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GIA Certified Australian Tri Colour Sapphire 0.86ct Oval Cut Untreated 6.3x4.6mm
GIA Certified Australian Tri Colour Sapphire 0.86ct Oval Cut Untreated 6.3x4.6mm

GIA Certified Australian Tri Colour Sapphire 0.86ct Oval Cut Untreated 6.3x4.6mm

Located in Birmingham, GB

Fully certified by GIA confirming stone as natural, untreated and Australian origin. Very rare gem. This sapphire has excellent clarity, a very clean stone.

Category

21st Century and Contemporary More Jewelry

Materials

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

The GIA report, dated December 16, 2025, confirms the stone's identity with no comments or treatments noted, making this a completely natural, untreated gem of significant collector ...

Category

21st Century and Contemporary Contemporary Pendant Necklaces

Materials

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

Rare Natural Orange Pink Untreated Coral 0.53ct Marquise Cabochon IGI Certified
Rare Natural Orange Pink Untreated Coral 0.53ct Marquise Cabochon IGI Certified

Rare Natural Orange Pink Untreated Coral 0.53ct Marquise Cabochon IGI Certified

By Gemsandjewelsuk

Located in Birmingham, GB

Rare Natural Orange Pink Untreated Coral 0.53ct Marquise Cabochon IGI Certified Natural Pink Orange Coral Gem. 0.53 Carat with an excellent marquise cabochon cut.

Category

21st Century and Contemporary More Jewelry

Materials

Sapphire

Rare Natural Orange Pink Untreated Coral 0.81ct Round Cabochon IGI Certified
Rare Natural Orange Pink Untreated Coral 0.81ct Round Cabochon IGI Certified

Rare Natural Orange Pink Untreated Coral 0.81ct Round Cabochon IGI Certified

By Gemsandjewelsuk

Located in Birmingham, GB

Rare Natural Orange Pink Untreated Coral 0.81ct Round Cabochon IGI Certified Natural Pink Orange Coral Gem. 0.81 Carat with an excellent round cabochon cut.

Category

21st Century and Contemporary More Jewelry

Materials

Sapphire

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

Loose Aquamarine Set Weight: 4.75 Carat Sizes: Upper Aquamarine Pair: 3.60 Carat Lower Aquamarine Pair : 1.15 Carat Colour : Pale Blue Origin: Shigar Valley, Pakistan Treatment: Non ...

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

Loose Aquamarine Weight: 15.40 Carat Dimension: 20.4 x 10.1 x 8.3 Mm Colour : Pale Blue Origin: Shigar Valley, Pakistan Treatment: Non Certificate : On Demand Shape: Emerald Aquama...

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

It belongs to the limited edition collection. Gems, natural, untreated: Cushion cut fancy pink sapphire, 6.63 carats, 12.4x10 mm.

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

Known for its colorless purity, goshenite is a rare and valuable member of the beryl family, often treasured for its subtle, refined aesthetic. This natural gem is untreated, preserv...

Category

21st Century and Contemporary Pakistani Modern Loose Gemstones

Materials

Aquamarine

GIA Certified Colour Change Garnet 0.88ct Pyrope Spessartine Oval Cut Rare Gem
GIA Certified Colour Change Garnet 0.88ct Pyrope Spessartine Oval Cut Rare Gem

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 Untreated Colour Change Garnet Gemstone. 0.88 Carat untreated garnet with a rare colo...

Category

21st Century and Contemporary More Jewelry

Materials

Garnet

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

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

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

It belongs to the limited edition collection. Gems, natural, untreated: Cushion cut fancy pink sapphire, 6.63 carats, 12.4x10 mm.

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

A fine, top grade, certified untreated spinel. A unique rare gem. This item is tested by a gemmologist with the following qualifications: - Distinction grade in gemmology with the G...

