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Ruby Jewelry

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Period: 21st Century and Contemporary
Gemstone: Ruby
13.33 Carat Burma Ruby & Diamond Earring
Located in New York, NY
13.32 carats oval & pear-shape Burma Ruby with 250 round diamonds, totaling a diamond weight of 4.00 carats. This stunning Ruby & Diamond Earring will highlight your uniqueness and...
Category

2010s American Ruby Jewelry

Materials

Diamond, Ruby, 18k Gold

Strength Ancient Gold Necklace with Ruby
Located in Nea Aghialos Magnesias, GR
100% recycled 14K Yellow Gold, plated with 22K Gold Ruby Necklace of faceted Black Spinel beads, 40 cm length, and 14K gold clasp Ancient Gold Jewelry...
Category

2010s European Artist Ruby Jewelry

Materials

Ruby, Gold

GIA Certified 1.10 Carat Natural Unheated Ruby Ring Set with Diamonds
Located in Laguna Niguel, CA
It comes with the GIA Certificate Condition: Excellent Natural Unheated Ruby = 1.10 Carat (Cut: Oval, Color: Red) Diamonds = 0.45 Carats (Color: F-G, Clarity: VVS-VS) Metal: 14K Rose...
Category

2010s Contemporary Ruby Jewelry

Materials

Ruby, White Diamond, Diamond, Rose Gold, 14k Gold, Gold

1981 Classic Collection Ring: 0.22ct Diamonds and 0.36ct Rubies in 14K Rose Gold
Located in New York, NY
Gemstone Total Carat Weight: This exquisite 1981 Classic Collection ring features a total carat weight of 0.22 carats for 5 round diamonds and 0.36 carats for 6 round rubies, creatin...
Category

21st Century and Contemporary Hong Kong Modern Ruby Jewelry

Materials

Diamond, Ruby, 14k Gold, Rose Gold

Ruby Diamond Ring 0207
Located in New York, NY
Explore the captivating allure of nature's beauty with our exquisite flower-shaped diamond ring. Crafted with meticulous precision in 18K White Gold, this stunning piece showcases a ...
Category

21st Century and Contemporary Indian Contemporary Ruby Jewelry

Materials

Diamond, Ruby, 18k Gold, White Gold

IGI Certified 2.91 Carat Ruby & Diamond Ring in 18K White Gold
Located in KOWLOON, HK
At the center of this captivating ring lies a breathtaking 2.91 carat deep red Natural ruby, skillfully cut into an elegant oval shape. The deep red color of this ruby evokes a sense...
Category

2010s Hong Kong Modern Ruby Jewelry

Materials

Diamond, Ruby, 18k Gold, White Gold

0.63CT Total Weight Ruby and Diamonds setn in 18K White Gold
Located in New York, NY
The stunning 18K white gold bandicent 0.33CT ruby at its center, elegantly encircled by 0.30CT of sparkling diamonds. boasts a magnif
Category

21st Century and Contemporary American Aesthetic Movement Ruby Jewelry

Materials

Diamond, Ruby, 18k Gold, White Gold

Andreoli Ruby Black Diamond 18 Karat Rose Gold Snake Bracelet
Located in New York, NY
Andreoli Ruby Black Diamond 18 Karat Rose Gold Snake Bracelet This bracelet features: - 0.34 Carat Ruby "Eye" - 5.54 Carat Black Diamond - 64.64 Gram 18...
Category

2010s Italian Contemporary Ruby Jewelry

Materials

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

GII Certified Yellow Gold Diamond & Ruby Ring
Located in London, GB
A beautiful 18k yellow gold diamond and natural ruby cluster ring. The ring is set to the centre with an oval ruby in a rubover setting weighing 5.03ct. Accentuating the central ston...
Category

21st Century and Contemporary British Ruby Jewelry

Materials

Diamond, Ruby, 18k Gold, Yellow Gold

Luxurious 14K Ruby Cocktail Ring - 5.61ctw Gemstones - Size 6.75 Vintage Ring
Located in Holtsville, NY
Elevate your style with the exquisite allure of our Blooms of Passion Ruby Elegance Ring from Jeweltique. This radiant piece is not just a ring; it's a manifestation of passionate bl...
Category

