indian Fashion Rings

Materials

Diamond, Emerald, Ruby, 18k Gold

Emerald, Sapphire and Ruby with Diamond Brooch
Located in New York, NY
jewelry that features beautifully carved leaf designs in emerald, sapphire, and ruby gemstones. The brooch
Category

21st Century and Contemporary American Contemporary Brooches

Materials

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

Ruby 18 Karat Gold Daisy Flower Stud Earrings
By Meghna Jewels
Located in Hoffman Estate, IL
Material - 18K Yellow Gold Gemstone - Ruby Gemstone Weight - 2.20 carat Setting - Bezel setting
Category

21st Century and Contemporary Unknown Modern Stud Earrings

Materials

Ruby, Emerald, Blue Sapphire, Gold, 18k Gold

Natural 3.71cts Diamond 9.12cts Ruby Earring in 18k Gold
Located in jaipur, IN
stunning, designer-made Earring is crafted from 18-carat gold and features a ruby gemstone set with a
Category

2010s More Earrings

Materials

Diamond, Ruby, 18k Gold

Yellow Gold Ruby Clip-On Dangle Earrings
Located in Palm Desert, CA
chains of cascading ruby gemstones. These earrings also include an Omega clip-back design, enhancing both
Category

1990s American Contemporary Clip-on Earrings

Materials

Ruby, Yellow Gold

Ruby diamonds art deco jewellery set 18k white gold
Located in London, GB
set in 18k white gold. 0.90ct Ruby natural gemstone and diamond cluster stud and earrings in 18k white
Category

21st Century and Contemporary British Art Deco Pendant Necklaces

Materials

Diamond, Ruby, 18k Gold, White Gold

Natural 0.55cts Ruby 0.57cts Diamond Ring in 18k Gold
Located in jaipur, IN
stunning, designer-made ring is crafted from 18-carat white gold and features a RUBY gemstone set within a
Category

2010s Indian Fashion Rings

Materials

Diamond, Ruby, 18k Gold

Vintage Victorian Era Ruby Diamond Cluster Ring
Located in Montgomery, AL
Cut Natural Ruby Gemstone; Vibrant Red; Weight: 0.89 Carat 10 - 3.5mm Old Mine Cut Diamonds; HI Color
Category

Antique 19th Century Victorian Cluster Rings

Materials

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

Natural 6.48cts Ruby Diamond 1.07cts Earring in 18k Gold
Located in jaipur, IN
stunning, designer-made Earring is crafted from 18-carat gold and features an RUBY gemstone set with a halo
Category

2010s Indian Stud Earrings

Materials

Diamond, Ruby, 18k Gold

Vintage Black Pearl Emerald Diamond Ruby Bee Brooch
Located in Montgomery, AL
Ruby Gemstones; Estimated Combined Weight: 0.02 Carat 71 - 1.5mm Round Brilliant Cut Diamonds; GH Color
Category

20th Century Art Deco Brooches

Materials

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

Art Deco Old Mine Cut Ruby Cocktail Ring 18K Gold
Located in Montgomery, AL
Mine Cut Diamonds; Estimated Combined Diamond Weight: 0.75 Carat 32 - Square Table Cut Ruby Gemstones
Category

Early 20th Century Art Deco Cocktail Rings

Materials

Diamond, Ruby, Gold, 18k Gold, Rose Gold, White Gold

Wide Ruby Band w Diamonds and Genuine Rubies Wedding Anniversary Band Wide
By Five Star Jewelry
Located in Austin, TX
: G (excellent, near colorless) Diamond Shape: Round Brilliant Gemstone: Ruby Gemstone Weight: 3.06
Category

2010s American Contemporary Fashion Rings

Materials

Diamond, Ruby, 14k Gold, White Gold

Beauvince Directions Bracelet (4.38 ct Diamonds Rubies) in Yellow Gold
By Beauvince Jewelry
Located in New York, NY
or fancy. Gemstones Type: Ruby Gemstones Shape: Round Gemstones Weight: 1.10 ct Gemstones Color
Category

Late 20th Century Contemporary Link Bracelets

Materials

Diamond, Ruby, 14k Gold, Yellow Gold

TJD 0.44 Carat Nat Ruby and Round Diamond 14K White Gold Religious Cross Pendant
By TJD
Located in New York, NY
ruby gemstone set in prong setting. A high polish finish complete the Brilliant sophistication of this
Category