Category

21st Century and Contemporary More Jewelry

Materials

Spinel

1.20ct GIA Certified Australia Sapphire No Heat Green Yellow Antique Cushion Cut
1.20ct GIA Certified Australia Sapphire No Heat Green Yellow Antique Cushion Cut

1.20ct GIA Certified Australia Sapphire No Heat Green Yellow Antique Cushion Cut

By Gems and Jewels UK

Located in Birmingham, GB

Fully certified by GIA confirming stone as natural, Australian origin and untreated. Very rare gem. This sapphire has excellent clarity, a very clean stone.

Category

21st Century and Contemporary More Jewelry

Materials

Sapphire

Kat Florence Diamond Bracelet 2.13ct Pink Sapphire with D Flawless Diamonds
Kat Florence Diamond Bracelet 2.13ct Pink Sapphire with D Flawless Diamonds

Kat Florence Diamond Bracelet 2.13ct Pink Sapphire with D Flawless Diamonds

Located in Andorra La Vella, AD

Sourced from the renowned Ilakaka deposit in Madagascar, known for its sapphire discovery in 1998, this stone reflects one of the most coveted origins in the gem world. Untreated sap...

Category

2010s Malagasy Contemporary Modern Bracelets

Materials

Diamond, Pink Sapphire, 18k Gold

Unheated 1.11ct Burma Ruby No Heat GIA Certificate - Superb!
Unheated 1.11ct Burma Ruby No Heat GIA Certificate - Superb!

Unheated 1.11ct Burma Ruby No Heat GIA Certificate - Superb!

Located in bangkok, TH

An absolutely magnificent, absolutely superb quality unheated, untreated ruby from the famed gem mines of Myanmar Burma weighing 1.11ct.

Category

2010s Loose Gemstones

Materials

Ruby

Natural Purplish Red Pink Rhodolite Garnet 4.09 Ct Emerald Cut Loose Gemstone
Natural Purplish Red Pink Rhodolite Garnet 4.09 Ct Emerald Cut Loose Gemstone

Natural Purplish Red Pink Rhodolite Garnet 4.09 Ct Emerald Cut Loose Gemstone

Located in Peshawar, PK

Expertly fashioned in an elegant emerald cut, its eye-clean clarity and precise faceting enhance the gemstone’s vibrant color and remarkable sparkle. Untreated and 100% natural, this...

Category

2010s Tanzanian Contemporary Loose Gemstones

Materials

Garnet, Rhodolite

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

Natural Sphene (Titanite) Round Cut Loose Gemstone – Fiery Golden Honey Color with Fire Flashes, Untreated Rare Sparkling Gem for Custom Rings, Engagement Rings, Fine Jewelry, Design...

Category

21st Century and Contemporary Malagasy Contemporary Loose Gemstones

Materials

Other

Soft Pink Natural Morganite 4.15 Carat Radiant Cut Loose Gemstone for Ring
Soft Pink Natural Morganite 4.15 Carat Radiant Cut Loose Gemstone for Ring

Soft Pink Natural Morganite 4.15 Carat Radiant Cut Loose Gemstone for Ring

Located in Peshawar, PK

Measuring 10 x 10 x 6.5 mm, this eye-clean gemstone offers exceptional clarity and a refined sparkle, making it a standout choice for those seeking a high-quality, untreated beryl ge...

Category

2010s Pakistani Contemporary Loose Gemstones

Materials

Morganite

Peachy Bubblegum Pink Natural Tourmaline 4.71 Carat Cushion Cut Loose Gemstones
Peachy Bubblegum Pink Natural Tourmaline 4.71 Carat Cushion Cut Loose Gemstones

Peachy Bubblegum Pink Natural Tourmaline 4.71 Carat Cushion Cut Loose Gemstones

Located in Peshawar, PK

Peachy Bubblegum Pink Natural Tourmaline Cushion Cut Loose Gemstone Vibrant Pink Tourmaline Loose Stones for Ring Pendant Earrings Fine Jewelry Making High Quality Natural Tourmaline...