2010s Indian Ruby Jewelry

Materials

Ruby, 14k Gold, Yellow Gold

Ruby and White Diamond Cocktail Ring in Platinum
Located in Los Angeles, CA
Beautiful 2.23 ct. ruby oval with 0.41 ct. good quality white diamond baguettes and rounds. Handmade in platinum. Ring size 5.25.
Category

21st Century and Contemporary Ruby Jewelry

Materials

White Diamond, Ruby, Platinum

18K Gold Unheated Burma Ruby & Sapphire & Sapphire Earrings with Diamonds
Located in Hong Kong, HK
18K Gold Burma Ruby & Sapphire & Sapphire Earrings with Diamonds Main Stone Unheated Burma Sapphires - 11. 57 CT Unheated Burma Rubies & Sapphires & Emeralds - Total 15.345 CT Diamo...
Category

21st Century and Contemporary Hong Kong Modern Ruby Jewelry

Materials

Diamond, Ruby, Sapphire, 18k Gold

2.85 Carat No Heat Ruby & Diamond Earring
Located in New York, NY
2.85 carats Oval Ruby (No heat) with two half-moon shaped diamond on both sides, totaling a diamond weight of 0.44 carat. This stunning Ruby & Diamond Ring will highlight your eleg...
Category

2010s American Ruby Jewelry

Materials

Diamond, Ruby, Platinum

Eartops of Rubies and diamonds in gold
Located in New Delhi, DL
10 Mozambique rubies set with diamonds delicately crafted in yellow gold. 10 Rubies 7.32 carats 6 Diamond marquise 0.91 carats 18 karat gold 6.22 grams
Category

21st Century and Contemporary Indian Modern Ruby Jewelry

Materials

Diamond, Ruby, Gold, 18k Gold

White gold teardrop pendant set with pear shape natural ruby and diamonds
Located in MELBOURNE, VIC
Classic pendant in 18 carat white gold Set with one pear shape natural Ruby weighing 0.68 carats surrounded by 15 channel set Diamons totally weighing 0.18 carats Pendant length inc...
Category

Early 2000s Unknown Modern Ruby Jewelry

Materials

Diamond, Ruby, 18k Gold, White Gold

18 Karat White Gold Ruby and Diamond Alternating Inline Bracelet
Located in Scottsdale, AZ
Designer: custom Material: 18K white gold Diamond: 42 round brilliant cut = 0.67cttw Color: I Clarity: SI2 Ruby: 21 oval cut = 12.80cttw Weight: 14.40 grams Dimensions: bracelet wil...
Category

21st Century and Contemporary Ruby Jewelry

Materials

Diamond, Ruby, 18k Gold, White Gold

3.25 Carat Oval Ruby & Round Diamond Band in 14KT Gold
Located in New York, NY
• Crafted in 14KT gold, this band is made with 5 oval cut red rubies which are framed by a delicate halo comprised of round brilliant cut diamonds. The band has a combining total wei...
Category

2010s American Contemporary Ruby Jewelry

Materials

Diamond, Ruby, Gold, 14k Gold

Vintage Natural Cameo Ruby And Diamond Dangle Earrings 18K Gold
Located in Laguna Niguel, CA
It comes with the appraisal by GIA GG/AJP All Gemstones are Natural Cameo = 90 Carats Ruby = 0.50 Carats Diamonds = 2.84 Carats Cut: Mixed Cut Earrings Dimensions: 88 x 42 mm Metal: ...
Category

21st Century and Contemporary Victorian Ruby Jewelry

Materials

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

11.75ct Oval Ruby & Round Diamond Bangle in 14KT Gold
Located in New York, NY
• A truly exquisite assortment of 15 oval cut deep red rubies is framed by delicate halos made of round brilliant cut diamonds in this beautiful bangle. The stones are set in 14KT wh...
Category

