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Untreated And Unheated Diamonds

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Art-Deco Untreated, Unheated 2.10 carats Ruby and Diamond Cluster Ring
Located in OVIEDO, AS
Art-Deco Untreated, Unheated 2.10 carats Natural Ruby Vivid Red and Diamond Cluster Ring. The oval
Category

Early 20th Century French Art Deco Cluster Rings

Materials

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

GIA Certified 4 Carat Unheated and Untreated Alexandrite Diamond Platinum Ring
By Antinori Fine Jewels
Located in Rome, IT
alexandrite and diamond ring features a rare and beautiful color change alexandrite flanked by a
Category

2010s Italian Modern Engagement Rings

Materials

Alexandrite, Diamond, Platinum

Certified 1.85ct Unheated Untreated Vietnamese Cushion Cut Ruby and Diamond 18k
By David Jerome
Located in Bishop's Stortford, Hertfordshire
This ring designed by David Jerome is from his private collection and features one unheated natural
Category

21st Century and Contemporary British Contemporary Cluster Rings

Materials

Diamond, Ruby, 18k Gold, White Gold

Certified 1.13ct Unheated Untreated Burmese Marquise Cut Ruby and Diamond 18k go
By David Jerome
Located in Bishop's Stortford, Hertfordshire
This ring designed by David Jerome is from his private collection and features one natural unheated
Category

21st Century and Contemporary British Contemporary Cluster Rings

Materials

Diamond, Ruby, 18k Gold, White Gold

Certified 2.37ct Unheated Untreated Oval Cut Ruby and Diamond 18ct gold Ring
By David Jerome
Located in Bishop's Stortford, Hertfordshire
This ring designed by David Jerome is from his private collection and features one natural unheated
Category

21st Century and Contemporary British Contemporary Cluster Rings

Materials

Diamond, Ruby, 18k Gold, White Gold

Certified 1.21ct Unheated Untreated Mozambique Oval Cut Ruby and Diamond 18k gol
By David Jerome
Located in Bishop's Stortford, Hertfordshire
totalling 1.21cts sourced in Mozambique. Set with round brilliant cut Diamonds totalling 0.63cts mounted in
Category

21st Century and Contemporary British Contemporary Cocktail Rings

Materials

Diamond, Ruby, 18k Gold, White Gold

Certified 2.03ct Untreated Unheated Round Cut Ruby and Diamond 18ct gold Ring
By David Jerome
Located in Bishop's Stortford, Hertfordshire
totalling 2.03cts sourced in Mozambique. Set with round brilliant cut Diamonds totalling 0.44cts mounted in
Category

21st Century and Contemporary British Contemporary More Rings

Materials

Ruby, Diamond, 18k Gold, White Gold

GRS Certified 6.72 Carat Natural Untreated Unheated Red Ruby Diamond Ring
By Antinori Fine Jewels
Located in Rome, IT
A STUNNING red ruby diamond ring! GRS Certified 6.72 Carat Natural Untreated Unheated Red Ruby
Category

2010s Italian Modern Engagement Rings

Materials

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

GIA Certified Ceylon Blue Sapphire 7.2 Cts 'Untreated, Unheated' Diamond Ring
Located in OVIEDO, AS
/unheated) and Diamond Ring. Blue Ceylon Sapphire, GIA certified (untreated, unheated) 7.20 carats
Category

Vintage 1950s Spanish Neoclassical Cluster Rings

Materials

Diamond, Blue Sapphire, 18k Gold

AGL Certified 8.463 ct. Unheated & Untreated Blue Sapphire & Fine Diamond Ring
By Pierre Famille
Located in Aspen, CO
, indicating it has not been enhanced by man - it is unheated and untreated. This Report is older (as this
Category

21st Century and Contemporary Contemporary Cocktail Rings

Materials

Diamond, White Diamond, Blue Sapphire, Platinum

AGL Certified 8.463 ct. Unheated & Untreated Blue Sapphire & Fine Diamond Ring
Located in Aspen, CO
Laboratories, indicating it has not been enhanced by man - it is unheated and untreated. This Report is older
Category

21st Century and Contemporary North American Contemporary Cocktail Rings

Materials

Diamond, Blue Sapphire, Platinum

GIA Certified 5 Carat Unheated/Untreated Ruby from Mozambique
By Antinori Fine Jewels
Located in Rome, IT
features a incredible cushion cut 5 carat pure red ruby. Exquisite 5.02-Carat Unheated/Untreated Ruby
Category