Category

2010s Afghan Contemporary Loose Gemstones

Materials

Tourmaline

Lime Green Natural Peridot 4.19 Carat Octagon Step Cut Loose Gemstone for Ring
Lime Green Natural Peridot 4.19 Carat Octagon Step Cut Loose Gemstone for Ring

Lime Green Natural Peridot 4.19 Carat Octagon Step Cut Loose Gemstone for Ring

Located in Peshawar, PK

Mined from the renowned Supat region of Kohistan, Pakistan, this 4.19 carat gemstone features an elegant elongated shape and lively color, making it a striking choice for fine rings,...

Category

2010s Pakistani Contemporary Loose Gemstones

Materials

Peridot

Vivid Green Natural Peridot 3.91 Carat Cushion Cut Loose Gemstone for Ring
Vivid Green Natural Peridot 3.91 Carat Cushion Cut Loose Gemstone for Ring

Vivid Green Natural Peridot 3.91 Carat Cushion Cut Loose Gemstone for Ring

Located in Peshawar, PK

Sourced from the renowned Supat region of Kohistan, Pakistan, this earth-mined Peridot showcases the unique character and quality prized by collectors and gem enthusiasts. Untreated...

Category

2010s Pakistani Contemporary Loose Gemstones

Materials

Peridot

Vivid Green Natural Peridot 3.94 Carat Cushion Cut Loose Gemstone for Ring
Vivid Green Natural Peridot 3.94 Carat Cushion Cut Loose Gemstone for Ring

Vivid Green Natural Peridot 3.94 Carat Cushion Cut Loose Gemstone for Ring

Located in Peshawar, PK

Sourced from the renowned Supat region of Kohistan, Pakistan, this earth-mined Peridot showcases the unique character and quality prized by collectors and gem enthusiasts. Untreated...

Category

2010s Pakistani Contemporary Loose Gemstones

Materials

Peridot

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

X Fruity Spring Emerald Ruby Earrings

Located in Stockholm, SE

Unlike volatile financial instruments, rare colored gemstones and diamonds provide intrinsic, portable wealth. As demand for untreated, naturally vivid gems rises globally, such pie...

Category

2010s Art Nouveau Clip-on Earrings

Materials

Diamond, Emerald, Ruby, 18k Gold

9.88 Carat Spinel Burma No Heat And Diamond Engagement Ring. Gubelin Certified.
9.88 Carat Spinel Burma No Heat And Diamond Engagement Ring. Gubelin Certified.

9.88 Carat Spinel Burma No Heat And Diamond Engagement Ring. Gubelin Certified.

By MOGULDIAM INC

Located in New York, NY

Celebrated for its natural purity, spinel is untreated, making this gem's rich color all the more captivating.

Category

2010s Engagement Rings

Materials

Diamond, Spinel

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

Mined from Africa and completely untreated, this gem preserves its natural beauty and rarity.

Category

21st Century and Contemporary Malagasy Contemporary Loose Gemstones

Materials

Other

1.95 Carat Natural Loose Bi Color Ametrine Stone Cushion Cut African Gemstone
1.95 Carat Natural Loose Bi Color Ametrine Stone Cushion Cut African Gemstone

1.95 Carat Natural Loose Bi Color Ametrine Stone Cushion Cut African Gemstone

Located in Bangkok, TH

Its balanced proportions and fine faceting allow light to move effortlessly through the stone, highlighting both hues with exceptional sparkle. Untreated and naturally formed, this g...

Category

21st Century and Contemporary Modern 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

Certified by Gubelin as natural and untreated, the gem is framed by a radiant wreath of pear and oval diamonds totaling 4.48 carats, graded F-G color and VS clarity, with additional ...

Category

21st Century and Contemporary American Engagement Rings

Materials

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

Unheated 1.00ct Burma Ruby Pigeon’s Blood No Heat Pendant AIGS - Wonderful!
Unheated 1.00ct Burma Ruby Pigeon’s Blood No Heat Pendant AIGS - Wonderful!

Unheated 1.00ct Burma Ruby Pigeon’s Blood No Heat Pendant AIGS - Wonderful!