2010s American Contemporary Ruby Jewelry

Materials

Diamond, Ruby, 14k Gold

Stud Diamond Ruby 18 Karat White Gold Earrings
Located in Geneva, CH
Introducing our exquisite Stud Earrings, crafted with exceptional precision and elegance. These stunning earrings are made of 18K white gold, radiating a contemporary and sophisticat...
Category

21st Century and Contemporary Modern Ruby Jewelry

Materials

Diamond, Ruby, White Gold

14K Rubellite & Diamond Drop Pendant Necklace - Exquisite Gemstone Statement
Located in Holtsville, NY
Evoke the fiery passion of nature's blooms with our exquisite Blooms of Passion Ruby Lite and Diamond Necklace. This radiant masterpiece from Jeweltique's Ruby Lite collection is a t...
Category

2010s Indian Ruby Jewelry

Materials

Diamond, Ruby, 14k Gold, Yellow Gold

Gorgeous 14K Ruby & Diamond Cluster Cocktail Ring - 2.56ct Gemstones - Size 8
Located in Holtsville, NY
Indulge in the allure of nature's passionate blooms with our Blooms of Passion Ruby and Diamond Oval Ring from Jeweltique. This exquisite piece is a testament to the meticulous craft...
Category

2010s Indian Ruby Jewelry

Materials

Diamond, Ruby, 14k Gold, Yellow Gold

Ruby Oval and White Diamond Band Ring in 18K White Gold
Located in Los Angeles, CA
Beautiful 5.50 ct. ruby oval with 1.85 ct. good quality white diamond rounds. Handmade in 18k white gold. Ring size 5.75.
Category

21st Century and Contemporary Ruby Jewelry

Materials

White Diamond, Ruby, White Gold

White gold pave ring with diamonds and ruby
Located in AMSTELVEEN, NH
Diamonds Weight: 0.50 carat Cut: Brilliant cut Colour: F-G Clarity: SI-P Quality: Very good Gemstone: Ruby Cut: Round cut Colour: Red Weight: 1.50 carats Jewel: Ring Weigh...
Category

21st Century and Contemporary Contemporary Ruby Jewelry

Materials

Diamond, Ruby, Gold, White Gold

Graceful 18 Karat White Gold Ruby and Diamond Earrings - Pear Shape
Located in Great Neck Plaza, NY
Embrace the enchanting beauty of these graceful 18 karat white gold earrings adorned with a delightful combination of rubies and diamonds. Each earring features a delicate pear-shape...
Category

21st Century and Contemporary Contemporary Ruby Jewelry

Materials

Ruby, Diamond, 18k Gold, White Gold

Diana M. 1.00 Carat Oval Cut Ruby and Diamond Halo Pendant
Located in New York, NY
1.00ct oval ruby surrounded by 0.70 cts round diamonds creating a halo pendant
Category

21st Century and Contemporary Ruby Jewelry

Materials

Diamond, Ruby, 18k Gold, White Gold

Ruby Ring With Diamonds 1.60 Carats 18K Gold
Located in Laguna Niguel, CA
It comes with the Gemological Appraisal by GIA GG/AJP All Gemstones are Natural 3 Oval Rubies = 1.29 Carats 40 Round Diamonds = 0.31 Carats Metal: 18K White and Yellow Gold Ring Size...
Category

21st Century and Contemporary Contemporary Ruby Jewelry

Materials

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

Ruby 1.50 Carat Ring with Diamonds 1.20 Carats Total 18k Gold
Located in Carlsbad, CA
Ruby = 1.50 Carat Cut: Pear Round Diamonds = 0.64 Carats Baguette Diamonds = 0.56 Carats Metal: 18K White Gold Ring Size: 6.75* US *It can be resized complimentary
Category

2010s Contemporary Ruby Jewelry

Materials

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

Sophia D. Ruby and Diamond Cufflinks
Located in New York, NY
Designed and created by Sophia D, this is a cufflinks set in platinum that features a 2.78 carats of rubies and 1.82 carats of diamonds. Sophia D by Josep...
Category

