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3.15 cts, Untreated purple sapphire with a GIA certificate
3.15 cts, Untreated purple sapphire with a GIA certificate

3.15 cts, Untreated purple sapphire with a GIA certificate

By True Gems

Located in บางรัก, TH

Untreated purple sapphire with a GIA certificate  sku02 Weight: 3.15 carats Size: 9.34×6.89×5.66 mm Origin: Sri Lanka

Category

21st Century and Contemporary Russian Arts and Crafts Loose Gemstones

Materials

Sapphire, Purple Sapphire

Lustrous Green Sphene Gemstone: Multi Color Cushion Cut, 2.66 Carat
Lustrous Green Sphene Gemstone: Multi Color Cushion Cut, 2.66 Carat

Lustrous Green Sphene Gemstone: Multi Color Cushion Cut, 2.66 Carat

Located in Peshawar, PK

Sourced from **Pakistan**, a region known for producing high-quality sphene, this gemstone reflects both rarity and geological excellence. As a **naturally untreated** gem, its vibra...

Category

2010s Pakistani Loose Gemstones

Materials

Other

Natural Neon Blue Apatite Gemstone: 0.65 Carat Emerald Cut December Birthstone
Natural Neon Blue Apatite Gemstone: 0.65 Carat Emerald Cut December Birthstone

Natural Neon Blue Apatite Gemstone: 0.65 Carat Emerald Cut December Birthstone

Located in Peshawar, PK

Its natural treatment ensures the stone retains its original beauty and authentic crystal structure, making it especially appealing to collectors and jewelry designers who value untr...

Category

2010s Loose Gemstones

Materials

Apatite

Eighteen Karat Gold Cocktail Ring with Natural Sapphires and Paraiba Tourmalines
Eighteen Karat Gold Cocktail Ring with Natural Sapphires and Paraiba Tourmalines

Eighteen Karat Gold Cocktail Ring with Natural Sapphires and Paraiba Tourmalines

By Polya Medvedeva Jewellery

Located in Berlin, DE

German actress Anne Ratte-Polle chose this ring as part of her stage outfit for the Bavarian Film award and for the Berlinale red carpet in the same year. The natural, untreated gem...

Category

21st Century and Contemporary German Contemporary Cocktail Rings

Materials

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

Twelve Carats Sapphires and Paraiba Tourmalines Yellow Gold Pendant Necklace
Twelve Carats Sapphires and Paraiba Tourmalines Yellow Gold Pendant Necklace

Twelve Carats Sapphires and Paraiba Tourmalines Yellow Gold Pendant Necklace

By Polya Medvedeva Jewellery

Located in Berlin, DE

It belongs to the limited edition collection. The natural and untreated gems used in this Pendant Necklace are: Cushion-cut green natural sapphire, 3.61 carats, 10x9.3 mm Fancy cus...

Category

21st Century and Contemporary German Contemporary Pendant Necklaces

Materials

Garnet, Sapphire, Blue Sapphire, Green Sapphire, Spinel, Tourmaline, Par...

3.07 cts, Untreated pinkish purple sapphire with a GIA certificate
3.07 cts, Untreated pinkish purple sapphire with a GIA certificate

3.07 cts, Untreated pinkish purple sapphire with a GIA certificate

By True Gems

Located in บางรัก, TH

Untreated pinkish purple sapphire with a GIA certificate sku06 Weight: 3.07 carats Size: 8.39x6.22x5.48 mm Origin: Sri Lanka

Category

21st Century and Contemporary Russian Arts and Crafts Loose Gemstones

Materials

Sapphire, Purple Sapphire

2.53 cts, Untreated bluish violet sapphire with a GIA certificate
2.53 cts, Untreated bluish violet sapphire with a GIA certificate

2.53 cts, Untreated bluish violet sapphire with a GIA certificate

By True Gems

Located in บางรัก, TH

Untreated bluish violet sapphire with a GIA certificate sku04 Weight: 2.53 carats Size: 8.72x6.82x4.98 mm Origin: Sri Lanka

