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Ruby Jewelry

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Period: 1960s
Gemstone: Ruby
1962 Georges Braque Gold and Ruby "Leda" Ring
Located in Paris, FR
Express Shipping insured during the Lockdown Rare 18K gold and Ruby ring called Leda by Georges Braque (1882-1963), inventor of cubism. It is ...
Category

1960s French Modern Vintage Ruby Jewelry

Materials

Ruby, 18k Gold

Sapphire, Ruby, Emerald Yellow Gold Brooch
Located in Atlanta, GA
Item Details: Length: 2 inches Metal Type: 18 karat Yellow Gold Weight: 13.1 grams Center Diamond Details Shape: Round Brilliant Carat Weight: .05 carat, total weight Color: F C...
Category

1960s Unknown Retro Vintage Ruby Jewelry

Materials

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

Chopard Diamond and Hematite Earrings
Located in New York, NY
Impressive Chopard earrings Chopard "Casmir" collection, diamond and ruby earrings. Impressive Chopard diamond & hematite earrings with small hematite ball on top of a hour-glass de...
Category

1960s Swiss Artist Vintage Ruby Jewelry

Materials

Diamond, Hematite, Ruby, 18k Gold

Gold 18 Karat Brooch Witt White Diamonds, Blue Sapphire, Ruby and Turquoise
Located in Milano, Lombardia
White gold 18 kt brooch with white diamonds, blue sapphire, ruby and turquoise total weight of gold gr 16.50 total weight of diamonds ct 1.80 total weigh...
Category

1960s Italian Art Deco Vintage Ruby Jewelry

Materials

White Diamond, Ruby, Blue Sapphire, Turquoise, 18k Gold, Gold

Rubies and Diamonds Brooch Pendant, 18 Karat White Gold
Located in Bad Kissingen, DE
Description of the - 18 K white gold - Germany, around 1960 - On the reverse side punched "Möller 750" - Occupied with 10 brilliant-cut diamonds in a krapp setting of approx. 0.25 ct...
Category

1960s German Art Deco Vintage Ruby Jewelry

Materials

Diamond, Ruby, 18k Gold, White Gold

Tiffany & Co. Gold Whale Cufflinks
Located in Darnestown, MD
This is literally a whale of a set of Tiffany cufflinks. They measure 1 1/4" x 1". The fish are beautifully textured and three dimensional with ruby eyes. They have been professional...
Category

1960s American Modern Vintage Ruby Jewelry

Materials

Ruby, 14k Gold

Gold Leaves Brooch Tied with Bow
Located in Darnestown, MD
Airy brooch of two leaves tied with a bow and highlighted with a spine of rubies. The entire piece has a graceful arch to it. It can be worn vertically, horizontally or on the diagon...
Category

1960s French Vintage Ruby Jewelry

Materials

Ruby, 18k Gold

Ruby Diamond Gold Ballerina Ring
Located in Sarasota, FL
Beautiful 1960's "Ballerina" ring with vivid red natural ruby weighing 1.09 carats and approximately 1.15 carats of round brilliant and tapered baguette diamonds.
Category

1960s Vintage Ruby Jewelry

Materials

Diamond, Ruby, 18k Gold

Carved Ruby Emerald and Diamond Cuff Bracelet
Located in New York, NY
An impressive bracelet with carved rubies, emeralds and diamonds, mounted on 18kt yellow gold. Circa 1960s.
Category

1960s Vintage Ruby Jewelry

Materials

Diamond, Emerald, Ruby, 18k Gold

Ruby and Diamond Flower Earrings
Located in New York, NY
Large and striking 18k Ruby and Diamond Flower Earrings, of rose cut pear shaped ruby petals with round diamond accents. Elaborate...
Category

1960s Italian Vintage Ruby Jewelry

Materials

Diamond, Ruby, 18k Gold

Vintage Ruby and Diamond Bow Brooch, circa 1960
Located in London, GB
Vintage ruby and diamond bow brooch. Centrally set with twelve rectangular baguette cut diamonds in open back channel settings with a combi...
Category