2010s Unknown Contemporary Engagement Rings

Materials

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

Burmese Untreated, Unheated Ruby, Rose Cut Diamond , Seed Pearl Necklace 19th C.
Located in OVIEDO, AS
OLD BURMA (MYANMAR) UNTREATED, UNHEATED RUBY, ROSE CUT DIAMOND AND SEED PEARL NECKLACE. LATE 19TH
Category

Antique Late 19th Century Indian Anglo-Indian Pendant Necklaces

Materials

Diamond, Pearl, Ruby, 22k Gold

SSEF Switzerland Unheated Untreated 7 Carat Ceylon Blue Sapphire Ring
By Antinori Fine Jewels
Located in Rome, IT
Behold, a magnificent natural Blue Sapphire hailing from the renowned mines of Ceylon (Sri Lanka). Weighing an impressive 7.26 carats, this gemstone boasts dimensions of 10.80 x 9.48...
Category

2010s Unknown Contemporary Cocktail Rings

Materials

Blue Sapphire, Sapphire, Diamond, Platinum

2.72Ct Lemon Green Sapphire Ring in 18K gold (Unheated, Untreated gems)
Located in Singapore, SG
) Transparency - Highly Transparent Treatment - None (Unheated, Untreated, No Enhanced) Origin - Sri Lanka
Category

21st Century and Contemporary Singaporean Art Deco Engagement Rings

Materials

Green Sapphire, 18k Gold

Certified Untreated Vivid Yellow Sapphire & Diamond 18 Karat White Gold Pendant
By Gems and Jewels UK
Located in Birmingham, GB
Natural Untreated Vivid Yellow Certified Sapphire & Diamond 18 Karat White Gold Pendant Necklace
Category

21st Century and Contemporary Pendant Necklaces

Materials

Diamond, White Diamond, Yellow Sapphire, Gold, 18k Gold, White Gold

8.80 Carat Unheated / Untreated Yellow Sapphire Cocktail Ring Set in Platinum
Located in Tokyo, JP
A beautiful ring featuring 8.80 Carat Natural Untreated Yellow Sapphire and 1.01 Carats Diamond
Category

21st Century and Contemporary Japanese Modern Cocktail Rings

Materials

Yellow Sapphire, Platinum

IGI Certified Untreated Ceylon Yellow Sapphire Diamond 18k White Gold Pendant
By Gems and Jewels UK
Located in Birmingham, GB
IGI Certified Untreated Ceylon Yellow Sapphire & Diamond 18k White Gold Pendant Necklace. 0.90
Category

21st Century and Contemporary Pendant Necklaces

Materials

Diamond, Sapphire, Yellow Sapphire, Gold, 18k Gold, White Gold

IGI Certified 1.03 Colour Change Untreated Sapphire Diamond 18k Gold Pendant
By Gems and Jewels UK
Located in Birmingham, GB
totally untreated unheated, very rare for natural sapphires. Confirmed on IGI gem lab report. This
Category

21st Century and Contemporary Pendant Necklaces

Materials

Diamond, Sapphire, Pink Sapphire, Purple Sapphire, Gold, 18k Gold, Yello...

GIA Certified Unheated Ruby and Diamond Chandelier Earrings
Located in Aspen, CO
certificates which state that the fine matched rubies are unheated and untreated. There are 10.29 cts of fine
Category

21st Century and Contemporary American Contemporary Dangle Earrings

Materials

Diamond, Ruby, Platinum

GIA Certified Untreated Vivid Green Thai Sapphire & Diamond 18k Gold Halo Ring
By Gems and Jewels UK
Located in Birmingham, GB
as natural, untreated/unheated and rare Thai origin. Very rare and unique stone. Also has excellent
Category

21st Century and Contemporary Cluster Rings

Materials

White Diamond, Green Sapphire, Yellow Sapphire, Blue Sapphire, Sapphire,...

1.05ct Untreated Green Blue Sapphire 18k White Gold Diamond Surround Set Pendant
By Gems and Jewels UK
Located in Birmingham, GB
Untreated Green Blue Sapphire 18k White Gold Diamond Surround Set Pendant. 1.05 Carat sapphire
Category

21st Century and Contemporary Pendant Necklaces

Materials

Diamond, Sapphire, Blue Sapphire, Green Sapphire, Gold, 18k Gold, White ...

