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Certified 1.50 Carat 'Natural & Untreated' Ruby & Diamond Ring
Located in London, GB
platinum. Materials: Gemstone: natural untreated, Ruby AAAA highest heirloom quality Weight of Ruby
Category

21st Century and Contemporary English Modern Engagement Rings

Materials

Ruby, Diamond, 18k Gold

Antique Natural Untreated Ruby Necklace of 18k Gold
Located in Lewisburg, PA
gold floral pendant (circa 1880) is hand pierced and etched with a natural, untreated ruby of
Category

Antique Late 19th Century Pendant Necklaces

Materials

Ruby, 14k Gold, 18k Gold

Certified 1 Carat 'Natural & Untreated' Ruby & Diamond Ring
Located in London, GB
Behold the allure of our 1-carat natural and untreated Ruby, elegantly showcased in our 18K yellow
Category

21st Century and Contemporary English Modern Engagement Rings

Materials

Diamond, Ruby, 18k Gold

Certified 1.5 Carat 'Natural & Untreated' Ruby & Diamond East West Halo Ring
Located in London, GB
Elevate your style with our custom-made ring, featuring a 1.55-carat natural untreated Ruby in a
Category

21st Century and Contemporary English Modern Engagement Rings

Materials

Ruby, Diamond, 18k Gold

1.10ct Natural Untreated Ruby and Natural Diamond 14K White Gold Ring
Located in Los Angeles, CA
1.10Ct Natural Untreated Ruby and Natural Diamond 14K White Gold Ring Suggested Replacement Value
Category

2010s American Cocktail Rings

Materials

Diamond, Ruby, 14k Gold, White Gold

Impressive Natural Untreated Ruby and Natural Diamond 14 Karat White Gold Ring
Located in Los Angeles, CA
Impressive Natural Untreated Ruby and Natural Diamond 14K White Gold Ring Suggested Replacement
Category

2010s American Cocktail Rings

Materials

Diamond, Ruby, 14k Gold, White Gold

1.70 Ct Impressive Natural Untreated Ruby & Natural Diamond 14K White Gold Ring
Located in Los Angeles, CA
1.70 Carats Impressive Natural Untreated Ruby and Natural Diamond 14K White Gold Ring Total Red
Category

2010s American Cocktail Rings

Materials

Diamond, Ruby, 14k Gold, White Gold

Impressive Natural Untreated Ruby and Natural Diamond 14 Karat White Gold Ring
Located in Los Angeles, CA
Impressive Natural Untreated Ruby and Natural Diamond 14K White Gold Ring The Width of the ring is
Category

2010s American Cocktail Rings

Materials

Diamond, Ruby, 14k Gold, White Gold

Matching pear ruby gemstone NATURAL UNTREATED RUBY
Located in Jupiter, FL
Rubies matching, natural untreated (heat only) NATURAL GEMSTONE(S): RUBY Clarity/Color
Category

21st Century and Contemporary Loose Gemstones

Materials

Ruby

Mens Ruby ring 14KT natural untreated ruby ring Burma
Located in Boca Raton, FL
Elegant mens ring with a beautiful ruby in center untreated 100% natural ruby originating from
Category

21st Century and Contemporary Solitaire Rings

Materials

Ruby, 14k Gold

About 18ct natural, untreated ruby beaded bracelet with drawstring closure
By 15DEGREESLONDON
Located in Boostedt, SH
**About 18 Carat Signature Rubies:** Noble rubies, symbolizing passion and vitality, handcrafted
Category

2010s Beaded Bracelets

Materials

Ruby, Sterling Silver

Regency Natural Untreated Ruby Diamond Rare Memorial 18 KT ring
Located in Napoli, IT
the time sits very flat on finger Centrally set with a natural unheated/ untreated Ruby oval cut
Category

Antique 1840s British Regency Signet Rings

Materials

Diamond, Ruby, 18k Gold

Ruby & Diamond Cocktail Ring 14kt Yellow Gold Natural Untreated Ruby Cabochon
Located in Jupiter, FL
Stunning ruby & diamond cocktail ring made with oval cabochon (100% natural and untreated ruby) in
Category

21st Century and Contemporary North American Modern Engagement Rings

Materials

Diamond, Ruby, Yellow Gold, 14k Gold

0.88 Carats Natural Untreated Rubies and Diamonds Earrings Made in Platinum
Located in Tokyo, JP
A gorgeous pair of Untreated Rubies weighing a total of 0.88 Carats. The diamonds are a further
Category