2010s Indian Art Deco Pendant Necklaces

Materials

Diamond, Ruby, White Gold, 14k Gold

Natural 0.52 Carats Diamond Ruby Earring in 18k Yellow Gold
Located in jaipur, IN
stunning, designer-made earring is crafted from 18-carat gold and features a ruby gemstone set with a
Category

2010s Chandelier Earrings

Materials

Diamond, Ruby, Gold, 14k Gold

Beauvince Flora Band (4.63 ct Rubies Diamonds) in Yellow Gold
By Beauvince Jewelry
Located in New York, NY
jewel for a collector. Gemstone Type: Ruby Gemstone Shape: Marquise Gemstone Weight: 3.28 Gemstone
Category

2010s Contemporary Fashion Rings

Materials

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

Minimalist Ruby Diamond Huggie Earrings in 18k Solid Rose Gold Gift For Her
By VR Jewels
Located in New York, NY
, luxurious look featuring baguette cut ruby. Ruby gemstone improves mental strength. Featuring 0.94 carats of
Category

21st Century and Contemporary American Modern Lever-Back Earrings

Materials

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

Natural 1.32cts Ruby Stud Earrings with 14k Gold
Located in jaipur, IN
stunning, designer-made Earring is crafted from 14-carat gold and features an ruby gemstone. The warm glow
Category

21st Century and Contemporary Indian Art Deco Stud Earrings

Materials

Ruby, 14k Gold

Natural 0.45cts Diamond 0.08cts Ruby Earrings in 14K Gold
Located in jaipur, IN
stunning, designer-made Earring is crafted from 14-carat gold and features a diamond and ruby gemstone. The
Category

21st Century and Contemporary Asian Contemporary Drop Earrings

Materials

Diamond, Ruby, 14k Gold

Silvorra 925 Silver Ruby Linear Pendant Modern Square Round Cut Christmas Gift
Located in New York, NY
This elegant pendant is crafted from 925 sterling silver and features 7 natural ruby gemstones in
Category

21st Century and Contemporary American Modern Pendant Necklaces

Materials

Ruby, Silver, Sterling Silver

Cartier Oval St Honore Limited Series Ruby 49mm 18k Plated Sunglasses France
By Cartier
Located in Baleares, Baleares
Cartier Oval St Honore Limited Series Sunglasses Adorned With Two Ruby Gemstones On Each Side. All
Category

1990s French Sunglasses

Natural 1.63cts Diamond Ruby 0.84cts Ring in 18k Gold
Located in jaipur, IN
stunning, designer-made ring is crafted from 18-carat gold and features a ruby gemstone set with a diamond
Category

21st Century and Contemporary Asian Fashion Rings

Materials

Diamond, Ruby

Ruby Diamond 18 Karat Gold Heart Stud Earrings
By Meghna Jewels
Located in Hoffman Estate, IL
Gold Gemstone - Ruby Gemstone Weight - .55 carat Diamond Weight - .55 carat Gemstone size - 5*3 mm
Category

21st Century and Contemporary Unknown Artisan Stud Earrings

Materials

Ruby, Diamond, Gold, 14k Gold

TJD 0.15 Carat Diamond and 7X5MM Oval Ruby 14 Karat White Gold Halo Pendant
By TJD
Located in New York, NY
pendant is crafted from 14-karat White gold and features Round Brilliant 44 white diamonds and 1 ruby
Category

2010s Indian Art Deco Pendant Necklaces

Materials

Diamond, Ruby, 14k Gold, White Gold

Pear Shaped Mozambique Ruby Cocktail Ring With Pave Diamonds in 14k White Gold
By Artisan NYC
Located in New York, NY
grams Diamond Details: Total Diamond Weight: 0.32 carats Mozambique Ruby: Gemstone: Natural Mozambique
Category

21st Century and Contemporary Indian Art Deco Cocktail Rings

Materials

Ruby, Diamond, 14k Gold, White Gold

Natural 0.85cts Ruby Ring in 18K Gold
Located in jaipur, IN
stunning designer-made round-shaped ring is made from 18-carat yellow gold and features a Ruby gemstone
Category