2010s American Art Deco Ruby Jewelry

Materials

Ruby, Diamond, Platinum

Fine Ruby 3.80 Carats Total Earrings with Diamonds 18k Gold
Located in Carlsbad, CA
Fine Rubies = 3.80 Carats Cut: Oval Diamonds = 2.30 Carats ( Color: F, Clarity: VS ) Metal: 18K Gold Length: 1.5 cm
Category

21st Century and Contemporary Contemporary Ruby Jewelry

Materials

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

Luxurious 14K Ruby Eternity Band Ring 2.96ctw Size 7 - Elegant Statement Jewelry
Located in Holtsville, NY
Elevate your elegance with the enchanting allure of the Blooms of Passion Ruby Ring from Jeweltique. This exquisite piece from our renowned collection captures the fiery essence of r...
Category

2010s Indian Ruby Jewelry

Materials

Ruby, 14k Gold, Yellow Gold

Midcentury Natural Ruby and Diamond Cluster Earrings
Located in Laguna Niguel, CA
It comes with the appraisal by GIA GG/AJP Ruby = 8 Carats Diamonds = 4.10 Carats Cut: Mixed Cut Earrings Dimensions: 70 x 31 mm Metal: 18K Yellow Gold, Sterling Silver
Category

21st Century and Contemporary Early Victorian Ruby Jewelry

Materials

Diamond, White Diamond, Ruby, Gold, 18k Gold, Yellow Gold, Silver, Sterl...

Ruby and Diamond Flower Brooch in 14Karat Yellow Gold
Located in Los Angeles, CA
Gorgeous flower brooch with 0.40 ct. ruby round and 0.25 ct. white diamond rounds. Handmade in 14k yellow gold. This is a great brooch to add to any fine jewelry collection.
Category

21st Century and Contemporary Ruby Jewelry

Materials

Diamond, Ruby, Yellow Gold

18-carats pink gold ring with 3 oval rubies of 0.66 carats total
Located in Monte-Carlo, MC
18-carats pink gold ring with 3 oval rubies of 0.22 carats each or 0.66 carats total. Size EU: 52 / US: 6 Weight: 3.7 grams Dimensions: 1.6 x 0.5 cm Ring: 0.1 cm Gold "eagle hea...
Category

21st Century and Contemporary Ruby Jewelry

Materials

Ruby, 18k Gold, Rose Gold

Invisibly-Set Ruby Diamond Crescent Drop Earrings
Located in Palm Beach, FL
Invisibly-set ruby and diamond drop earrings, featuring three graduating crescent-shaped oval drops in rubies and diamonds. Handcrafted in polished 18k white gold. Rubies weighing 24...
Category

2010s Modern Ruby Jewelry

Materials

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

1.36 Carat GIA Certified No Heat Pear Shape Ruby
Located in Great Neck, NY
GIA Certified Pear Shape Ruby 1.36 Carats (8.41x5.95x3.12) mm NO HEAT
Category

2010s Modern Ruby Jewelry

Materials

Ruby

18 Karat White Gold 0.99 Carat Ruby Diamond Pave Cross Pendant Necklace
Located in Boca Raton, FL
Material: 18k White Gold Diamond Details: Approx. 0.88ctw of round cut diamonds. Diamonds are G/H in color and VS in clarity Gemstone Details: Approx. 0.99ctw of round cut Ruby gemst...
Category

21st Century and Contemporary American Ruby Jewelry

Materials

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

18kt. Gold Chatila Earrings With Rose Cut Sappphires & Brilliant Cut Diamonds
Located in Antwerp, BE
Gorgeous 18kt. Yellow and White Gold Chatila (Gèneva / London) Earrings With Rose Cut Sapphires & Brilliant Cut Diamonds Rubies: Rose cut Sapphires Diamonds: Brilliant cut diamonds...
Category

21st Century and Contemporary Swiss Artisan Ruby Jewelry

Materials

Diamond, Ruby, Gold, 18k Gold

Bochic “Capri” Fire Opal @ Ruby Cocktail Ring Set in 22k Gold & Silver
Located in New York, NY
Bochic “Capri” Cocktail Ring Natural Beautiful Fire Opal Cabochon - 19 carats Natural Oval brilliant shape Ruby’s - 12 carats Set in 22K Gold and Silver 950 This Ring is perfect to wear - Day to night, swim wear to evening wear. Vintage style Cocktail Ring. Featuring one large Fire Opal...
Category