21st Century and Contemporary Japanese Modern Stud Earrings

Materials

Diamond, Ruby, Platinum

Ruby Tennis Bracelet Rare Princess Cut Natural Untreated Ruby Bracelet 18Kt Gold
Located in Jupiter, FL
Astonishing piece, all matching rubies untreated, made in tennis bracelet in 18KT gold. GRAM WEIGHT
Category

21st Century and Contemporary North American Modern Tennis Bracelets

Materials

Ruby, Gold, 18k Gold

1.40 Carat Natural Untreated Ruby and Diamond Pierced Earrings Made in Platinum
Located in Tokyo, JP
A gorgeous pair of Rubies weighing a total of 1.40 Carats - untreated, natural. The diamonds are a
Category

21st Century and Contemporary Japanese Modern Stud Earrings

Materials

Diamond, Ruby, Platinum

0.73 Carat Natural Untreated Ruby and Diamond Pierced Earrings Made in Platinum
Located in Tokyo, JP
A gorgeous pair of Rubies weighing a total of 0.73 Carats - untreated, natural. The diamonds are a
Category

21st Century and Contemporary Japanese Modern Stud Earrings

Materials

Diamond, Ruby, Platinum

Ruby Diamond Ring 18 Karat White Gold Cocktail Ring Natural Untreated Ruby Ring
Located in Jupiter, FL
) Carat: 0.45ct NATURAL RUBY (NATURAL UNTREATED) Cut: Oval Cabochon Color: Pinkish Red Clarity: Slightly
Category

21st Century and Contemporary North American Modern Engagement Rings

Materials

Diamond, Ruby, 18k Gold

GFCO Certified 3.63 Carats Untreated Mozambique Ruby
Located in Massafra, IT
A very stunning GFCO certified natural Untreated Ruby from Mozambique, in oval cut, of 3,63 carats
Category

21st Century and Contemporary Loose Gemstones

Materials

Ruby

GRS Certified 4 Carat Untreated Ruby Trapezoid Ring
Located in Chicago, IL
This stunning ring features a certified natural untreated ruby weighing 4 carats, complemented by
Category

2010s American Contemporary Cocktail Rings

Materials

Ruby, Platinum

Antique Untreated Natural Antique Untreated Natural Ruby and Diamond Bypass Ring
Located in Lewisburg, PA
An antique bypass ring (circa 1910), featuring two natural, untreated rubies with halos of diamonds
Category

Vintage 1910s Edwardian Cocktail Rings

Materials

Diamond, Ruby, 14k Gold, Platinum

Georgian Natural Ruby Diamond Rare Urn Ring
Located in Napoli, IT
Magnificent Georgian period Urn ring set with natural untreated Ruby and Diamond, possibly Burma
Category

Antique 1780s English Georgian Cluster Rings

Materials

Diamond, Ruby, 18k Gold, Silver

2.48 Carat Certified Untreated Ruby Engagement Solitaire Ring Platinum
Located in US
A classic natural ruby engagement ring estate. Set with one cushion-shaped old cut natural
Category

Early 2000s Unknown Contemporary Solitaire Rings

Materials

Ruby, Platinum

1.15ct Ruby Burma pendant in 18ct white gold.
Located in London, GB
1.15ct Ruby Burma pendant in 18ct white gold. Natural untreated ruby gemstone oval shaped vivid
Category

21st Century and Contemporary Drop Necklaces

Materials

Ruby, White Gold

Natural Ruby and Diamond 10.60 Carat 18 Karat Yellow Gold Bracelet
Located in San Diego, CA
Brilliant Cut, 5.25 Carats Total Origin & Color: Natural Untreated Rubies, Deep Red Color Diamonds: 15
Category

21st Century and Contemporary Unknown Link Bracelets

Materials

Diamond, Ruby, 18k Gold, Yellow Gold

French Je T'aime Flower Heart 18K Yellow Gold Ruby Love Charm Pendant
Located in London, GB
engraved flower set with a natural untreated ruby weighing approximately 0.10 carats and the words 'Je
Category