Located in bangkok, TH

An absolutely magnificent, absolutely lovely quality platinum pendant featuring an unheated, untreated ruby from the famed gem mines of Myanmar Burma weighing 1.00ct.

Category

2010s Pendant Necklaces

Materials

Ruby, Platinum

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

Sourced from the renowned mines of Kunar, Afghanistan, this gem is completely untreated, preserving its pure and authentic beauty.

Category

21st Century and Contemporary Afghan Contemporary Loose Gemstones

Materials

Tourmaline

Emerald Cut Ametrine Gemstone: Natural Bolivian February Birthstone 54.52 CTs
Emerald Cut Ametrine Gemstone: Natural Bolivian February Birthstone 54.52 CTs

Emerald Cut Ametrine Gemstone: Natural Bolivian February Birthstone 54.52 CTs

Located in Peshawar, PK

Even more thrilling, this gem is completely **untreated**, meaning its flawless color division and luminosity are entirely natural—a remarkable rarity in the gemstone world!

Category

2010s South American Loose Gemstones

Materials

Other

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.

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

Its exceptional size and fine transparency make it a rare collector’s piece, perfect for creating luxurious statement jewelry or as a prized addition to any gem collection. Untreated...

Category

21st Century and Contemporary Afghan Modern Loose Gemstones

Materials

Tourmaline

Vivid Green Natural Peridot Pear Cut 6.75 Carat Loose Gemstones Parcel, Pakistan
Vivid Green Natural Peridot Pear Cut 6.75 Carat Loose Gemstones Parcel, Pakistan

Vivid Green Natural Peridot Pear Cut 6.75 Carat Loose Gemstones Parcel, Pakistan

Located in Peshawar, PK

With a total weight of 6.75 carats, each stone displays a lively, fresh green hue and excellent brilliance, enhanced by precise faceting that maximizes light reflection. These earth-...

Category

2010s Pakistani Contemporary Loose Gemstones

Materials

Peridot

AIG Certified Natural Color Change Spinel Gemstone, Top Grade Spinel 1.64 CTs
AIG Certified Natural Color Change Spinel Gemstone, Top Grade Spinel 1.64 CTs

AIG Certified Natural Color Change Spinel Gemstone, Top Grade Spinel 1.64 CTs

Located in Peshawar, PK

weight : 1.64 Carats Dimensions - 7.14 * 5.85 * 4.82 MM Color : Blue/Purple Clarity : Loupe Clean Treatment :Natural Origin : Tanzania Hardness : 7.5-8 Family : Oxide This stunning...

Category

2010s Tanzanian Loose Gemstones

Materials

Spinel

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

Originating from the storied Ural Mountains, this gemstone is not only a marvel of nature and craftsmanship—it is believed to be the largest known gem-quality, untreated (no oil) Rus...

Category

21st Century and Contemporary American Modern Cocktail Rings

Materials

Diamond, Emerald, 18k Gold

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

Mined from the renowned deposits of Supat, Kohistan in Pakistan, this earth-formed crystal reflects the natural beauty and character that collectors and gem enthusiasts value. Untre...

Category

21st Century and Contemporary Pakistani Contemporary Loose Gemstones

Materials

Peridot

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

At its heart lies a mesmerizing 5x3mm oval red garnet, its deep, natural hues left untreated to showcase the gem’s innate richness—evoking the warmth and intensity of glowing embers.

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

At its heart lies a mesmerizing 5x3mm oval red garnet, its deep, natural hues left untreated to showcase the gem’s innate richness—evoking the warmth and intensity of glowing embers.

Category

21st Century and Contemporary Chinese Modern Fashion Rings

Materials

Diamond, Garnet, Gold, 10k Gold, White 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

At its heart lies a mesmerizing 5x3mm oval red garnet, its deep, natural hues left untreated to showcase the gem’s innate richness—evoking the warmth and intensity of glowing embers.

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

At its heart lies a mesmerizing 5x3mm oval red garnet, its deep, natural hues left untreated to showcase the gem’s innate richness—evoking the warmth and intensity of glowing embers.