21st Century and Contemporary Thai Belle Époque Ruby Jewelry

Materials

Opal, Ruby, Fire Opal, 22k Gold, Gold Plate, Silver

1.60 Carat Rich Ruby Diamond Ring
Located in Rome, IT
stunning ruby and diamond ring features a rich red 1.60 carat ruby accented by bright white diamonds. The ruby’s red hue is absolutely fantastic, and stands out strikingly against th...
Category

2010s Italian Modern Ruby Jewelry

Materials

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

Multicolor 14k gold cross pendant
Located in Istanbul, TR
Multucolor 14k gold cross pendant. Fancy color lab sapphires Cross Pendant. Religious Cross Necklace. Simple everyday cross. Marquise cross pendant. Gol...
Category

2010s European Modern Ruby Jewelry

Materials

Emerald, Ruby, Sapphire, Blue Sapphire, Tsavorite, 14k Gold

GIA Burma Red Ruby & Trillion Diamond Pendant Necklace in Platinum
Located in Los Angeles, CA
Gorgeous GIA 4.43 ct. purplish red ruby oval cabochon with 0.35 ct. good quality white diamond trillion. Handmade in platinum. Length is 18". GIA certificate included.
Category

21st Century and Contemporary Ruby Jewelry

Materials

Diamond, Ruby, Platinum

0.75 Carat Oval Cut Ruby Diamond Cocktail Ring Platinum in Stock
Located in Boca Raton, FL
Material: Platinum Gemstone details: Approx. 0.75 oval cut Ruby gemstone Diamond details: Approx. 0.36ctw of round and baguette cut diamonds. Diamonds are G/H in color and VS in clar...
Category

21st Century and Contemporary American Ruby Jewelry

Materials

Diamond, White Diamond, Ruby, Platinum

Emilio Jewelry 8.63 Carat Ruby Earring
Located in New York, NY
From the vault at Emilio Jewelry located on New York's iconic Fifth Avenue, Featuring perfectly matched high clarity, vivid red Rubies to create these everyday earrings. Stone Weigh...
Category

21st Century and Contemporary Ruby Jewelry

Materials

Ruby

Ruby 6.50 Carat Ring with Diamonds 1.40 Carats Total 14K Gold
Located in Carlsbad, CA
Ruby = 6.50 Carat Cut: Oval Diamonds = 1.40 Carats ( Color: F, Clarity: VS ) Metal: 14K Gold Ring Size: 6.75* US *It can be resized complimentary
Category

21st Century and Contemporary Contemporary Ruby Jewelry

Materials

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

Diamond Ruby Snake Ring 18 Karat White Gold
Located in London, GB
A diamond and ruby snake ring in 18 karat white gold. This truly bold statement ring is channel set throughout with baguette cut and tapered baguette diamonds especially cut to fit ...
Category

2010s Modern Ruby Jewelry

Materials

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

Dazzling 18k White Gold Bangle w/ 4ct Natural Rubies and Diamonds NGI Cert
Located in רמת גן, IL
A beautiful bangle with a dazzling 2 carat princess natural diamonds. It has 2 carat of side diamonds which add more to its elegance. The jewelry is made of 18k White gold with a hig...
Category

2010s Singaporean Ruby Jewelry

Materials

Diamond, Ruby, White Gold

Hirsh Ruby and Diamond Grace Butterfly Pendant
Located in London, GB
A beautiful ruby is set in the heart of a stylised butterfly pendant set with round diamonds with fine red enamel accents. - 0.50 carat oval shape ruby - 66 white diamonds totalling...
Category