20th Century French Pendant Necklaces

Materials

Ruby, Gold, 18k Gold, Yellow Gold

French Edwardian Untreated Ruby Diamond 18 KT/Platinum Ring
Located in Napoli, IT
  heat - untreated natural Ruby of vibrant Red color - possibly Burma of approx .80 Ct Opposite side is
Category

Antique Early 1900s French Edwardian Cluster Rings

Materials

Diamond, Ruby, 18k Gold, Platinum

IGI Certified 8.88 Carat Unheated Red Ruby & Diamond Pendent in 18K White Gold
Located in KOWLOON, HK
white gold and ready to be worn. Comes with original IGI certificate stating natural untreated ruby. The
Category

2010s Hong Kong Modern Pendant Necklaces

Materials

Diamond, Ruby, 18k Gold, White Gold

IGI Certified 2.33 Carat Red Ruby & Diamond Ring in 18K White Gold
Located in KOWLOON, HK
gold and ready to be worn. Comes with original IGI certificate stating natural untreated ruby. The ring
Category

2010s Hong Kong Modern Cocktail Rings

Materials

Diamond, Ruby, White Gold

22 Karat Gold Ring with Oval Brilliant Cut Natural Ruby 3.04 Carat GIA Certified
By Malcolm Betts
Located in London, GB
3.2mm 22 Karat gold ring with oval brilliant cut natural ruby 3.04ct GIA certed . handmade in
Category

2010s British Contemporary Cocktail Rings

Materials

Ruby, Gold, 22k Gold, Yellow Gold

Fine Ruby & Diamond pendant necklace 18KT
Located in Boca Raton, FL
Elegant ruby and diamond pendant necklace, 100% natural untreated rubies(Burma) paired with fine VS
Category

21st Century and Contemporary Pendant Necklaces

Materials

Diamond, Ruby, 18k Gold

1.05 Carat Natural Unheated Rubies and Diamond Cocktail Ring made in Platinum
Located in Tokyo, JP
A beautiful Ring set in Platinum featuring a AIGS Certified 1.05 Carat Natural Untreated Rubies and
Category

20th Century Japanese Modern Cocktail Rings

Materials

Diamond, Ruby, Platinum

Ocean waves ring 14KT gold ruby stacking ring
Located in Boca Raton, FL
Cute stacking ring with a natural untreated ruby in the center from Burma and ocean waves design on
Category

21st Century and Contemporary Solitaire Rings

Materials

Ruby, Gold, 14k Gold

Vintage Entwined Snake Ring of 9ct Gold
Located in Lewisburg, PA
, untreated ruby and an old European cut diamond. The ring bears hallmarks indicating that it was assayed in
Category

Antique 1890s Victorian Fashion Rings

Materials

Diamond, Ruby, 9k Gold

5.19 Carat Ruby And Diamond Ring In 18 Karat Gold
Located in Bangkok, 10
single oval cut natural untreated ruby of the finest quality, set with 0.49 carats of white round
Category

2010s Thai Solitaire Rings

Materials

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

Colombian Emerald Ruby and Diamond Ring 18K yellow Gold
By Emeralds Maravellous
Located in US
Emerald Cut, AAA Medium Fine Green Color/Clarity VS, and two Natural untreated ruby pear cut, and four
Category

21st Century and Contemporary American Art Deco Engagement Rings

Materials

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

Colombian Emerald and Ruby Bypass "Toi Et Moi" Ring
By Emeralds Maravellous
Located in US
Colombian Emerald Pear Cut, Medium Fine Green Color/Clarity VS, and Natural untreated ruby Pear Cut "Toi et
Category

21st Century and Contemporary American Art Deco Engagement Rings

Materials

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

9.2mmx7mm Oval ruby pair natural and untreated
Located in Jupiter, FL
Rare matching pair of rubies, untreated and certified. NATURAL GEMSTONE(S): NATURAL RUBY Clarity
Category

21st Century and Contemporary Loose Gemstones

Materials

Ruby

Diamond Ruby Earrings 14 Karat Yellow Gold 3.64 TCW Certified
Located in Brooklyn, NY
Natural Untreated Finely Faceted Quality Ruby Diamond Earrings 14k Yellow Gold 3.64 TCW Certified
Category

2010s American Stud Earrings

Materials

Diamond, Ruby, 14k Gold, Yellow Gold

Diamond Ruby Stud Earrings 14 Karat White Gold 1.87 TCW Certified
Located in Brooklyn, NY
Natural Untreated Finely Faceted Quality Ruby Stud abc diamond Earrings set in 14k White Gold 1.87
Category

