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Mid- century Natural Untreated Green Jade Diamond Ring
Mid- century Natural Untreated Green Jade Diamond Ring

Mid- century Natural Untreated Green Jade Diamond Ring

Located in Napoli, IT

Hallmarks: assay Gems: 1 natural untreated cabochon cut green jade of 12.83 mm. x 9.66 mm. – 14 half cut

Category

Vintage 1960s Italian Contemporary Cluster Rings

Materials

Diamond, Jade, 18k Gold

GRS Type Sunset Color Natural Untreated Padparadscha Sapphire 2.02 Carat
GRS Type Sunset Color Natural Untreated Padparadscha Sapphire 2.02 Carat

GRS Type Sunset Color Natural Untreated Padparadscha Sapphire 2.02 Carat

Located in บางรัก, TH

blossom pink and delicate sunset orange. Coveted for its unique color and unmatched rarity, this gem

Category

2010s Malagasy Loose Gemstones

Materials

Sapphire, Padparadscha Sapphire

GIA Certified 8.53 Carat Spessartine Garnet & Triangle Diamond Pendant Necklace
GIA Certified 8.53 Carat Spessartine Garnet & Triangle Diamond Pendant Necklace

GIA Certified 8.53 Carat Spessartine Garnet & Triangle Diamond Pendant Necklace

Located in Miami, FL

identity with no comments or treatments noted, making this a completely natural, untreated gem of

Category

21st Century and Contemporary Contemporary Pendant Necklaces

Materials

Diamond, Garnet, Gold, 18k Gold, White Gold, Yellow Gold

4.75 Carat Natural Loose Untreated Aquamarine Two Set For Jewellery Making
4.75 Carat Natural Loose Untreated Aquamarine Two Set For Jewellery Making

4.75 Carat Natural Loose Untreated Aquamarine Two Set For Jewellery Making

Located in Peshawar, PK

"marina," meaning water and sea, respectively. This gem belongs to the beryl family, sharing its lineage

Category

21st Century and Contemporary Pakistani Arts and Crafts Loose Gemstones

Materials

Aquamarine

Loupe Clean Long Emerald Shape Natural loose Untreated Aquamarine 15.40 Carat
Loupe Clean Long Emerald Shape Natural loose Untreated Aquamarine 15.40 Carat

Loupe Clean Long Emerald Shape Natural loose Untreated Aquamarine 15.40 Carat

Located in Peshawar, PK

, respectively. This gem belongs to the beryl family, sharing its lineage with emeralds and morganite. The

Category

21st Century and Contemporary Pakistani Arts and Crafts Loose Gemstones

Materials

Aquamarine

Fourteen Carats Gems Cocktail Ring With Sapphire and Paraiba Tourmalines
Fourteen Carats Gems Cocktail Ring With Sapphire and Paraiba Tourmalines

Fourteen Carats Gems Cocktail Ring With Sapphire and Paraiba Tourmalines

By Polya Medvedeva Jewellery

Located in Berlin, DE

limited edition collection. Gems, natural, untreated: Cushion cut fancy pink sapphire, 6.63 carats

Category

21st Century and Contemporary German Contemporary Cocktail Rings

Materials

Garnet, Sapphire, Blue Sapphire, Pink Sapphire, Green Sapphire, Spinel, ...

10.50 carats Loose Aquamarine Goshenite Stone Oval Cut Natural Pakistani Gem
10.50 carats Loose Aquamarine Goshenite Stone Oval Cut Natural Pakistani Gem

10.50 carats Loose Aquamarine Goshenite Stone Oval Cut Natural Pakistani Gem

Located in Bangkok, TH

aesthetic. This natural gem is untreated, preserving its authentic character, and makes a stunning choice

Category

21st Century and Contemporary Pakistani Modern Loose Gemstones

Materials

Aquamarine

Platinum Sapphire Unheated Purple Diamond GIA Ring Antique Old Mine 17.37 CTS!
Platinum Sapphire Unheated Purple Diamond GIA Ring Antique Old Mine 17.37 CTS!

