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Sea Green Natural Tourmaline Earrings Loose Gemstones Pair 19.55 Ct Cushion Cut
Located in Peshawar, PK
8.51 mm (10.00 carats). With moderately included clarity, these 100% natural, untreated gems
Category
21st Century and Contemporary Afghan Contemporary Loose Gemstones
Materials
Tourmaline
$2,991 Sale Price / set
40% Off
1.03Ct Natural Colour Change Garnet Pink Purple IGI Certified Heart Cut Gem
By Gems and Jewels UK
Located in Birmingham, GB
1.03Ct Natural Colour Change Garnet Pink Purple IGI Certified Heart Cut Gem
Unique Rare Untreated
Category
21st Century and Contemporary More Jewelry
Vibrant Green Natural Tourmaline Loose Gemstones 4.05 Ct-Ring, Earrings Jewelry
Located in Peshawar, PK
artistry. Mined from the esteemed Kunar region of Afghanistan, these 100% natural, untreated gems display a
Category
21st Century and Contemporary Afghan Contemporary Loose Gemstones
Materials
Tourmaline
$746 Sale Price / set
25% Off
Huge 17.57Ct GIA Certified Green Jadeite Jade ‘A’ Grade Oval Cabochon Rare Gem
By Gems and Jewels UK
Located in Birmingham, GB
to as ‘A’ grade in the trade.
Rare fully certified, very large untreated green jadeite gem.
Category
21st Century and Contemporary More Jewelry
Materials
Jade
Vibrant Green Natural Tourmaline Loose Gemstones 3.20 Ct-Ring, Pendant Jewelry
Located in Peshawar, PK
from the esteemed Kunar region of Afghanistan, these 100% natural, untreated gems display a striking
Category
21st Century and Contemporary Afghan Contemporary Loose Gemstones
Materials
Tourmaline
$734 Sale Price / set
30% Off
Golden
Green Bicolor Natural Tourmaline Ring Loose Gemstone 5.65Ct Octagon Cut
Located in Peshawar, PK
, this untreated gem reflects light beautifully, creating a captivating play of colors. Its unique color
Category
21st Century and Contemporary Brazilian Contemporary Loose Gemstones
Materials
Tourmaline
$615 Sale Price
30% Off
Light Pink
Vibrant Green Natural Tourmaline Loose Gemstones 3.45Ct Emerald Cut
Located in Peshawar, PK
, untreated gems feature moderately included clarity, highlighting their authenticity and organic formation
Category
21st Century and Contemporary Afghan Contemporary Loose Gemstones
Materials
Tourmaline
$215 Sale Price / set
20% Off
Golden
Green Bicolor Natural Tourmaline Ring Loose Gemstone 6.85Ct Emerald Cut
Located in Peshawar, PK
precision-cut octagon emerald shape. With exceptional transparency and an eye-clean clarity, this untreated
Category
21st Century and Contemporary Brazilian Contemporary Loose Gemstones
Materials
Tourmaline
$944 Sale Price
30% Off
Lime Green Natural Peridot Ring Gemstone 5 Ct Octagon Emerald Cut for Jewelry
Located in Peshawar, PK
a 100% natural and untreated gem, it retains its pure, unaltered character, making it a unique and
Category
21st Century and Contemporary Pakistani Contemporary Loose Gemstones
Materials
Peridot
$383 Sale Price
20% Off
7.30ct Rare Jadeite Jade IGI Certified ‘A’ Grade Green Oval Cabochon Blister Gem
By Gems and Jewels UK
Located in Birmingham, GB
in Antwerp, one of their best and most well equipped gem labs.