2010s American Stud Earrings

Materials

Diamond, Ruby, 14k Gold, White Gold

Matching ruby pair untreated 6.5x4.5mm ruby oval natural pinkish red
Located in Jupiter, FL
. NATURAL RUBY(S) Clarity/Color: Slightly Icluded/Pinkish Red Cut: Oval Measuring: 6.5x4.5mm Pair WHAT YOU
Category

21st Century and Contemporary Loose Gemstones

Materials

Ruby

Diamond Ruby Earrings 14k Gold 2.07 TCW Certified
Located in Brooklyn, NY
Natural Untreated Finely Faceted Quality Ruby and Diamond Earrings set in 14k White Gold Certified
Category

2010s American Stud Earrings

Materials

Diamond, Ruby, 14k Gold, White Gold

Victorian Rock Crystal Ruby Diamond Opal 18 Kt Gold Fly Pendant
Located in Napoli, IT
, natural untreated Rubies and rose cut Diamonds for a stunning colorful effect of gemstones and sparkle
Category

Antique Late 19th Century Victorian Pendant Necklaces

Materials

Crystal, Diamond, Opal, Rock Crystal, Ruby, Gold, 18k Gold

Diamond Ruby Earrings 18 Karat White Gold 1.36 TCW Certified
Located in Brooklyn, NY
Natural Untreated Finely Faceted Quality Ruby ancc DC diamond Earrings set in 18 KT White Gold with
Category

2010s American Stud Earrings

Materials

Diamond, Ruby, 18k Gold, White Gold

Diamond Ruby Stud Earrings 14 Karat Yellow Gold 2.41 TCW Certified
Located in Brooklyn, NY
Natural Untreated Finely Faceted Quality Ruby and diamond Stud Earrings set in 14k Yellow Gold 2.41
Category

2010s American Stud Earrings

Materials

Diamond, Ruby, 14k Gold, Yellow Gold

Matching oval rubies untreated matching pair 100% natural certified 6.5mm
Located in Jupiter, FL
Rare matching pair of rubies, untreated and certified. NATURAL GEMSTONE(S): NATURAL RUBY Clarity
Category

21st Century and Contemporary Loose Gemstones

Materials

Ruby

Huge Ruby Earrings with Natural Diamonds 14k White Gold Untreated Large Rubies
Located in Jupiter, FL
is rare for this size. Rubies are treated with heat only. GOLD: 14KT white gold NATURAL DIAMOND(S
Category

2010s Lever-Back Earrings

Materials

Diamond, Ruby, 14k Gold

1.02 Carat Natural, Untreated, Pigeon Blood Ruby & Diamond Pendant Necklace
Located in Tokyo, JP
A beautiful pendant made in Platinum featuring AIGS Certified 1.02 Carat of Natural Untreated
Category

21st Century and Contemporary Japanese Modern Pendant Necklaces

Materials

Diamond, Ruby, Platinum

IGI Certified 3.64ct Untreated Star Ruby 1.10ct Natural Diamond Platinum Ring
Located in Hong Kong, HK
Discover the allure of the natural untreated Star Ruby, one of the rarest gemstones in the world
Category

21st Century and Contemporary Hong Kong Cocktail Rings

Materials

Diamond, Star Ruby, Platinum

IGI Certified 0.96ct Untreated Thai Ruby 0.64ct Natural Diamonds Platinum Ring
Located in Hong Kong, HK
Elegant Platinum Ring showcasing a 0.96ct Natural Untreated Thai Ruby in a classic oval shape with
Category

21st Century and Contemporary Hong Kong Cocktail Rings

Materials

Diamond, Ruby, Platinum

Oval Untreated Natural Ruby Engagement Three-Stone Ring 18 Karat Gold
By Emeralds Maravellous
Located in US
The stunning, delicate ring is set with three fine 100% natural rubies that have excellent cutting
Category

21st Century and Contemporary American Contemporary Engagement Rings

Materials

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

Natural Untreated Deep Red Ruby Pear Cut 0.76Ct IGI Certified Rare Gem
By Gems and Jewels UK
Located in Birmingham, GB
Natural Untreated Deep Red Ruby Pear Cut 0.76Ct IGI Certified Rare Gem Natural Deep Red Untreated
Category