Platinum Sapphire Unheated Purple Diamond GIA Ring Antique Old Mine 17.37 CTS!

Located in Sylvania, GA

and Clarity. Only The Top 1% Of Sapphires Don't Need It. These Untreated Gems Are the Most Valuable

Category

Antique 19th Century Cocktail Rings

Materials

Diamond, Sapphire, Purple Sapphire, Gold, 18k Gold, Yellow Gold, Platinum

Eighteen Karat White Gold Fourteen Carats Gems Cluster Ring with Pink Sapphire
Eighteen Karat White Gold Fourteen Carats Gems Cluster Ring with Pink Sapphire

Eighteen Karat White Gold Fourteen Carats Gems Cluster Ring with Pink Sapphire

By Polya Medvedeva Jewellery

Located in Berlin, DE

same year. It belongs to the limited edition collection. Gems, natural, untreated: Cushion cut fancy

Category

21st Century and Contemporary German Contemporary Cluster Rings

Materials

Garnet, Sapphire, Blue Sapphire, Pink Sapphire, Green Sapphire, Spinel, ...

2.33ct Titanium Spinel Natural Gia Certified Grey Blue Oval Cut Gemstone
2.33ct Titanium Spinel Natural Gia Certified Grey Blue Oval Cut Gemstone

2.33ct Titanium Spinel Natural Gia Certified Grey Blue Oval Cut Gemstone

By Gems and Jewels UK

Located in Birmingham, GB

2.33ct Titanium Spinel Natural Gia Certified Grey Blue Oval Cut Gemstone 2.33 Carat untreated

Category

21st Century and Contemporary More Jewelry

Materials

Spinel

2.65 Carat Fiery Golden Honey Natural Sphene (Titanite) Round Cut Loose Gemstone
2.65 Carat Fiery Golden Honey Natural Sphene (Titanite) Round Cut Loose Gemstone

2.65 Carat Fiery Golden Honey Natural Sphene (Titanite) Round Cut Loose Gemstone

Located in Peshawar, PK

, Untreated Rare Sparkling Gem for Custom Rings, Engagement Rings, Fine Jewelry, Designer & Statement

Category

21st Century and Contemporary Malagasy Contemporary Loose Gemstones

Materials

Other

X Fruity Spring Emerald Ruby Earrings
X Fruity Spring Emerald Ruby Earrings

X Fruity Spring Emerald Ruby Earrings

Located in Stockholm, SE

gemstones and diamonds provide intrinsic, portable wealth. As demand for untreated, naturally vivid gems

Category

2010s Art Nouveau Clip-on Earrings

Materials

Diamond, Emerald, Ruby, 18k Gold

Natural Yellowish Green Sphene (Titanite) 6.67 Carat Oval Cut Loose Gemstone
Natural Yellowish Green Sphene (Titanite) 6.67 Carat Oval Cut Loose Gemstone

Natural Yellowish Green Sphene (Titanite) 6.67 Carat Oval Cut Loose Gemstone

Located in Peshawar, PK

, Investment Gem Ideal for Ring, Pendant, and Custom Jewelry Settings. 💎 GEMSTONE TYPE: Sphene (Titanite) ⚖️

Category

21st Century and Contemporary Malagasy Contemporary Loose Gemstones

Materials

Other

8.11 ct. Ceylon No-Heat Alexandrite & Diamond 18K White Gold Ring
8.11 ct. Ceylon No-Heat Alexandrite & Diamond 18K White Gold Ring

8.11 ct. Ceylon No-Heat Alexandrite & Diamond 18K White Gold Ring

By Spectra Fine Jewelry

Located in New York, NY

light. Certified by Gubelin as natural and untreated, the gem is framed by a radiant wreath of pear and