1960s Vintage Ruby Jewelry

Materials

Diamond, Ruby, Yellow Gold, Platinum

18 kt White Gold Diamonds Rubies Fashion Ring
Located in Marcianise, Marcianise (CE)
SHIPPING POLICY: No additional costs will be added to this order. Shipping costs will be totally covered by the seller (customs duties included). PS: THIS POLICY IS NOT APPLICABLE ...
Category

1960s Italian Retro Vintage Ruby Jewelry

Materials

White Diamond, Ruby, 18k Gold, White Gold

Van Cleef & Arpels Emerald Ruby Diamond Gold Ear Clips
Located in New York, NY
A sophisticated and colorful pair of pear shaped ear clips by Van Cleef & Arpels, with fine brilliant diamonds, embellished by cabochon rubies and emeralds. Made in France, circa 1...
Category

1960s French Vintage Ruby Jewelry

Materials

Emerald, Ruby, White Diamond, 18k Gold

Oval Shape Red Ruby 0.82 Baguette Cut Diamonds 0.42 Ring, circa 1960
Located in Valenza, IT
Ring in 18kt yellow and white gold with oval shape red ruby weight carat 0.82 and baguette cut white diamonds total weight carat 0.42 Ring easy to wear every day on the ring finger or the pinky...
Category

1960s Italian Modern Vintage Ruby Jewelry

Materials

Diamond, Ruby, 18k Gold

Elegant Ruby and Diamond Earrings
Located in Riverdale, NY
Large and striking 18k Ruby and Diamond Flower Earrings, of rose cut pear shaped ruby petals with round diamond accents. Elaborately twisted and interlaced ribbed 18k gold settin...
Category

1960s Italian Vintage Ruby Jewelry

Materials

Diamond, Ruby, 18k Gold

Circular Diamond Ruby White Gold Cocktail Ring
Located in Marcianise, Marcianise (CE)
SHIPPING POLICY: No additional costs will be added to this order. Shipping costs will be totally covered by the seller (customs duties included). PS: THIS POLICY IS NOT APPLICABLE ...
Category

1960s Italian Retro Vintage Ruby Jewelry

Materials

White Diamond, Ruby, 14k Gold

Oval Shape Natural Ruby 3.37 with Round Diamonds 0.50 Ring, circa 1960
Located in Valenza, IT
Oval shape ring in 18kt white and yellow gold with a very nice oval ruby weight carat 3.37 and a motif of round white diamonds total weight carat 0.50. Produced in Italy circa 1960. ...
Category

1960s Italian Modern Vintage Ruby Jewelry

Materials

Diamond, Ruby, 18k Gold

1960s Van Cleef & Arpels Paris Diamond Ruby Gold Cous-Cous Bracelet
Located in New York, NY
Of flexible tubular design, composed of a clustered band of polished spherical beads to a central pavé-set circular-cut ruby panel with diagonal brilliant-cut diamond line highlights...
Category

1960s French Vintage Ruby Jewelry

Materials

Ruby, White Diamond, 18k Gold

Oval Shape Ruby 1.38 and Round Diamonds 0.38 Italian Ring, circa 1960
Located in Valenza, IT
Ring in 18kt white gold with a very nice red color ruby, oval shape, weight carats 1.38 . The ring has round diamonds on the shank for a total carat weight of 0.38 A ring that shoul...
Category

1960s Italian Modern Vintage Ruby Jewelry

Materials

Diamond, Ruby, 18k Gold

Oval Shape Ruby 1.93 and Baguette Cut Diamonds 0.82 Ring, circa 1960
Located in Valenza, IT
Ring in 18kt yellow and white gold with very nice natural oval shape ruby weight carat 1.93 and baguette cut diamonds total weight 0.82 carat A classical style to wear. Circa 1960. R...
Category