Totally Untreated Jadeite jade
Category
20th Century More Jewelry
Materials
Jade
Bluish Green Natural Tourmaline Ring Loose Gemstones 1.75 Ct Emerald Cut Jewelry
Located in Peshawar, PK
untreated gems showcase a striking bluish-green hue, exuding elegance and sophistication. Expertly emerald
Category
21st Century and Contemporary Afghan Contemporary Loose Gemstones
Materials
Tourmaline
$391 Sale Price / set
20% Off
Bluish Green Natural Tourmaline Ring Loose Gemstones 2.50 Ct Cushion Cut Jewel
Located in Peshawar, PK
brilliance. Sourced from the renowned Kunar region of Afghanistan, these 100% natural and untreated gems
Category
21st Century and Contemporary Afghan Contemporary Loose Gemstones
Materials
Tourmaline
$507 Sale Price / set
30% Off
Rich Purple Natural Amethyst Necklace Pendant Gemstone 16.95Ct Fancy Cushion Cut
Located in Peshawar, PK
, showcasing its natural beauty without any inclusions visible to the naked eye. This untreated gem is a
Category
21st Century and Contemporary Brazilian Contemporary Loose Gemstones
Materials
Amethyst
$237 Sale Price
30% Off
Pinkish Red Natural Rhodolite Garnet Jewelry Size Loose Gemstones Lot 14.05 Ct
Located in Peshawar, PK
jewelry settings. Sourced from Africa, these untreated gems boast remarkable purity, ensuring their
Category
21st Century and Contemporary Central African Contemporary Loose Gemstones
Materials
Garnet, Rhodolite
$475 Sale Price / set
30% Off
Pinkish Red Natural Rhodolite Garnet Jewelry Size Loose Gemstones Lot 15.65 Ct
Located in Peshawar, PK
high-end jewelry settings. Sourced from Africa, these untreated gems boast remarkable purity, ensuring
Category
21st Century and Contemporary Central African Contemporary Loose Gemstones
Materials
Garnet, Rhodolite
$454 Sale Price / set
34% Off
14KYG Oval Untreated Natural Orange Sapphire Ring
Located in Seattle, WA
A rare natural UNTREATED burnt orange color sapphire and a uniquely beautiful setting makes this a
Category
Late 20th Century Solitaire Rings
Materials
Sapphire, 14k Gold, Yellow Gold
Certified 1.50 Carat
Natural
Untreated
Ruby
Diamond Ring
Located in London, GB
Experience timeless elegance with our custom-made ring featuring a 1.55-carat natural untreated
Category
21st Century and Contemporary English Modern Engagement Rings
Materials
Diamond, Ruby, 18k Gold
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
Pair 11.17 Ct Canary Vivid Yellow Chrysoberyl untreated Precision Cutting
Located in bangkok, TH
CHC01
Collection Gem 11.17 Ct Canary Vivid Yellow Chrysoberyl untreated Gemstone Clean and
Category
2010s Loose Gemstones
Materials
Chrysoberyl
Pinkish Red Natural Rhodolite Garnet Jewelry Size Loose Gemstones Lot 23.90 Ct
Located in Peshawar, PK
Africa, these untreated gems boast remarkable purity, ensuring their natural beauty remains untouched
Category
21st Century and Contemporary Central African Contemporary Loose Gemstones
Materials
Garnet, Rhodolite
$645 Sale Price / set
40% Off
1.39 Ct Natural Untreated Hauyne clarity blue color eye clean Afghanistan
Located in bangkok, TH
gemstone
GEM DESCRIPTION
Species: Natural Sodalite
Variety: Natural Hauyne Untreated
Weight: 1.39ct
Category
2010s Loose Gemstones
Materials
Other
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 1.03ct Deep Blue Sapphire Untreated Heart Cut Natural 6.2x5.4mm
Located in Birmingham, GB
Untreated Deep Blue Heart Cut Sapphire Gem.
1.03 Carat unheated deep blue sapphire. Totally untreated and
Category
21st Century and Contemporary More Jewelry
Materials
Sapphire
GIA Certified Australian Tri Colour Sapphire 0.86ct Oval Cut Untreated 6.3x4.6mm
Located in Birmingham, GB
as natural, untreated and Australian origin. Very rare gem.