2010s Indian Band Rings

Materials

Ruby, 18k Gold

Natural 2.44cts Ruby Ring in 18k Gold
Located in jaipur, IN
stunning, designer-made pear-shaped ring is crafted from 18-carat gold and features a ruby gemstone. The
Category

2010s Indian Band Rings

Materials

Ruby, 18k Gold

TJD 0.15 Carat Diamond 5 MM Round Nat. Ruby 14K White Gold Heart Shape Pendant
By TJD
Located in New York, NY
White gold and features Round Brilliant 37 white diamonds and 1 ruby gemstone set in micro-prong and
Category

2010s Indian Pendant Necklaces

Materials

Diamond, Ruby, White Gold, 14k Gold

Vintage 14 Karat Necklace Pin Brooch Diamonds and Ruby circa 1900 s
Located in Brooklyn, NY
and or single cut approx 1.5 to 2.0 carat Natural nice red Ruby gemstones not sure the amount ct 14k
Category

Early 20th Century Brooches

Materials

Diamond, Ruby, 14k Gold, Yellow Gold

Natural 2.75cts Ruby 0.59cts Diamond Earring in 18k Gold
Located in jaipur, IN
stunning, designer-made, FLORAL-SHAPED earring is crafted from 18-carat gold and features a ruby gemstone
Category

2010s Indian Stud Earrings

Materials

Diamond, Ruby, 18k Gold

Beauvince Ruby Halo Cigar Band (4.28 ct Diamonds Rubies) in White Gold
By Beauvince Jewelry
Located in New York, NY
layout and deisgn. Gemstones Type: Ruby  Gemstones Shape: Rectangular  Gemstones Weight: 2.78 Gemstones
Category

2010s Contemporary Cocktail Rings

Materials

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

Natual 3.30cts Emerald, 1.88cts Ruby 1.00cts Diamond Ring in 18k Gold
Located in jaipur, IN
AND RUBY gemstone set within a halo of sparkling diamonds. The warm glow of gold enhances the
Category

2010s Indian Fashion Rings

Materials

Diamond, Emerald, Ruby, 18k Gold

Natural 0.74cts Ruby 0.52cts Diamond Ring in 18K Gold
Located in jaipur, IN
says royal more than this elegant ring made with a 0.74ct ruby gemstone and hugged by dazzling natural
Category

2010s Indian Band Rings

Materials

Diamond, Ruby, 18k Gold

14k Gold Natural Ruby Ring Thin Bar Stacking Ring
By Oshi Jewels
Located in Bangkok, TH
sparkly Ruby Gemstone. This will add a effortless positive sparkle to your finger when worn. This ring is
Category

21st Century and Contemporary Thai Modern Fashion Rings

Materials

Ruby, 14k Gold, Rose Gold, White Gold, Yellow Gold

14k Yellow Gold 1.6ctw Emerald Cut Ruby Halfway Ring Band
Located in Boca Raton, FL
Diamond Details: This ring features approximately 1.60 carats of Natural Emerald Cut Ruby Gemstones. The
Category

21st Century and Contemporary American Modern Band Rings

Materials

Ruby, Gold, 14k Gold, Yellow Gold

TJD 0.15 Carat Diamond and 8X6MM Oval Ruby 14 Karat Yellow Gold Halo Pendant
By TJD
Located in New York, NY
diamond and 1 ruby gemstone, prong set, H-I color I2 clarity and a high polish finish complete the
Category

2010s Indian Art Deco Pendant Necklaces

Materials

Diamond, Ruby, Yellow Gold, 14k Gold

18K Yellow Gold Classic 4X2 MM Mozambique Baguette Ruby Bar Huggies Earrings
By Vaibhav Dhadda
Located in Jaipur, Rajasthan
dainty hoops are delicately crafted, adorned with a sleek bar embellished with radiant ruby gemstones
Category

21st Century and Contemporary Indian Art Deco Hoop Earrings

Materials

Ruby, 18k Gold, Yellow Gold

3.5ct Red Ruby Ring in Solid 14k White Gold Pear Shape 10x7mm Solitaire Ring
Located in Columbus, OH
This solitaire ring features a 3.59 carat pear shape ruby gemstone with a tapered shank, all set in
Category