21st Century and Contemporary More Jewelry

Materials

Ruby

GRS Certified 5.14 Carat Natural Untreated Unheated Red Ruby Diamond Ring
By Antinori Fine Jewels
Located in Chicago, IL
A STUNNING red ruby diamond ring! GRS Certified 5.14 Carat Natural Untreated Unheated Red Ruby
Category

2010s Unknown Contemporary Engagement Rings

Materials

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

Gold Ring with Star Ruby Untreated Ceylon Star Ruby
Located in Berlin, BE
Elegant 14k yellow gold ring featuring a natural, untreated star ruby from Sri Lanka (Ceylon
Category

21st Century and Contemporary Sri Lankan Aesthetic Movement Solitaire Rings

Materials

Ruby, Star Ruby, Gold, 14k Gold, Yellow Gold

Exquisite 3.16 Carat Natural Untreated Red Ruby and Diamond 14K Solid Yellow
Located in Los Angeles, CA
Exquisite 3.16 Carats Natural Untreated Red Ruby and Diamond 14K Solid Yellow Gold Stud Earrings
Category

2010s American Stud Earrings

Materials

Diamond, Ruby, 14k Gold

1.30 Carat Natural, Untreated, Burmese Ruby and Diamond Ring Made in Platinum
Located in Tokyo, JP
A beautiful Ring made in Platinum featuring a 1.30 Carat Natural Unheated, Burmese Ruby and 0.48
Category

21st Century and Contemporary Japanese Modern Engagement Rings

Materials

Diamond, Ruby, Platinum

1.29 Carat Natural, Untreated, Burmese Ruby and Diamond Ring Made in Platinum
Located in Tokyo, JP
A beautiful Ring made in Platinum featuring a 1.29 Carat Natural Unheated, Burmese Ruby and 0.48
Category

21st Century and Contemporary Japanese Modern Engagement Rings

Materials

Diamond, Ruby, Platinum

3.04 Carat Natural Untreated Burmese Star Ruby and Diamond Ring Made in Platinum
Located in Tokyo, JP
A beautiful Ring made in Platinum featuring a 3.04 Carat Natural Unheated, Burmese Star Ruby and
Category

20th Century Japanese Modern Cocktail Rings

Materials

Diamond, Ruby, Star Ruby, Platinum

4.95 Carat Natural Untreated Burmese Star Ruby and Diamond Ring Made in Platinum
Located in Tokyo, JP
A beautiful Ring made in Platinum featuring a 4.95 Carat Natural Unheated, Burmese Star Ruby and
Category

20th Century Japanese Modern Cocktail Rings

Materials

Diamond, Star Ruby, Ruby, Platinum

AIGS Certified 1.03 Carat Natural No Heat (Untreated) Ruby Ring made in Platinum
Located in Tokyo, JP
A beautiful Ring set in Platinum featuring a AIGS Certified 1.03 Carat Natural No Heat, Pigeon
Category

21st Century and Contemporary Japanese Modern Cocktail Rings

Materials

Diamond, Ruby, Platinum

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Natural Untreated Ruby For Sale on 1stDibs

You are likely to find exactly the natural untreated ruby you’re looking for on 1stDibs, as there is a broad range for sale. Every item for sale was constructed with extraordinary care, often using Gold, 18k Gold and Platinum. Our collection of these items for sale includes 16 vintage editions and 15 modern creations to choose from as well. Making the right choice when shopping for a natural untreated ruby may mean carefully reviewing examples of this item dating from different eras — you can find an early iteration of this piece from the 19th Century and a newer version made as recently as the 21st Century, both of which have proven very popular over the years. Finding an appealing natural untreated ruby — no matter the origin — is easy, but Merkaba and Tiffany & Co. each produced a popular version that is worth a look. See these pages for an oval cut iteration of this accessory, while there are also pear cut cut and mixed cut cut versions available here, too. If you’re browsing our inventory for a natural untreated ruby, you’ll find that many are available today for women, but there are still pieces to choose from for unisex and men.

How Much is a Natural Untreated Ruby?

Prices for a natural untreated ruby can differ depending upon size, time period and other attributes — at 1stDibs, these accessories begin at $525 and can go as high as $42,781, while this accessory, on average, fetches $5,600.

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.