Category

21st Century and Contemporary American Engagement Rings

Materials

Alexandrite, Diamond, Gold, 18k Gold, White Gold

Teal Blue Natural Tourmaline Cushion Cut 1.91 Carat Loose Gemstone for Ring
Teal Blue Natural Tourmaline Cushion Cut 1.91 Carat Loose Gemstone for Ring

Teal Blue Natural Tourmaline Cushion Cut 1.91 Carat Loose Gemstone for Ring

Located in Peshawar, PK

the renowned mines of Kunar, Afghanistan, this gem is completely untreated, preserving its pure and

Category

21st Century and Contemporary Afghan Contemporary Loose Gemstones

Materials

Tourmaline

9.82 Carat Watermelon Bicolor Natural Tourmaline Emerald Cut Loose Gemstone
9.82 Carat Watermelon Bicolor Natural Tourmaline Emerald Cut Loose Gemstone

9.82 Carat Watermelon Bicolor Natural Tourmaline Emerald Cut Loose Gemstone

Located in Peshawar, PK

enthusiasts and investors alike. A natural, untreated investment-grade gem that offers both rarity and

Category

21st Century and Contemporary Afghan Contemporary Loose Gemstones

Materials

Tourmaline

Gorgeous Vintage Tiffany & Co. Natural Ruby and Diamond Ring
Gorgeous Vintage Tiffany & Co. Natural Ruby and Diamond Ring

Gorgeous Vintage Tiffany & Co. Natural Ruby and Diamond Ring

By Tiffany & Co.

Located in Chicago, IL

. Completely unheated and untreated, this gem represents the pure beauty of a natural earth-mined ruby. The

Category

Vintage 1950s American Solitaire Rings

Materials

Diamond, White Diamond, Ruby, Platinum

47.15 Carat Natural Loose Blue Tourmaline Stone Emerald Cut Afghan Gemstone
47.15 Carat Natural Loose Blue Tourmaline Stone Emerald Cut Afghan Gemstone

47.15 Carat Natural Loose Blue Tourmaline Stone Emerald Cut Afghan Gemstone

Located in Bangkok, TH

. Originating from the renowned mines of Afghanistan, this gem radiates a captivating blue tone that evokes

Category

21st Century and Contemporary Afghan Modern Loose Gemstones

Materials

Tourmaline

Natural Lime Green Peridot Octagon Cut 3.04 Carat Loose Gemstone for Ring
Natural Lime Green Peridot Octagon Cut 3.04 Carat Loose Gemstone for Ring

Natural Lime Green Peridot Octagon Cut 3.04 Carat Loose Gemstone for Ring

Located in Peshawar, PK

and gem enthusiasts value. Untreated and 100% natural, this peridot shows slight inclusions typical

Category

21st Century and Contemporary Pakistani Contemporary Loose Gemstones

Materials

Peridot

Vivid Green Natural Peridot Cushion Cut 37.87 Carat Loose Gemstones Parcel
Vivid Green Natural Peridot Cushion Cut 37.87 Carat Loose Gemstones Parcel

Vivid Green Natural Peridot Cushion Cut 37.87 Carat Loose Gemstones Parcel

Located in Peshawar, PK

natural material, these gems remain completely untreated, preserving their 100% natural integrity. Sourced

Category

21st Century and Contemporary Pakistani Contemporary Loose Gemstones

Materials

Peridot

AGL Certified 37.53 Carat No Oil Emerald & Diamond Ring
AGL Certified 37.53 Carat No Oil Emerald & Diamond Ring

AGL Certified 37.53 Carat No Oil Emerald & Diamond Ring

Located in West Palm Beach, FL

believed to be the largest known gem-quality, untreated (no oil) Russian emerald in existence. The

Category

21st Century and Contemporary American Modern Cocktail Rings

Materials

Diamond, Emerald, 18k Gold

10K White Gold 5X3MM Oval Red Garnet and Diamond Accent Halo Ring
10K White Gold 5X3MM Oval Red Garnet and Diamond Accent Halo Ring