Fine Untreated Deep Red Ruby & Diamond Oval 18k Yellow Gold Halo Rubover Ring
By Gems and Jewels UK
Located in Birmingham, GB
Fine Untreated Deep Red Ruby And Diamond 18k Yellow Gold Halo Ring. Stylish modern halo ring
Category

21st Century and Contemporary Cluster Rings

Materials

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

Vintage 26.93 Carat Unheated Ceylon Sapphire and Diamond Ring
Located in London, GB
This is a wonderful sapphire and diamond ring from the 1950s period. The oval cut sapphire is
Category

Vintage 1950s Engagement Rings

Materials

Diamond, Blue Sapphire, Platinum

GIA Certified 1.36ct Untreated Vivid Green Yellow Sapphire Round Diamond Cut Gem
By Gems and Jewels UK
Located in Birmingham, GB
GIA Certified Untreated Green Yellow Sapphire Gemstone. 1.36 Carat unheated sapphire with a
Category

21st Century and Contemporary Loose Gemstones

Materials

Sapphire, Yellow Sapphire, Green Sapphire

Estate Certified Unheated Ruby Diamond Ring
Located in Napoli, Italy
Unheated untreated Natural Burmese Ruby oval-shape, surrounded by 1.00 carats, twelve gems, of round
Category

Late 20th Century Contemporary Engagement Rings

Materials

Diamond, Ruby, 18k Gold

GIA Certified Unheated Ruby and Diamond Chandelier Earrings, Pierre/Famille
Located in Aspen, CO
certificates which state that the fine matched rubies are unheated and untreated. There are 10.29 cts of fine
Category

21st Century and Contemporary American Contemporary Chandelier Earrings

Materials

Diamond, Ruby, Platinum

French 25.92 Carat Unheated Ceylon Sapphire and Diamond Cluster Ring
Located in London, GB
This is a truly wonderful, French sapphire and diamond cluster ring. The cushion cut sapphire is
Category

20th Century Cluster Rings

Materials

Diamond, Blue Sapphire, Gold, Yellow Gold, Platinum

Edwardian 4.80 Ct Natural Untreated Sapphire and Diamond three stone ring
Located in Napoli, IT
nestled into the crown, centering a mesmerizing totally natural ,untreated/ unheated Sapphire, cabochon
Category

Antique Early 1900s European Edwardian Three-Stone Rings

Materials

Diamond, Sapphire, 18k Gold, Silver

Vivid Green Yellow Sapphire 1.38ct Untreated Rare IGI Certified Oval Cut Blister
Located in Birmingham, GB
Antwerp. Certified as untreated and Unheated. Very rare for natural sapphires.
Category

21st Century and Contemporary More Jewelry

Materials

Diamond

Natural 2 ct Unheated Ruby & Diamond Ring
Located in Mill Valley, CA
totally unheated/untreated. 99.9% of all rubies are heated to remove the natural silk inclusions. Rarely
Category

2010s Mozambican Contemporary Cocktail Rings

Materials

Ruby, Diamond, 18k Gold

Certified 9.91ct Untreated Oval Cut Kunzite and Diamond 18ct Gold Ring
By David Jerome
Located in Bishop's Stortford, Hertfordshire
This ring designed by David Jerome is from his private collection and features one natural unheated
Category

21st Century and Contemporary British Contemporary Cluster Rings

Materials

Diamond, Kunzite, 18k Gold, White Gold

Certified 3, 65 Ct Natural Untreated Sapphires and Diamonds Drop Earrings
Located in București, B
This exquisite pair of pear cut sapphires is certified as natural and unheated by the world's
Category

Antique Early 19th Century Romanian Art Nouveau Drop Earrings

Materials

Diamond, Sapphire, 14k Gold

0.845Ct Burma unheated Ruby and Natural diamond 2 ways stud earring
Located in Singapore, SG
Rubies that are completely untreated are worth far more than those that have been treated
Category

21st Century and Contemporary Singaporean Art Deco Stud Earrings

Materials

Diamond, Ruby, 18k Gold

Edwardian 36.0 Carat Untreated Multigem Stone Diamond Bracelet
Located in Napoli, IT
All Gemstones are untreated and unheated, rare as earth mined in the past having beautiful vibrant
Category

Antique Early 1900s European Edwardian Link Bracelets

Materials

Diamond, Topaz, Tourmaline, Imperial Topaz, 18k Gold

GIA Certified 0.99 Carat Unheated Ruby and Diamond Ring set in Platinum
Located in Tokyo, JP
A beautiful Ring set in Platinum featuring a GIA Certified 0.99 Carat Natural Untreated (Unheated
Category

21st Century and Contemporary Japanese Modern Engagement Rings

Materials

Diamond, Ruby, Platinum

GIA Certified 1.08 Carat Unheated Ruby and Diamond Ring set in Platinum
Located in Tokyo, JP
A beautiful Ring set in Platinum featuring a GIA Certified 1.08 Carat Natural Untreated (Unheated
Category