1960s Italian Modern Vintage Ruby Jewelry

Materials

Diamond, Ruby, 18k Gold

Horse Brooch
Located in New York, NY
Pair of playful 18K gold frolicking horses with brilliant ruby eyes. Well detailed and proportioned.
Category

1960s Italian Vintage Ruby Jewelry

Materials

Ruby, 18k Gold

Horse Brooch
Horse Brooch
Free Shipping
Brooch 14k Gold Peacock Bird Antique Ruby and Diamond 1960
Located in Berkeley, CA
Long, luxurious and vintage, this ruby, diamond, and gold brooch pin has diamond eyes and ruby feathers. Sparkles galore with woven feathers incredible detail work. In the trend of ...
Category

1960s American Romantic Vintage Ruby Jewelry

Materials

Diamond, Ruby, 14k Gold, Yellow Gold

Cellino Leaping Ruby Diamond Gold Fish Brooch
Located in New York, NY
Graceful and well-detailed leaping fish brooch. Made and signed by CELLINO. 18K yellow gold textured body; bright cabochon ruby eye; with a diamond-set fish tail. 1 1/2" x 1 1/2....
Category

1960s Italian Vintage Ruby Jewelry

Materials

Diamond, Ruby, 18k Gold

1960s Ruby Diamond Gold Floral Brooch
Located in New York, NY
Finely crafted floral brooch in 18kt white gold with cabochon rubies (30 cts total) and diamonds (10 cts total), circa 1960s.
Category

1960s Italian Vintage Ruby Jewelry

Materials

White Diamond, Ruby, 18k Gold

4 Strand Faceted Ruby Bead Necklace with Original Stringing
Located in New York, NY
Graduated 4 Strand Faceted Ruby Necklace with original Stringing. Can be modernized - but oh how lovely to cross over & be a modern Auntie Mame without hav...
Category

1960s Indian Vintage Ruby Jewelry

Materials

Ruby

Gemset Gold Fish Brooch by Cellino
Located in New York, NY
Figural leaping fish brooch. Signed by Cellino. Very realistic. Shining and iridescent 18K gold finish. Cabochon ruby eye; faceted diamond set in tail. 1-1/3" x 1-13." Alice Kwart...
Category

1960s Italian Vintage Ruby Jewelry

Materials

Diamond, Ruby, 18k Gold

Faraone Gold and Ruby Hoop Earrings
Located in Darnestown, MD
Gold circles are suspended from ruby ovals in these unusual earrings by Faraone. Very nicely three dimensional. Measure 1 1/4" long and 15/16" wide.
Category

1960s Italian Vintage Ruby Jewelry

Materials

Ruby, 18k Gold

Oscar Heyman Brothers Natural Unenhanced Ruby and Diamond Ring
Located in London, GB
Ruby and diamond ring by Oscar Heyman Brothers. Set slightly raised to centre with a natural unenhanced oval old cut ruby in an open back claw setting with an approximate weight of 1...
Category

1960s American Vintage Ruby Jewelry

Materials

Diamond, Ruby, Platinum

1960s Ruby Diamond Gold Bee Pin
Located in Berkeley, CA
Diamond encrusted Bee with captivating ruby eyes sits on your jacket lapel or on a stunning dress. There is a safety lock so you never have to worry about your bee flying off....
Category

1960s American Modern Vintage Ruby Jewelry

Materials

Diamond, Ruby, 18k Gold

French Ruby Sapphire Diamond Gold Floral Clip
Located in New York, NY
Very elegant 18kt textured Leaf Clip with excellent Ruby, Sapphire & Diamond -fully cut stones. Hearkens thoughts of Spring & Fall. The texture of the leaves is alternately matte...
Category

1960s French Modern Vintage Ruby Jewelry

Materials

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

Carved Emerald Gemstone Gold Foliate Ear Clips
Located in New York, NY
A pair of ear clips of foliate design, the main body consisting of two carved emerald leaves, highlighted by cabochon rubies, cabochon sapphires and diamonds, on an 18kt yellow gold ...
Category