10K White Gold 5X3MM Oval Red Garnet and Diamond Accent Halo Ring

Located in New York, NY

garnet, its deep, natural hues left untreated to showcase the gem’s innate richness—evoking the warmth

Category

21st Century and Contemporary Chinese Modern Fashion Rings

Materials

Garnet, Diamond, White Gold, 10k Gold, Gold

10K White Gold 5X3MM Oval Red Garnet and Diamond Accent Halo Ring
10K White Gold 5X3MM Oval Red Garnet and Diamond Accent Halo Ring

10K White Gold 5X3MM Oval Red Garnet and Diamond Accent Halo Ring

Located in New York, NY

garnet, its deep, natural hues left untreated to showcase the gem’s innate richness—evoking the warmth

Category

21st Century and Contemporary Chinese Modern Fashion Rings

Materials

Garnet, Diamond, White Gold, 10k Gold, Gold

10K White Gold 5X3MM Oval Red Garnet and Diamond Accent Halo Ring
10K White Gold 5X3MM Oval Red Garnet and Diamond Accent Halo Ring

10K White Gold 5X3MM Oval Red Garnet and Diamond Accent Halo Ring

Located in New York, NY

garnet, its deep, natural hues left untreated to showcase the gem’s innate richness—evoking the warmth

Category

21st Century and Contemporary Chinese Modern Fashion Rings

Materials

Garnet, Diamond, White Gold, 10k Gold, Gold

10K White Gold 5X3MM Oval Red Garnet and Diamond Accent Halo Ring
10K White Gold 5X3MM Oval Red Garnet and Diamond Accent Halo Ring

10K White Gold 5X3MM Oval Red Garnet and Diamond Accent Halo Ring

Located in New York, NY

garnet, its deep, natural hues left untreated to showcase the gem’s innate richness—evoking the warmth

Category

21st Century and Contemporary Chinese Modern Fashion Rings

Materials

Garnet, Diamond, White Gold, 10k Gold, Gold

10K White Gold 5X3MM Oval Red Garnet and Diamond Accent Halo Ring
10K White Gold 5X3MM Oval Red Garnet and Diamond Accent Halo Ring

10K White Gold 5X3MM Oval Red Garnet and Diamond Accent Halo Ring

Located in New York, NY

garnet, its deep, natural hues left untreated to showcase the gem’s innate richness—evoking the warmth

Category

21st Century and Contemporary Chinese Modern Fashion Rings

Materials

Garnet, Diamond, White Gold, 10k Gold, Gold

10K White Gold 5X3MM Oval Red Garnet and Diamond Accent Halo Ring
10K White Gold 5X3MM Oval Red Garnet and Diamond Accent Halo Ring

10K White Gold 5X3MM Oval Red Garnet and Diamond Accent Halo Ring

Located in New York, NY

garnet, its deep, natural hues left untreated to showcase the gem’s innate richness—evoking the warmth

Category

21st Century and Contemporary Chinese Modern Fashion Rings

Materials

Garnet, Diamond, White Gold, 10k Gold, Gold

10K White Gold 5X3MM Oval Red Garnet and Diamond Accent Halo Ring
10K White Gold 5X3MM Oval Red Garnet and Diamond Accent Halo Ring

10K White Gold 5X3MM Oval Red Garnet and Diamond Accent Halo Ring

Located in New York, NY

garnet, its deep, natural hues left untreated to showcase the gem’s innate richness—evoking the warmth

Category

21st Century and Contemporary Chinese Modern Fashion Rings

Materials

Garnet, Diamond, White Gold, 10k Gold, Gold

4.95 Carat Natural Loose Pinkish Red Umbalite Garnet Cushion Cut From Tanzania
4.95 Carat Natural Loose Pinkish Red Umbalite Garnet Cushion Cut From Tanzania