2010s British Contemporary Ruby Jewelry

Materials

Diamond, Ruby, 18k Gold, White Gold

Andreoli 1.68 Carat Ruby Diamond 18 Karat White Gold Flower Ring CDC Certified
Located in New York, NY
Andreoli 1.68 Carat Ruby Diamond 18 Karat White Gold Flower Ring CDC Certified This ring features: - 8.30 Carat Diamond - 1.68 Carat Ruby Burma Certified...
Category

2010s Italian Contemporary Ruby Jewelry

Materials

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

Sophia D. 10.55 Carats Ruby and Diamond Bracelet
Located in New York, NY
Sophia D. platinum bracelet with 10.55 carats ruby and 1.67 carats diamond. Sophia D by Joseph Dardashti LTD has been known worldwide for 35 years and are inspired by classic Art De...
Category

2010s Art Deco Ruby Jewelry

Materials

Diamond, Ruby, Platinum

Very Fine Ruby 2.50 Carat Ring with Diamond Halo 14k Gold
Located in Carlsbad, CA
Very Fine Ruby = 2.50 Carat Cut: Cushion Diamonds = 0.70 Carats ( Color: F, Clarity: VS ) Metal: 14K Gold Ring Size: 6.25* US *It can be resized complimentary
Category

Early 2000s Art Deco Ruby Jewelry

Materials

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

Natural Ruby Stud Earrings 14k Gold 1.91 TCW 1.28 Grams Certified
Located in Brooklyn, NY
Natural Round Ruby Stud Earrings 14k Gold 1.91 TCW 1.28 Grams Certified $2,290 210750 This is a Unique Custom Made Glamorous Piece of Jewelry! Nothing says, “I Love you” more than ...
Category

2010s American Ruby Jewelry

Materials

Ruby, 14k Gold

Oval Ruby with Diamond Halo Five Stone Ring 18 Karat in Stock
Located in Boca Raton, FL
Material: 18k White Gold Gemstone details: Approx. 2.90ctw of oval cut Ruby gemstones Diamond details: Approx. 0.53ctw of round cut Diamonds. Diamonds are G/H in color and VS in clar...
Category

21st Century and Contemporary American Ruby Jewelry

Materials

Diamond, Ruby, 18k Gold, White Gold

GIA Unheated Mozambique Purplish Red Ruby and White Diamond Ring in Platinum
Located in Los Angeles, CA
Gorgeous 3.01 ct. unheated Mozambique purplish red ruby pear shape with 1.24 ct. white diamond rounds. Handmade in platinum. Ring size 6.25. GIA certificate included.
Category

21st Century and Contemporary Ruby Jewelry

Materials

White Diamond, Ruby, Platinum

Roman Malakov 3.44 Carats Total Oval Cut Ruby and Round Diamond Drop Earrings
Located in New York, NY
Elegant and chic classic drop earrings showcasing a beautiful oval cut ruby surrounded by round diamonds, Suspended on a floral-motif round diam...
Category

21st Century and Contemporary American Contemporary Ruby Jewelry

Materials

Diamond, Ruby, 18k Gold, White Gold

Chopard Yellow Gold Diamond, Ruby & Sapphire Fish Ring 82/4702-0002
Located in London, GB
A unique 18k yellow gold dress ring by Chopard. The ring comprises of two 3mm bands evenly separated by 5 bars between them. The bands are each pave set with 20 round brilliant cut d...
Category

21st Century and Contemporary Ruby Jewelry

Materials

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

AGL Mozambique Ruby and White Diamond Cocktail Ring in 18k Yellow Gold
Located in Los Angeles, CA
Gorgeous 16.41 ct. Mozambique ruby oval with good quality white diamond rounds. Handmade in 18k yellow gold. Ring size 4.25. AGL certificate is included.
Category

21st Century and Contemporary Ruby Jewelry

Materials

White Diamond, Ruby, Yellow Gold

Hirsh Britannia Trilogy Earrings
Located in London, GB
Ruby reds, white diamonds and sapphire blues – the Hirsh atelier have created a few special pieces in Britannia colours inspired by Her Majesty Queen Elizabeth II, created on her platinum jubilee...
Category

2010s British Artisan Ruby Jewelry

Materials

Diamond, Ruby, Blue Sapphire, Platinum

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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