Category

21st Century and Contemporary Russian Arts and Crafts Loose Gemstones

Materials

Sapphire, Blue Sapphire

3.77 cts, Faceted untreated blue sapphire with a GIA certificate
3.77 cts, Faceted untreated blue sapphire with a GIA certificate

3.77 cts, Faceted untreated blue sapphire with a GIA certificate

By True Gems

Located in บางรัก, TH

Faceted untreated blue sapphire with a GIA certificate sku09 Weight: 3.77 carats Size: 8.89×6.92×5.86 mm Origin: Sri Lanka

Category

21st Century and Contemporary Russian Arts and Crafts Loose Gemstones

Materials

Blue Sapphire

3.05 cts, Polychromatic untreated blue‑yellow sapphire with a GIA certificate
3.05 cts, Polychromatic untreated blue‑yellow sapphire with a GIA certificate

3.05 cts, Polychromatic untreated blue‑yellow sapphire with a GIA certificate

By True Gems

Located in บางรัก, TH

Polychromatic untreated blue‑yellow sapphire with a GIA certificate sku08 Weight: 3.05 carats Size: 8.57×7.18×4.99 mm Origin: Sri Lanka

Category

21st Century and Contemporary Russian Arts and Crafts Loose Gemstones

Materials

Blue Sapphire, Yellow Sapphire

7.20 carats Neon Blue Topaz Stone Emerald Cut Natural Madagascar's Gemstone
7.20 carats Neon Blue Topaz Stone Emerald Cut Natural Madagascar's Gemstone

7.20 carats Neon Blue Topaz Stone Emerald Cut Natural Madagascar's Gemstone

Located in Bangkok, TH

Expertly cut into a brilliant oval shape, this untreated gem features loupe clean clarity and a vivid neon blue glow that sparkles under any light.

Category

21st Century and Contemporary Malagasy Modern Loose Gemstones

Materials

Topaz, Blue Topaz

Untreated 1.36ct Australian Sapphire GIA Certified Green Blue Gem 6.3x7.5mm
Untreated 1.36ct Australian Sapphire GIA Certified Green Blue Gem 6.3x7.5mm

Untreated 1.36ct Australian Sapphire GIA Certified Green Blue Gem 6.3x7.5mm

Located in Birmingham, GB

Untreated 1.36ct Australian Sapphire GIA Certified Green Blue Gem 6.3x7.5mm GIA Certified Natural Untreated Triangle Trillion Cut Blue Green Sapphire Gemstone.

Category

21st Century and Contemporary More Jewelry

Materials

Sapphire

GIA Certified Untreated Bi Colour Sapphire Blue Yellow 0.87ct Rectangular Gem
GIA Certified Untreated Bi Colour Sapphire Blue Yellow 0.87ct Rectangular Gem

GIA Certified Untreated Bi Colour Sapphire Blue Yellow 0.87ct Rectangular Gem

Located in Birmingham, GB

GIA Certified Untreated Bi Colour Sapphire Blue Yellow 0.87ct Rectangular Gem Unique GIA Certified Natural Blue Yellow Bi Colour Rectangular Cut Untreated Sapphire Gemstone. 0.87 Ca...

Category

21st Century and Contemporary Loose Gemstones

GIA Certified 2.35ct Natural Deep Blue Spinel Untreated Trillion Cut Gem
GIA Certified 2.35ct Natural Deep Blue Spinel Untreated Trillion Cut Gem

GIA Certified 2.35ct Natural Deep Blue Spinel Untreated Trillion Cut Gem

Located in Birmingham, GB

GIA Certified 2.35ct Natural Deep Blue Spinel Untreated Trillion Cut Gem GIA Certified Rare Natural Blue Spinel Gemstone. 2.35 Carat with a beautiful deep blue colour and very good ...

Category

21st Century and Contemporary Loose Gemstones

Materials

Spinel

Fine IGI Certified Myanmar Burma Star Ruby Untreated 0.98ct Rare Gem
Fine IGI Certified Myanmar Burma Star Ruby Untreated 0.98ct Rare Gem

Fine IGI Certified Myanmar Burma Star Ruby Untreated 0.98ct Rare Gem

Located in Birmingham, GB

Fine IGI Certified Myanmar Burma Star Ruby Untreated 0.98ct Rare Gem Fine IGI Certified Natural Untreated Burmese Star Ruby. 0.98 Carat with a sharp six ray star under spotlight.