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

At its heart lies a mesmerizing 5x3mm oval red garnet, its deep, natural hues left untreated to showcase the gem’s innate richness—evoking the warmth and intensity of glowing embers.

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

At its heart lies a mesmerizing 5x3mm oval red garnet, its deep, natural hues left untreated to showcase the gem’s innate richness—evoking the warmth and intensity of glowing embers.

Category

21st Century and Contemporary Chinese Modern Fashion Rings

Materials

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

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

Slightly included, as commonly found in natural material, these gems remain completely untreated, preserving their 100% natural integrity.

Category

21st Century and Contemporary Pakistani Contemporary Loose Gemstones

Materials

Peridot

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

Sourced from Tanzania, Umbalite is a premium variety of garnet known for its vibrant tones, high clarity, and exceptional brilliance. Untreated and 100% natural, this gem is ideal fo...

Category

21st Century and Contemporary Tanzanian Modern Loose Gemstones

Materials

Garnet

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

This untreated feature ensures that the gem remains in its purest, most authentic form, further elevating its rarity and value.

Category

21st Century and Contemporary Colombian Loose Gemstones

Materials

Emerald

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

At its heart lies a mesmerizing 5x3mm oval red garnet, its deep, natural hues left untreated to showcase the gem’s innate richness—evoking the warmth and intensity of glowing embers.

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
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

Its natural color tone transitions beautifully under different lighting, offering a vibrant yet soothing appearance. Untreated and 100% natural, this gem is ideal for creating high-e...

Category

21st Century and Contemporary Afghan Modern Loose Gemstones

Materials

Tourmaline

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 paraiba tourmaline, certified. The gem can be: oval cut transparent is 7.36 carats, 1...

Category

21st Century and Contemporary German Classical Roman Engagement Rings

Materials

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

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

The precision faceting maximizes light reflection, giving the stone a vivid, glowing appearance from every angle. Untreated and ethically sourced, this gem is perfect for creating a ...

Category

21st Century and Contemporary Brazilian Modern Loose Gemstones

Materials

Citrine

Gubelin Certified 9.14 Carat Ceylon No Heat Sapphire Diamond Gold Cocktail Ring
Gubelin Certified 9.14 Carat Ceylon No Heat Sapphire Diamond Gold Cocktail Ring

Gubelin Certified 9.14 Carat Ceylon No Heat Sapphire Diamond Gold Cocktail Ring

Located in Kowloon, Hong Kong

Key Features: Center Stone: 9.14 carat natural blue sapphire Origin: Ceylon (Sri Lanka) – renowned for superior quality sapphires Treatment: No Heat – certified natural and untrea...

Category

2010s Cocktail Rings

Materials

Diamond, Sapphire, Gold, 18k Gold

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

Its precise cut and eye-clean transparency make it an excellent choice for a bespoke ring, pendant, or fine jewelry creation. Untreated and natural, this gem embodies authenticity an...

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

Accompanied by a gem certificate from IGI stating that the spinels are natural and untreated. ================== ● 100% authenticity guaranteed ● Optional Gem certification availab...

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

Umbalite garnet is relatively rare in the market, especially in larger sizes or precision-cut stones. Collectors and gem enthusiasts value it for its unique color, natural beauty, an...

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

You can buy confidently from our shop, knowing that we only sell natural, untreated Tanzanite stones. Our gems are 100 percent genuine and natural, offering you the highest quality a...

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

You can buy confidently from our shop, knowing that we only sell natural, untreated Tanzanite stones. Our gems are 100 percent genuine and natural, offering you the highest quality a...

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

You can buy confidently from our shop, knowing that we only sell natural, untreated Tanzanite stones. Our gems are 100 percent genuine and natural, offering you the highest quality a...

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

You can buy confidently from our shop, knowing that we only sell natural, untreated Tanzanite stones. Our gems are 100 percent genuine and natural, offering you the highest quality a...

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.