This sapphire has excellent clarity, a
Category
21st Century and Contemporary More Jewelry
Materials
Sapphire
Rare Natural Orange Pink Untreated Coral 0.53ct Marquise Cabochon IGI Certified
Located in Birmingham, GB
Rare Natural Orange Pink Untreated Coral 0.53ct Marquise Cabochon IGI Certified
Natural Pink
Category
21st Century and Contemporary More Jewelry
Materials
Sapphire
Rare Natural Orange Pink Untreated Coral 0.81ct Round Cabochon IGI Certified
Located in Birmingham, GB
Coral Gem.
0.81 Carat with an excellent round cabochon cut.
This is a fine piece of natural, untreated
Category
21st Century and Contemporary More Jewelry
Materials
Sapphire
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
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
GIA Platinum 18K Blue Sapphire Diamond Pendant Unheated Ceylon Vintage 11.12 Cts
Located in Sylvania, GA
.
Sapphire Untreated Natural Gem, Sapphire Has No Treatment Whatsoever.
Comes With GIA Paperwork
Category
Antique 19th Century Victorian Pendant Necklaces
Materials
Diamond, Blue Sapphire, Gold, 18k Gold, Platinum
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, ...
GIA Certified Colour Change Garnet 0.88ct Pyrope Spessartine Oval Cut Rare Gem
Located in Birmingham, GB
GIA Certified Colour Change Garnet 0.88ct Pyrope Spessartine Oval Cut Rare Gem
GIA Certified
Category
21st Century and Contemporary More Jewelry
Materials
Garnet
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
$488 Sale Price
42% Off
Natural 6.81ct GIA Certified Deep Green Jadeite Jade ‘a’ Grade Oval Cabochon Gem
Located in Birmingham, GB
, referred to as ‘A’ grade in the trade.
Rare fully certified, very large untreated green jadeite gem.
3This
Category
21st Century and Contemporary More Jewelry
Materials
Jade
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, ...
$16,182 Sale Price
20% Off
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
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
1.20ct GIA Certified Australia Sapphire No Heat Green Yellow Antique Cushion Cut
By Gems and Jewels UK
Located in Birmingham, GB
Untreated Green Yellow Australian Sapphire Gemstone.
1.20 Carat unheated sapphire with a beautiful green
Category
21st Century and Contemporary More Jewelry
Materials
Sapphire
Emerald Cut Ametrine Gemstone: Natural Bolivian February Birthstone
Located in Peshawar, PK
with every angle of light. Even more thrilling, this gem is completely **untreated**, meaning its
Category
2010s South American Loose Gemstones
Materials
Other
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
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
$76,000 Sale Price
20% Off
2.70 Carat Natural Loose Bubblegum Pink Tourmaline Oval Cut Afghan Gemstone
Located in Bangkok, TH
oval cut, it enhances the gem’s natural sparkle and even color distribution. With exceptional clarity
Category
21st Century and Contemporary Afghan Modern Loose Gemstones
Materials
Tourmaline
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
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
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
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
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
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
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
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
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
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
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
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
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
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...
$39,760 Sale Price
35% Off
Sky Blue Swiss Topaz 142.36 Carat Natural Loose Gemstones — Collector’s Lot
Located in Peshawar, PK
sourced from Brazil and 100% untreated, these eye-clean gems embody superior quality and elegance — a
Category
21st Century and Contemporary Brazilian Contemporary Loose Gemstones
Materials
Topaz, Blue Topaz
Natural Bluish Hue Green Tourmaline 4.59 Carat Cushion Cut Loose Gemstones Pair
Located in Peshawar, PK
, both gems exhibit a lively saturation with a cool green tone touched by a subtle blue influence
Category
21st Century and Contemporary Afghan Contemporary Loose Gemstones
Materials
Tourmaline
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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.