1960s Vintage Ruby Jewelry

Materials

Blue Sapphire, Emerald, Ruby, 18k Gold

Ruby Diamond Gold Ring
Located in Sarasota, FL
18K Ruby Ring, 1 Deep Red, Very clean Thai Ruby Weighing 1.25 Carats and 42 Diamonds Weighing 2.15 Carats.
Category

1960s Vintage Ruby Jewelry

Materials

Diamond, Ruby, 18k Gold

1960 Pearl Ruby Gold Cufflinks
Located in New York, NY
A pair of chic elongated pearls and ruby cufflinks, the chain in 18kt yellow gold. Circa 1960.
Category

1960s Italian Vintage Ruby Jewelry

Materials

Pearl, Ruby, 18k Gold

Unusual 18kt Yellow Gold & Ruby Pin
Located in New York, NY
Handmade assymetrical spiral Pin made of 18kt Yellow Gold. Petal like shapes pierced and chased with soft brush-like texture, and set with a faceted Ruby at each juncture. Raised o...
Category

1960s Italian Vintage Ruby Jewelry

Materials

Ruby, 18k Gold

Marchak Natural Unenhanced Star Ruby Carved Emerald and Diamond Ring
Located in London, GB
Star ruby carved emerald and diamond ring. Set with a natural unenhanced oval cabochon star ruby displaying strong asterism with an app...
Category

1960s French Vintage Ruby Jewelry

Materials

Diamond, Emerald, Ruby, White Gold, Yellow Gold

Unusual Mechanical Jewelled Gold Clown Dress Clip
Located in Riverdale, NY
This unusual clown or Japanese mask dress clip has a jointed mouth which allows the ominous sapphire teeth to open and close. Beautifully rendered in both matte and shiny 18K gold. T...
Category

1960s Italian Vintage Ruby Jewelry

Materials

Diamond, Ruby, Sapphire, 18k Gold

Mid Century Ruby Starburst Brooch/Pendant
Located in New York, NY
Mid Century Ruby Starburst Brooch/Pendant from the 1960's set in 14k gold. Knife edge gold wire set in a pyramid shape with genuine rubies scattered a...
Category

1960s American Artisan Vintage Ruby Jewelry

Materials

Ruby, 14k Gold

Vintage Pearl Ruby Yellow Gold Motif Ring
Located in Beverly Hills, CA
Center Stone: 9 Pearls Size: 6.5mm x 4.5mm average Accent Stone: 3 rubies Cut: Round Weight: 0.10 carats approximately Metal: 14k yellow gold Circa: 1960s Hallmarks: Purity marks ...
Category

1960s Vintage Ruby Jewelry

Materials

Pearl, Ruby, Gold, 14k Gold, Yellow Gold

1960's Citrine, Ruby, and Gold Ballerina Dancer Brooch
Located in New York, NY
Lovely and sweet leaping ballerina design featuring oval citrines and round rubies in 14K gold. The poetry of motion captured by the dancer's dress and raised arms in this brooch wil...
Category

1960s Retro Vintage Ruby Jewelry

Materials

Ruby, Citrine, Gold, 14k Gold

Boucheron Feather Brooch with Emeralds, Rubies, Sapphires and Diamonds
Located in Bethesda, MD
Boucheron's distinctive style often draws inspiration from nature, art, and travel, incorporating motifs such as animals, flowers, and mythical creatures into its designs. The brand ...
Category

1960s French Vintage Ruby Jewelry

Materials

Diamond, Emerald, Ruby, Sapphire, 18k Gold

Yellow Gold, Diamond, Sapphire, Ruby & Emerald Pair of Vintage Bracelets c 1960s
Located in Aspen, CO
A pair of open mesh, flexible bracelets, (one slightly larger than the other) gem set at their clasps, circa 1960. Probably made in America, these matching unusual bracelets...
Category