Category

21st Century and Contemporary Loose Gemstones

Materials

Ruby

IGI Certified 1.06ct Untreated Vivid Yellow Orange Sapphire Heart Cut Gem
IGI Certified 1.06ct Untreated Vivid Yellow Orange Sapphire Heart Cut Gem

IGI Certified 1.06ct Untreated Vivid Yellow Orange Sapphire Heart Cut Gem

Located in Birmingham, GB

IGI Certified 1.06ct Untreated Vivid Yellow Orange Sapphire Heart Cut Gem Fine Natural Deep Yellow Orange Untreated Australian Sapphire In IGI Blister. 1.06 Carat with an excellent ...

Category

21st Century and Contemporary Loose Gemstones

Materials

Sapphire

IGI Certified 1.02ct Untreated Deep Blue Australia Sapphire Heart Cut Gem
IGI Certified 1.02ct Untreated Deep Blue Australia Sapphire Heart Cut Gem

IGI Certified 1.02ct Untreated Deep Blue Australia Sapphire Heart Cut Gem

Located in Birmingham, GB

IGI Certified 1.02ct Untreated Deep Blue Australia Sapphire Heart Cut Gem Fine Natural Deep Blue Untreated Australian Sapphire In IGI Blister. 1.02 Carat with an excellent heart cut...

Category

21st Century and Contemporary Loose Gemstones

Materials

Sapphire

IGI Certified 3.06ct Untreated Blue Star Sapphire Natural Oval Rare Gem
IGI Certified 3.06ct Untreated Blue Star Sapphire Natural Oval Rare Gem

IGI Certified 3.06ct Untreated Blue Star Sapphire Natural Oval Rare Gem

Located in Birmingham, GB

IGI Certified 3.06ct Untreated Blue Star Sapphire Natural Oval Rare Gem IGI Certified Natural Rare Untreated Ceylon Star Sapphire. 3.06 Carat with a sharp six ray star under spotlig...

Category

21st Century and Contemporary Loose Gemstones

Materials

Blue Sapphire

2.48 Carats Octagon Cut AGL Certified No Oil
2.48 Carats Octagon Cut AGL Certified No Oil

2.48 Carats Octagon Cut AGL Certified No Oil

Located in Hong Kong, HK

Its classic shape and unmatched quality make it an exceptional choice for anyone looking for a timeless, untreated gem. Key Details: - Carat Weight: 2.48 carats - Cut: Octagon Cut -...

Category

21st Century and Contemporary Colombian Loose Gemstones

Materials

Emerald

Natural Burma No Heat Brilliant Cut Red Spinel White Diamond Platinum Bracelet
Natural Burma No Heat Brilliant Cut Red Spinel White Diamond Platinum Bracelet

Natural Burma No Heat Brilliant Cut Red Spinel White Diamond Platinum Bracelet

Located in Kowloon, Hong Kong

The brilliance of the diamonds, interspersed seamlessly among the spinels, adds an elevated contrast and emphasizes the richness of the untreated gems. Sourced exclusively from Burm...

Category

2010s Modern Bracelets

Materials

White Diamond, Spinel, Platinum

Natural Honey Brown Tourmaline 2.38 Ct Carat Cushion Cut Loose Gemstone for Ring
Natural Honey Brown Tourmaline 2.38 Ct Carat Cushion Cut Loose Gemstone for Ring

Natural Honey Brown Tourmaline 2.38 Ct Carat Cushion Cut Loose Gemstone for Ring

Located in Peshawar, PK

Sourced from the renowned mines of Kunar, Afghanistan, this 100% natural and untreated gem boasts an eye-clean clarity that highlights its superior quality and craftsmanship.