21st Century and Contemporary Japanese Modern Engagement Rings

Materials

Diamond, Ruby, Platinum

Certified 1.09ct Untreated Burmese Oval Cut Ruby and Diamond 18ct gold Ring
By David Jerome
Located in Bishop's Stortford, Hertfordshire
This ring designed by David Jerome is from his private collection and features one natural unheated
Category

21st Century and Contemporary British Contemporary Cluster Rings

Materials

Diamond, Ruby, 18k Gold, White Gold

Rare Unheated Color-Change Sapphire & Diamond 18K Ring
Located in Mill Valley, CA
pink, and is totally natural and unheated/untreated. This is a certified natural sapphire, mined in
Category

2010s American Contemporary Cocktail Rings

Materials

Sapphire, Diamond, 18k Gold

0.99 Carat, Pigeon Blood Red, Untreated Ruby and Diamond Ring Made in Platinum
Located in Tokyo, JP
A beautiful Ring set in Platinum featuring a 0.99 Carat Natural, Pigeons Blood Red, Unheated Ruby
Category

21st Century and Contemporary Japanese Modern Engagement Rings

Materials

Diamond, Ruby, Platinum

GIA Certified 1.14 Carat Natural, Unheated Ruby and Diamond Ring set in Platinum
Located in Tokyo, JP
A beautiful Ring set in Platinum featuring a GIA Certified 1.14 Carat Natural Untreated (Unheated
Category

21st Century and Contemporary Japanese Modern Cocktail Rings

Materials

Diamond, Ruby, Platinum

4.14 Carat Unheated Ruby Diamond Gold Pendant, GIA Certified
Located in Beverly Hills, CA
treatments, this 4.14 ruby is exceptional. Rubies over 3 carats are scarce, especially unheated and untreated
Category

21st Century and Contemporary American Pendant Necklaces

Materials

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

Unheated 10.80 Carat Violet Blue Sapphire Diamond 18K Gold Ring
By Emeralds Maravellous
Located in US
Natural Unheated Blue Sapphire and Diamond Cocktail Engagement Ring Centering a big 9.94 carat
Category

2010s American Contemporary Solitaire Rings

Materials

Sapphire, White Diamond, Diamond, Blue Sapphire, Yellow Gold, Gold, 18k ...

Certified 4 Carat Yellow Sapphire & Diamond Halo Ring 'Natural & Untreated'
Located in London, GB
4.01-carat natural untreated Ceylon Yellow Sapphire, skillfully cut in an Asscher shape. The unheated
Category

21st Century and Contemporary English Modern Engagement Rings

Materials

Yellow Sapphire, Diamond, 18k Gold

Men's Jade Ring with Rubies, Diamonds, Custom, 18k, Certified Untreated
Located in Southbury, CT
.15-carat unheated old-cut Burmese ruby and a pair of old European-cut diamonds. All four diamonds
Category

2010s American Artisan Band Rings

Materials

Diamond, Jade, Ruby, 18k Gold

AIG Certified 1.10 Ct Untreated Ruby Diamonds 18K Gold Ring
Located in Massafra, IT
So stunning design and style fir this refined ring in 18k with a unheated ruby from Mozambico of
Category

21st Century and Contemporary Fashion Rings

Materials

Diamond, Ruby, 18k Gold

Estate 25.00 Ct Untreated Red Rubellite 1.80 Ct Diamond Ring
Located in Napoli, IT
25.00 Carats Earth Gift Extraordinary estate ring set with a natural untreated Red Rubellite
Category

Mid-20th Century European Contemporary Cluster Rings

Materials

Diamond, Rubelite, 18k Gold

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

Emeralds Maravellous 13.10 Carat Unheated Ceylon Blue Sapphire Diamond Ring
By Emeralds Maravellous
Located in US
of heat enhancement) Sapphire and diamonds Untreated 100% NATURAL
Category

21st Century and Contemporary Contemporary Engagement Rings

Materials

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

Vintage Cushion Unheated Blue Sapphire GIA and Diamond 3 Stone Ring in Platinum
Located in Scottsdale, AZ
Absolutely breathtaking vintage Cambodian sapphire and diamond ring. The brilliant blue stone
Category

Early 20th Century Unknown Edwardian Three-Stone Rings

Materials

Blue Sapphire, Sapphire, Diamond, Platinum

AIG Certified 4.55 Ct Untreated Mozambique Rubies 6.08 Ct Diamonds Bracelet
Located in Massafra, IT
sophisticated, unique , by Italian designer. Bracelet come in 18k gold with 6 pieces of Natural Unheated
Category