4.95 Carat Natural Loose Pinkish Red Umbalite Garnet Cushion Cut From Tanzania

Located in Bangkok, TH

brilliance. Untreated and 100% natural, this gem is ideal for custom fine jewelry or as a standout piece in a

Category

21st Century and Contemporary Tanzanian Modern Loose Gemstones

Materials

Garnet

3.55 Carat Natural Loose Green Tourmaline Stone Emerald Cut Afghan Gemstone
3.55 Carat Natural Loose Green Tourmaline Stone Emerald Cut Afghan Gemstone

3.55 Carat Natural Loose Green Tourmaline Stone Emerald Cut Afghan Gemstone

Located in Bangkok, TH

, offering a vibrant yet soothing appearance. Untreated and 100% natural, this gem is ideal for creating high

Category

21st Century and Contemporary Afghan Modern Loose Gemstones

Materials

Tourmaline

7.25 Carat Natural Loose Madeira Citrine Stone Custom Cut Brazilian Gemstone
7.25 Carat Natural Loose Madeira Citrine Stone Custom Cut Brazilian Gemstone

7.25 Carat Natural Loose Madeira Citrine Stone Custom Cut Brazilian Gemstone

Located in Bangkok, TH

reflection, giving the stone a vivid, glowing appearance from every angle. Untreated and ethically sourced

Category

21st Century and Contemporary Brazilian Modern Loose Gemstones

Materials

Citrine

GIA Certified Natural Star Ruby 14.88 Carat Form Vietnam
GIA Certified Natural Star Ruby 14.88 Carat Form Vietnam

GIA Certified Natural Star Ruby 14.88 Carat Form Vietnam

Located in บางรัก, TH

beautiful gem into a truly enchanted treasure. 🧾 Certified, Untreated, and Rare This gem comes certified

Category

2010s Vietnamese Loose Gemstones

Materials

Ruby, Star Ruby

0.98 Carats Cushion Cut AGL Certified No oil
0.98 Carats Cushion Cut AGL Certified No oil

0.98 Carats Cushion Cut AGL Certified No oil

Located in Hong Kong, HK

untreated feature ensures that the gem remains in its purest, most authentic form, further elevating its

Category

21st Century and Contemporary Colombian Loose Gemstones

Materials

Emerald

White Gold Italian Style Serpent Ring with Blue Paraiba Tourmaline
White Gold Italian Style Serpent Ring with Blue Paraiba Tourmaline

White Gold Italian Style Serpent Ring with Blue Paraiba Tourmaline

By Polya Medvedeva Jewellery

Located in Berlin, DE

This contemporary Italian Style engagement ring is in 18 karat white gold with natural untreated

Category

21st Century and Contemporary German Classical Roman Engagement Rings

Materials

Tourmaline, Paraiba, Gold, 14k Gold, 18k Gold, Rose Gold, White Gold, Ye...

1.65 Carat Natural Loose Sea Blue Aquamarine Oval Cut Madagascar's Gemstone
1.65 Carat Natural Loose Sea Blue Aquamarine Oval Cut Madagascar's Gemstone

1.65 Carat Natural Loose Sea Blue Aquamarine Oval Cut Madagascar's Gemstone

Located in Bangkok, TH

choice for a bespoke ring, pendant, or fine jewelry creation. Untreated and natural, this gem embodies

Category

21st Century and Contemporary Malagasy Modern Loose Gemstones

Materials

Aquamarine

Certified 3.95ct Purplish Red spinel pair, top quality, precision cut spinels
Certified 3.95ct Purplish Red spinel pair, top quality, precision cut spinels

Certified 3.95ct Purplish Red spinel pair, top quality, precision cut spinels

Located in Singapore, SG

premium sealed packaging, making it an ideal gift for the discerning gem collector or jewelry enthusiast

Category

21st Century and Contemporary Singaporean Art Deco Loose Gemstones

Materials

Spinel, 18k Gold, White Gold

2.90 Carat Natural Loose Umbalite Garnet Pair Cushion Cut Gemstone
2.90 Carat Natural Loose Umbalite Garnet Pair Cushion Cut Gemstone

2.90 Carat Natural Loose Umbalite Garnet Pair Cushion Cut Gemstone

Located in Peshawar, PK

fact that it is typically untreated, making each gem a natural treasure.