Category

21st Century and Contemporary Afghan Contemporary Loose Gemstones

Materials

Tourmaline

Natural Brown Tourmaline 3.91 Carat Cushion Cut Loose Gemstone for Ring Jewelry
Natural Brown Tourmaline 3.91 Carat Cushion Cut Loose Gemstone for Ring Jewelry

Natural Brown Tourmaline 3.91 Carat Cushion Cut Loose Gemstone for Ring Jewelry

Located in Peshawar, PK

Sourced from the renowned mines of Kunar, Afghanistan, this 100% natural and untreated gem boasts an eye-clean clarity that highlights its superior quality and craftsmanship.

Category

21st Century and Contemporary Afghan Contemporary Loose Gemstones

Materials

Tourmaline

Deep Red Rhodolite Garnet 2.95 Ct Natural Loose Gemstone Oval Cut for Ring Jewel
Deep Red Rhodolite Garnet 2.95 Ct Natural Loose Gemstone Oval Cut for Ring Jewel

Deep Red Rhodolite Garnet 2.95 Ct Natural Loose Gemstone Oval Cut for Ring Jewel

Located in Peshawar, PK

Sourced ethically from Brazil, this eye-clean, untreated gem radiate natural beauty and sophistication.

Category

21st Century and Contemporary Brazilian Contemporary Loose Gemstones

Materials

Garnet, Rhodolite

Darkish Red Rhodolite Garnet 4 Ct Natural Loose Gemstone Pear Cut for Ring Jewel
Darkish Red Rhodolite Garnet 4 Ct Natural Loose Gemstone Pear Cut for Ring Jewel

Darkish Red Rhodolite Garnet 4 Ct Natural Loose Gemstone Pear Cut for Ring Jewel

Located in Peshawar, PK

Sourced ethically from Brazil, this eye-clean, untreated gem radiate natural beauty and sophistication.

Category

21st Century and Contemporary Brazilian Contemporary Loose Gemstones

Materials

Garnet, Rhodolite

Natural Burma No Heat Round Cut Pink Spinel White Diamond Platinum Bracelet
Natural Burma No Heat Round Cut Pink Spinel White Diamond Platinum Bracelet

Natural Burma No Heat Round Cut Pink Spinel White Diamond Platinum Bracelet

Located in Kowloon, Hong Kong

The brilliance of the diamonds, interspersed seamlessly among the spinels, adds an elevated contrast and emphasizes the richness of the untreated gems. Sourced exclusively from Burm...

Category

2010s Modern Bracelets

Materials

White Diamond, Spinel, Platinum

Natural Peach Pink Spinel 8.3mm x 8mm & Diamond Cocktail Ring, 18K Rose Gold
Natural Peach Pink Spinel 8.3mm x 8mm & Diamond Cocktail Ring, 18K Rose Gold

Natural Peach Pink Spinel 8.3mm x 8mm & Diamond Cocktail Ring, 18K Rose Gold

Located in Hong Kong, HK

It is very eye pleasing. Like almost all untreated gems, there are natural inclusions. Please refer to the many high definition photos for more details.

Category

2010s Hong Kong Cocktail Rings

Materials

Diamond, Spinel, White Diamond, 18k Gold, Rose Gold, Gold

1.14ct Natural Green Sapphire GRA Certified Untreated Heart Cut Gem 6.7x6mm
1.14ct Natural Green Sapphire GRA Certified Untreated Heart Cut Gem 6.7x6mm

1.14ct Natural Green Sapphire GRA Certified Untreated Heart Cut Gem 6.7x6mm

Located in Birmingham, GB

1.14ct Natural Green Sapphire GRA Certified Untreated Heart Cut Gem 6.7x6mm Natural Vivid Green Untreated Sapphire Gemstone.

Category

21st Century and Contemporary More Jewelry

Materials

Green Sapphire

2.07ct GIA Certified Untreated Purple Sapphire Natural Oval Cut Gem 8.2x6.5mm
2.07ct GIA Certified Untreated Purple Sapphire Natural Oval Cut Gem 8.2x6.5mm

2.07ct GIA Certified Untreated Purple Sapphire Natural Oval Cut Gem 8.2x6.5mm

Located in Birmingham, GB

2.07ct GIA Certified Untreated Purple Sapphire Natural Oval Cut Gem 8.2x6.5mm GIA Certified Untreated Purple Oval Cut Sapphire. 2.07 Carat natural sapphire with purple colour.