21st Century and Contemporary Modern Bracelets

Materials

Diamond, Ruby, 18k Gold

Victorian 8.80 C. Natural Untreated Sapphire Rose Cut Diamond Drop Earrings
Located in Napoli, IT
selection of 4 oval faceted 100% Natural untreated/unheated Sky Blue Sapphires – Ceylon origin 4 oval
Category

Antique 1880s European Victorian Dangle Earrings

Materials

Diamond, Sapphire, 18k Gold, Silver

Very Fine GIA Certified unheated Ruby & Diamond Earring by Pierre/Famille
Located in Aspen, CO
certificates which state that the fine matched rubies are unheated and untreated. There are 10.29 cts of fine
Category

21st Century and Contemporary American Dangle Earrings

Materials

Diamond, White Diamond, Ruby, Platinum

Antique AGL certified Burmese (Mogok) Unheated Ruby & Diamond Cluster Ring
Located in OVIEDO, AS
Antique, Unique AGL certified Burmese (Mogok) Natural Ruby and Diamond Cluster Ring Untreated
Category

Antique 1840s European Early Victorian Engagement Rings

Materials

Ruby, Diamond, Platinum, 18k Gold

Spectra Fine Jewelry Certified 6.16 Carat Unheated Ruby Diamond Ring
By Spectra Fine Jewelry
Located in New York, NY
time to propose with a ruby ring. This Ruby Diamond Halo Ring, made by Spectra Fine Jewelry in the 21st
Category

21st Century and Contemporary American Modern Cocktail Rings

Materials

Diamond, Ruby, Platinum

GIC Certified 1.07 Carat Ceylon Natural Untreated Sapphire Diamond Gold Ring
Located in Weston, MA
size: US 7.0 "Diana's Legacy" - this GIC Certified 1.07 Ct Ceylon Natural Untreated Sapphire Diamond
Category

2010s American Artist Cocktail Rings

Materials

Sapphire, Diamond, 18k Gold, Gold

GIA Certified 8.94 Carat Unheated KASHMIR Blue Sapphire Oval Diamond Ring
By Antinori Fine Jewels
Located in Rome, IT
This one-of-a-kind piece features a 8.94 unheated and untreated natural blue Kashmir sapphire
Category

2010s Italian Modern Engagement Rings

Materials

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

GIA Certified 1.67ct Untreated Bi Color Sapphire Diamond 18k White Gold Necklace
Located in Birmingham, GB
Natural Untreated Bi Colour Sapphire & Diamond 18k White Gold Pendant Necklace. Rare GIA Certified
Category

21st Century and Contemporary Pendant Necklaces

Materials

Green Sapphire, Yellow Sapphire, Blue Sapphire, Sapphire, White Diamond,...

Gublin Certified 26.88ct Unheated Blue Star Sapphire & 7.41ct Diamond Necklace
Located in Wan Chai District, HK
This timeless elegant Blue Star Sapphire Diamond Pendant Necklace will never go out of style
Category

21st Century and Contemporary Hong Kong Contemporary Pendant Necklaces

Materials

Diamond, Star Sapphire, 18k Gold, White Gold

GFCO Certified 3.63 ct Untreated Ruby 2.34 Ct Diamonds 18K Gold Ring
Located in Massafra, IT
A very piece of art jewels, so refined and exclusive. Sophisticated design with sparkly diamonds
Category

21st Century and Contemporary Cocktail Rings

Materials

Diamond, Ruby, 18k Gold

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Untreated And Unheated Diamonds For Sale on 1stDibs

On 1stDibs, there are many options to choose from in our inventory of untreated and unheated diamonds. All of the items for sale were constructed with extraordinary care, often using gold, 18k gold and platinum. Find a collection of 205 vintage versions or 293 modern creations for a more contemporary example of these cherished accessories. Our inventory has long been popular, and it includes earlier versions that date to the 18th Century and newer variations that were made as recently as the 21st Century. The designs in our inventory of untreated and unheated diamonds bearing contemporary or modern hallmarks are very popular. There have been many well-made iterations of these items over the years, but those made by Gems and Jewels UK, Antinori Fine Jewels and Emilio! are often thought to be among the most beautiful. Many pieces in our collection are stylish for most occasions, but diamond versions, from our inventory of 391, can add a particularly distinctive touch to your look, day or night. A selection of oval cut, cushion cut and round cut can be found today on these pages. There aren’t many items for men in our collection of untreated and unheated diamonds, as most of the options available are for women.

How Much are Untreated And Unheated Diamonds?

Prices for untreated and unheated diamonds can differ depending upon size, time period and other attributes — at 1stDibs, these accessories begin at $90 and can go as high as $6,500,000, while untreated and unheated diamonds, on average, fetch $10,874.