Category

21st Century and Contemporary Tanzanian Arts and Crafts Loose Gemstones

Materials

Garnet

925 Sterling Silver Tanzanite Cubic zirconia Butterfly Ring Oval Cut Tanzanite
925 Sterling Silver Tanzanite Cubic zirconia Butterfly Ring Oval Cut Tanzanite

925 Sterling Silver Tanzanite Cubic zirconia Butterfly Ring Oval Cut Tanzanite

Located in New York, NY

, untreated Tanzanite stones. Our gems are 100 percent genuine and natural, offering you the highest quality

Category

21st Century and Contemporary Central American Art Deco Bridal Rings

Materials

Tanzanite, Zircon, Sterling Silver, Silver

Natural Tanzanite 925 Sterling Silver 2.34 Cts Oval Cut Cockital Ring For Women
Natural Tanzanite 925 Sterling Silver 2.34 Cts Oval Cut Cockital Ring For Women

Natural Tanzanite 925 Sterling Silver 2.34 Cts Oval Cut Cockital Ring For Women

Located in New York, NY

our shop, knowing that we only sell natural, untreated Tanzanite stones. Our gems are 100 percent

Category

21st Century and Contemporary Central American Art Deco Bridal Rings

Materials

Tanzanite, Zircon, Sterling Silver, Silver

Statement Tanzanite Marquise and Round Diamond Ring in 18K Gold Plated Jewelry
Statement Tanzanite Marquise and Round Diamond Ring in 18K Gold Plated Jewelry

Statement Tanzanite Marquise and Round Diamond Ring in 18K Gold Plated Jewelry

Located in New York, NY

our shop, knowing that we only sell natural, untreated Tanzanite stones. Our gems are 100 percent

Category

21st Century and Contemporary Central American Art Deco Bridal Rings

Materials

Tanzanite, Zircon, Sterling Silver, 18k Gold

Five Stone Tanzanite Ring in Sterling Silver  December Birthstone Stacking Ring
Five Stone Tanzanite Ring in Sterling Silver  December Birthstone Stacking Ring

Five Stone Tanzanite Ring in Sterling Silver December Birthstone Stacking Ring

Located in New York, NY

, untreated Tanzanite stones. Our gems are 100 percent genuine and natural, offering you the highest quality

Category

21st Century and Contemporary Central American Art Deco Bridal Rings

Materials

Tanzanite, Zircon, White Gold, Sterling Silver, Silver

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Untreated Gems For Sale on 1stDibs

There is a broad range of untreated gems for sale on 1stDibs. These distinct designs — crafted with great care and often made from gold, silver and 18k gold — can elevate any look. Find a collection of 76 vintage versions or 658 modern creations for a more contemporary example of these cherished accessories. Our collection is diverse and broad-ranging, and pieces in stock date back to the 18th Century while others were produced as recently as the 21st Century. Pieces in our collection of untreated gems made by Art Deco jewelers — as well as those associated with contemporary — are very popular. Versions of these items have been a part of the life’s work for many jewelers, but those produced by Gems and Jewels UK, Polya Medvedeva Jewellery and Merkaba are consistently popular. Lovers of these pieces agree that it’s a versatile accessory, but a selection from our variety of 290 sapphire versions can add an especially stylish touch. A selection of oval cut, round cut and cushion cut can be found today on these pages. When shopping our range of untreated gems, you’ll find that there are less available pieces for men today than there are for women.

How Much are Untreated Gems?

Prices for untreated gems can differ depending upon size, time period and other attributes — at 1stDibs, these accessories begin at $34 and can go as high as $6,500,000, while untreated gems, on average, fetch $2,423.