Category

21st Century and Contemporary More Jewelry

Materials

Sapphire

Fine IGI Certified 1.31ct Untreated Australia Deep Blue Sapphire Oval Cut Gem
Fine IGI Certified 1.31ct Untreated Australia Deep Blue Sapphire Oval Cut Gem

Fine IGI Certified 1.31ct Untreated Australia Deep Blue Sapphire Oval Cut Gem

Located in Birmingham, GB

Fine IGI Certified 1.31ct Untreated Australia Deep Blue Sapphire Oval Cut Gem IGI Certified Fine Deep Yellowish Blue Untreated Australian Sapphire Oval Cut Gem. 1.31 Carat with a un...

Category

21st Century and Contemporary Loose Gemstones

Materials

Sapphire

Natural 5.88ct GIA Certified Green Jadeite Jade 'A' Grade Untreated Oval Gem
Natural 5.88ct GIA Certified Green Jadeite Jade 'A' Grade Untreated Oval Gem

Natural 5.88ct GIA Certified Green Jadeite Jade 'A' Grade Untreated Oval Gem

Located in Birmingham, GB

Natural 5.88ct GIA Certified Green Jadeite Jade 'A' Grade Untreated Oval Gem Rare GIA Certified Untreated Large Green Jadeite Gemstone. 5.88 Carat beautiful untreated jadeite stone ...

Category

21st Century and Contemporary Loose Gemstones

Materials

Jade

Unique 4.02ct GIA Certified Ceylon Sapphire Bi Colour Untreated Octagon Rare Gem
Unique 4.02ct GIA Certified Ceylon Sapphire Bi Colour Untreated Octagon Rare Gem

Unique 4.02ct GIA Certified Ceylon Sapphire Bi Colour Untreated Octagon Rare Gem

Located in Birmingham, GB

Unique 4.02ct GIA Certified Ceylon Sapphire Bi Colour Untreated Octagon Rare Gem Fine Quality GIA Certified Natural Untreated Bi Colour Ceylon Sapphire. 4.02 Carat sapphire with a u...

Category

21st Century and Contemporary Loose Gemstones

Materials

Sapphire

IGI Certified 1.17ct Australia Green Blue Teal Sapphire Untreated Hazy Silky Gem
IGI Certified 1.17ct Australia Green Blue Teal Sapphire Untreated Hazy Silky Gem

IGI Certified 1.17ct Australia Green Blue Teal Sapphire Untreated Hazy Silky Gem

Located in Birmingham, GB

IGI Certified 1.17ct Australia Green Blue Teal Sapphire Untreated Hazy Silky Gem IGI Certified Untreated Green Blue Teal Octagon Cut Australian Sapphire. 1.17 Carat with a unique gr...

Category

21st Century and Contemporary Loose Gemstones

Materials

Sapphire

GIA Certified 1.07ct Deep Green Blue Sapphire Untreated Heart Cut Unique Gem
GIA Certified 1.07ct Deep Green Blue Sapphire Untreated Heart Cut Unique Gem

GIA Certified 1.07ct Deep Green Blue Sapphire Untreated Heart Cut Unique Gem

Located in Birmingham, GB

GIA Certified 1.07ct Deep Green Blue Sapphire Untreated Heart Cut Unique Gem GIA Certified Untreated Deep Green Blue Heart Cut Sapphire Gem. 1.07 Carat unheated deep blue sapphire.

Category

21st Century and Contemporary Loose Gemstones

Materials

Sapphire

GIA Certified 1.57ct Deep Green Blue Sapphire Untreated Heart Cut Natural Gem
GIA Certified 1.57ct Deep Green Blue Sapphire Untreated Heart Cut Natural Gem

GIA Certified 1.57ct Deep Green Blue Sapphire Untreated Heart Cut Natural Gem

Located in Birmingham, GB

GIA Certified 1.57ct Deep Green Blue Sapphire Untreated Heart Cut Natural Gem GIA Certified Untreated Deep Green Blue Heart Cut Sapphire Gem. 1.57 Carat unheated deep green blue sap...