1960s North American Contemporary Vintage Ruby Jewelry

Materials

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

Mid-Century Diamond Ruby 18k Yellow Gold Cocktail Ring
Located in Beverly Hills, CA
One Mid-Century Diamond Ruby 18k Yellow Gold Cocktail Ring. Featuring one round brilliant cut diamond weighing approximately 0.15 carat, graded J color, I1 clarity. Accented by seven...
Category

1960s Vintage Ruby Jewelry

Materials

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

Vintage Frascarolo Italian Enamel Diamond Ruby and Gold Zebra Ring, Circa 1967
Located in London, GB
A vintage Frascarolo & C., Italian, enamel ruby and gold zebra ring, designed as a three dimensional zebra head and tail, with black and white enamel depicting the zebra stripes, rou...
Category

1960s Italian Retro Vintage Ruby Jewelry

Materials

Diamond, Ruby, Gold, Enamel

Faraone Rubies Brooch 60's
Located in Milano, MI
As we would expect from Faraone this brooch boasts the highest quality rubies and diamonds together with an elaborate design typical of the goldsmiths from the era. A real gem that c...
Category

1960s Italian Vintage Ruby Jewelry

Materials

Diamond, Ruby, 18k Gold, Yellow Gold

Arrigo & Olga Finzi 1960 Milan Necklace Earrings Set in 18k Gold with Gemstones
Located in Miami, FL
Necklace and earring parure designed by Olga Finzi for Arrigo Finzi Arte. An exceptional jewelry pieces of Italian goldsmith art, created in Milano Italy d...
Category

1960s Italian Post-War Vintage Ruby Jewelry

Materials

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

Rubies, Diamonds, Rose Gold and Silver Earrings
Located in Marcianise, Marcianise (CE)
SHIPPING POLICY: No additional costs will be added to this order. Shipping costs will be totally covered by the seller (customs duties included). PS: THIS POLICY IS NOT APPLICABLE ...
Category

1960s Italian Retro Vintage Ruby Jewelry

Materials

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

Yellow Gold, White Gold, Ruby and Diamond Brooch
Located in New York, NY
An 18 karat yellow and white gold, lab grown ruby and diamond brooch, attributed to Marc Koven. The brooch in the shape of an X formed of intertwining rope...
Category

1960s American Vintage Ruby Jewelry

Materials

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

Exceptional Bulgari Burma No Heat Ruby and Diamond Ring Ballerina 1960`s
Located in Milano, IT
Exceptional Bulgari Burmese ruby and diamond 'Ballerina' ring. An important piece, set to centre with a Oval shape old cut natural unenhanced Burmese ruby, with an approximate weight...
Category

1960s Italian Vintage Ruby Jewelry

Materials

Ruby, Diamond, Platinum, 18k Gold

Stones, Pearls, Emeralds, Rubies, Sapphires, Rose Gold and Silver Necklace
Located in Marcianise, Marcianise (CE)
SHIPPING POLICY: No additional costs will be added to this order. Shipping costs will be totally covered by the seller (customs duties included). PS: THIS POLICY IS NOT APPLICABLE ...
Category

1960s Italian Retro Vintage Ruby Jewelry

Materials

Emerald, Pearl, Ruby, Sapphire, 9k Gold, Rose Gold, Silver

Emerald, Ruby, Sapphire, Diamonds, 18 Karat White Gold Ring
Located in Marcianise, Marcianise (CE)
SHIPPING POLICY: No additional costs will be added to this order. Shipping costs will be totally covered by the seller (customs duties included). PS: THIS POLICY IS NOT APPLICABLE ...
Category

1960s Italian Retro Vintage Ruby Jewelry

Materials

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

GIA Burma Ruby Diamond Platinum Engagement Ring
Located in Miami, FL
This exquisite ruby ring is versatile, can be an engagement ring and/or a classic gemstone "right-hand" ring. Adorning the center is a GIA-certified Oval Shaped Red Burma Ruby with ...
Category