21st Century and Contemporary Modern Solitaire Rings

Materials

Ruby, Gold, 14k Gold, White Gold

Natural 8.58cts Ruby Stud Earrings in 18k Gold
Located in jaipur, IN
stunning, designer-made Earring is crafted from 18-carat gold and features a ruby gemstone set with a
Category

21st Century and Contemporary Indian Art Deco Stud Earrings

Materials

Ruby, 18k Gold

1.88 ct Ruby Diamond Ring
By Hakimi s Gem
Located in Chicago, IL
Elevate your style with this stunning ring featuring a vibrant red oval-shaped ruby gemstone
Category

2010s Cocktail Rings

Materials

18k Gold

Stackable Half Eternity Ruby Engagement Ring in 18K Yellow Gold with Diamonds
By VR Jewels
Located in New York, NY
round shape represents love which will continue and makes your promises stay forever. The ruby gemstone
Category

21st Century and Contemporary American Art Deco Band Rings

Materials

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

Nari Fine Jewels Handcrafted off Shape Ruby Bracelet Set in 18 Karat
Located in beverly hills, CA
Gross weight - 1.77 grams Gemstone - Ruby Gemstone cut - Rose cut Gemstone weight - 0.76 ct Gemstone
Category

2010s American Artisan Chain Bracelets

Materials

Ruby, 18k Gold, Yellow Gold

18K White Gold Ruby Cluster Wedding Diamond Ring
By VR Jewels
Located in New York, NY
anyone on your list. The ruby gemstone give your relationship energy and sensuality. Designed with
Category

21st Century and Contemporary American Artist Cocktail Rings

Materials

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

Stacking Ruby Diamond Band Ring in 18 Karat Solid White Gold For Women
By VR Jewels
Located in New York, NY
continue and makes your promises stay forever. Ruby gemstone improves mental strength. This is a perfect
Category

21st Century and Contemporary American Modern Band Rings

Materials

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

Evil Eye Necklace 14 Karat Gold Ruby Red Birthstone 0.50 Carat
Located in Brooklyn, NY
New, Very Elegant & Lovely Evil Eye Birthstone Necklace Solid 14k Yellow Gold with Natural Ruby
Category

2010s American Pendant Necklaces

Materials

Ruby, 14k Gold, Yellow Gold

Diamond sapphire green emerald and ruby brooch 18k white gold
Located in London, GB
, green Colombian emerald, blue sapphire and ruby gemstones all mounted in 18k white and yellow gold
Category

21st Century and Contemporary European Art Deco Brooches

Materials

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

LB Exclusive 14K White Gold 0.08 Ct Diamond and Ruby Necklace
By LB Exclusive
Located in Southampton, PA
White Gold pendant - which measures 0.75” long and 0.45” wide - you’ll find a breathtaking ruby gemstone
Category

21st Century and Contemporary More Necklaces

Materials

Diamond, White Gold

Ruby and Diamond Earring Dangles, 18 Karat Gold Ruby and Diamond July Earrings
By Five Star Jewelry
Located in Austin, TX
These genuine ruby and diamond earring dangles are stunning! With a pear shaped ruby gemstone set
Category

21st Century and Contemporary American Artisan Dangle Earrings

Materials

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

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Ruby Gemstone For Sale on 1stDibs

Find the exact ruby gemstone you’re shopping for in the variety available on 1stDibs. Every item for sale was constructed with extraordinary care, often using gold, 18k gold and yellow gold. Our collection of these items for sale includes 2845 vintage editions and 5923 modern creations to choose from as well. You’re likely to find the perfect ruby gemstone among the distinctive items we have available, which includes versions made as long ago as the 18th Century as well as those produced as recently as the 21st Century. Creating a ruby gemstone has been a part of the legacy of many jewelers, but those produced by Bochic, VR Jewels and Unbranded are consistently popular. See these pages for a round cut iteration of this accessory, while there are also oval cut cut and brilliant cut cut versions available here, too. When shopping for a ruby gemstone, you’ll find that there are less available pieces for unisex or men today than there are for women.

How Much is a Ruby Gemstone?

The price for a ruby gemstone starts at $1 and tops out at $6,500,000 with these rings, on average, selling for $3,007.

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.