Category

21st Century and Contemporary Loose Gemstones

Materials

Sapphire

GIA Certified Untreated Fancy Intense Yellow Diamond 0.10ct Pear Cut Rare Gem
GIA Certified Untreated Fancy Intense Yellow Diamond 0.10ct Pear Cut Rare Gem

GIA Certified Untreated Fancy Intense Yellow Diamond 0.10ct Pear Cut Rare Gem

Located in Birmingham, GB

GIA Certified Untreated Fancy Intense Yellow Diamond 0.10ct Pear Cut Rare Gem GIA Certified Fancy Intense Yellow Diamond.

Category

21st Century and Contemporary Loose Gemstones

Materials

Yellow Diamond

Fine IGI Certified 2.43ct Untreated Ceylon Violet Blue Star Sapphire Natural Gem
Fine IGI Certified 2.43ct Untreated Ceylon Violet Blue Star Sapphire Natural Gem

Fine IGI Certified 2.43ct Untreated Ceylon Violet Blue Star Sapphire Natural Gem

Located in Birmingham, GB

Fine IGI Certified 2.43ct Untreated Ceylon Violet Blue Star Sapphire Natural Gem IGI Certified Natural Rare Untreated Star Ceylon Sapphire. 2.43 Carat with a sharp six ray star unde...

Category

21st Century and Contemporary Loose Gemstones

Materials

Blue Sapphire

Rare GIA Certified 1.05ct Purple Violet Sapphire Untreated Heart Cut Ceylon Gem
Rare GIA Certified 1.05ct Purple Violet Sapphire Untreated Heart Cut Ceylon Gem

Rare GIA Certified 1.05ct Purple Violet Sapphire Untreated Heart Cut Ceylon Gem

Located in Birmingham, GB

Rare GIA Certified 1.05ct Purple Violet Sapphire Untreated Heart Cut Ceylon Gem GIA Certified Untreated Purple Violet Heart Cut Ceylon Sapphire. 1.05 Carat sapphire with a unique vi...

Category

21st Century and Contemporary Loose Gemstones

Materials

Sapphire

GIA Certified 1.13ct Bi Colour Green Blue Untreated Sapphire Cushion Cut Gem
GIA Certified 1.13ct Bi Colour Green Blue Untreated Sapphire Cushion Cut Gem

GIA Certified 1.13ct Bi Colour Green Blue Untreated Sapphire Cushion Cut Gem

Located in Birmingham, GB

GIA Certified 1.13ct Bi Colour Green Blue Untreated Sapphire Cushion Cut Gem Natural Bi Colour Blue Green Untreated Cushion Cut Sapphire Gemstone. 1.13 Carat sapphire with a unique ...

Category

21st Century and Contemporary Loose Gemstones

Materials

Sapphire

Untreated 0.85ct Natural Vivid Blue Sapphire 6.8x4.8mm Oval Cut Rare Gem VVS
Untreated 0.85ct Natural Vivid Blue Sapphire 6.8x4.8mm Oval Cut Rare Gem VVS

Untreated 0.85ct Natural Vivid Blue Sapphire 6.8x4.8mm Oval Cut Rare Gem VVS

Located in Birmingham, GB

Untreated 0.85ct Natural Vivid Blue Sapphire 6.8x4.8mm Oval Cut Rare Gem VVS Natural Untreated Oval Cut Vivid Blue Sapphire Gemstone. 0.85 Carat sapphire with a unique blue colour a...

Category

21st Century and Contemporary Loose Gemstones

Materials

Sapphire

GIA Certified Untreated 1.46ct Blue Green Parti Colour Sapphire Octagon Cut Gem
GIA Certified Untreated 1.46ct Blue Green Parti Colour Sapphire Octagon Cut Gem

GIA Certified Untreated 1.46ct Blue Green Parti Colour Sapphire Octagon Cut Gem

Located in Birmingham, GB

GIA Certified Untreated 1.46ct Blue Green PARTI Colour Sapphire Octagon Cut Gem Unique GIA Certified Natural Blue Green Yellow Parti Colour Octagon Emerald Cut Untreated Sapphire Ge...