1960s American Retro Vintage Ruby Jewelry

Materials

Diamond, Ruby, Platinum

Diamonds and Rubies, 18kt White/Yellow Gold Flower/Star Design Clip-On Earrings
Located in Marcianise, Marcianise (CE)
SHIPPING POLICY: No additional costs will be added to this order. Shipping costs will be totally covered by the seller (customs duties included). PS: THIS POLICY IS NOT APPLICABLE ...
Category

1960s Retro Vintage Ruby Jewelry

Materials

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

Eastern Star Ring Vintage Estate Jeweled Diamond Floral Eastern Star Ring
Located in Austin, TX
The Eastern Star symbolizes a social order or group of those with shared spiritual values. The Eastern Star organization believes in lessons portrayed in ...
Category

1960s American Artisan Vintage Ruby Jewelry

Materials

Citrine, Diamond, Emerald, Ruby, Blue Sapphire, Yellow Gold

Kutchinsky 2.10 Carat Diamond and Ruby Floral Brooch, circa 1965
Located in London, GB
This gorgeous diamond & ruby brooch was hallmarked in the year 1965 and was created by the designer, Kutchinsky. The flowing gold design is accented by the elongated marquise cut rub...
Category

1960s Unknown Vintage Ruby Jewelry

Materials

Diamond, Ruby, 18k Gold

Gold Greek Collar 18K and Sapphires Necklace Articulate Links
Located in Berkeley, CA
This Grecian 18K yellow gold and 1.1 carat blue sapphire chain link necklace elegantly lays around the neck in a perfect fashion. Round like a tiara the curved links rest and have mo...
Category

1960s Greek Art Deco Vintage Ruby Jewelry

Materials

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

Rare Hans Hansen Sapphire Ruby Diamond and Gold Bracelet circa 1965
Located in New York, NY
A rare, vintage, cabochon sapphire, ruby, diamond, and 18 karat gold bracelet, by Hans Hansen, c. 1965. A collectors bracelet, a gem set design from the iconic Danish silvermsithy Hans Hansen. Begun by his father Hans Hansen, the company started making jewelry in 1932 under Karl Gustav Hansen. Between 1936-1938 Karl Gustav studied at the Academy of Fine Arts' sculpture school and took over the firm at the age of twenty five. He designed the first line of jewelry, called ‘Future’ featuring brooches, earrings, and rings, which sold very successfully. Hansen also employed other Danish modernist designers, who were to become famous in their own right, cementing the firm’s place among mid-century Scandinavian silver and jewelry producers. Bent Gabrielsen Pedersen worked there between 1953 and 1969 and was artistic director from 1962 until he left the company in 1969. Gabrielsen won the prestigious Lunning prize and a gold medal for design at the Milan Triennial while at Hans Hansen. In 1991 the company merged with Georg Jensen. Generally, Hansen made jewelry in silver and adopted the functionalist and Art Deco styles as inspirations. This bracelet, however, is a one-of-a-kind jewel, with the cabochon gemstones cupped...
Category

1960s Danish Modernist Vintage Ruby Jewelry

Materials

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

Multi-Gemstone Brooch Pendant Necklace
Located in New York, NY
Finley crafted in 18k yellow gold with a center Cabochon Ruby weighing approximately 28.00 carats, additional 35 Cabochon Rubies weighing approximately a total of 31.50 carats, 21 Ca...
Category

1960s French Vintage Ruby Jewelry

Materials

Diamond, Emerald, Ruby, Sapphire, 18k Gold

Intense Central Ruby, Diamonds, Emeralds, Blue Sapphires White Gold Cluster Ring
Located in Marcianise, Marcianise (CE)
SHIPPING POLICY: No additional costs will be added to this order. Shipping costs will be totally covered by the seller (customs duties included). PS: THIS POLICY IS NOT APPLICABLE ...
Category

1960s Italian Retro Vintage Ruby Jewelry

Materials

Blue Sapphire, Sapphire, Ruby, Emerald, Diamond, White Gold, 14k Gold

Vintage and Antique Ruby Jewelry for Sale on 1stDibs

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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