Category

21st Century and Contemporary Loose Gemstones

Materials

Sapphire

IGI Certified Deep Pink Purple Sapphire Untreated 0.88ct Cushion Cut Rare Gem
IGI Certified Deep Pink Purple Sapphire Untreated 0.88ct Cushion Cut Rare Gem

IGI Certified Deep Pink Purple Sapphire Untreated 0.88ct Cushion Cut Rare Gem

Located in Birmingham, GB

IGI Certified Deep Pink Purple Sapphire Untreated 0.88ct Cushion Cut Rare Gem Fine Natural Deep Pinkish Purple Untreated Sapphire In IGI Blister. 0.88 Carat with an excellent cushio...

Category

21st Century and Contemporary Loose Gemstones

Materials

Sapphire

Unique 1.13ct Natural Winza Sapphire Blue Purple Untreated Round Cut 5.5mm Gem
Unique 1.13ct Natural Winza Sapphire Blue Purple Untreated Round Cut 5.5mm Gem

Unique 1.13ct Natural Winza Sapphire Blue Purple Untreated Round Cut 5.5mm Gem

Located in Birmingham, GB

Unique 1.13ct Natural Winza Sapphire Blue Purple Untreated Round Cut 5.5mm Gem Unique Natural Untreated Blue Purple Winza Sapphire. 1.13 Carat with a round cut and unique deep blue ...

Category

21st Century and Contemporary Loose Gemstones

Materials

Sapphire

IGI Certified 2.32ct Star Sapphire Untreated Ceylon Violet Blue Oval Cab Gem
IGI Certified 2.32ct Star Sapphire Untreated Ceylon Violet Blue Oval Cab Gem

IGI Certified 2.32ct Star Sapphire Untreated Ceylon Violet Blue Oval Cab Gem

Located in Birmingham, GB

IGI Certified 2.32ct Star Sapphire Untreated Ceylon Violet Blue Oval Cab Gem IGI Certified Natural Rare Untreated Ceylon Star Sapphire. 2.32 Carat with a sharp six ray star under sp...

Category

21st Century and Contemporary Loose Gemstones

Materials

Sapphire

IGI Certified 4.44ct Untreated Ceylon Blue Star Sapphire Natural Oval Rare Gem
IGI Certified 4.44ct Untreated Ceylon Blue Star Sapphire Natural Oval Rare Gem

IGI Certified 4.44ct Untreated Ceylon Blue Star Sapphire Natural Oval Rare Gem

Located in Birmingham, GB

IGI Certified 4.44ct Untreated Ceylon Blue Star Sapphire Natural Oval Rare Gem IGI Certified Natural Rare Untreated Ceylon Star Sapphire. 4.44 Carat with a sharp six ray star under ...

Category

21st Century and Contemporary Loose Gemstones

Materials

Blue Sapphire

Untreated IGI Certified Colour Change Sapphire Pink Purple 0.82ct Oval Cut Gem
Untreated IGI Certified Colour Change Sapphire Pink Purple 0.82ct Oval Cut Gem

Untreated IGI Certified Colour Change Sapphire Pink Purple 0.82ct Oval Cut Gem

Located in Birmingham, GB

Untreated IGI Certified Colour Change Sapphire Pink Purple 0.82ct Oval Cut Gem IGI Certified Untreated Colour Change Sapphire Gemstone. 0.82 Carat sapphire with a rare colour change...

Category

21st Century and Contemporary Loose Gemstones

Materials

Pink Sapphire

IGI Certified 0.90ct Australia Bi Colour Yellow Sapphire Untreated Oval Cut Gem
IGI Certified 0.90ct Australia Bi Colour Yellow Sapphire Untreated Oval Cut Gem

IGI Certified 0.90ct Australia Bi Colour Yellow Sapphire Untreated Oval Cut Gem

Located in Birmingham, GB

IGI Certified 0.90ct Australia Bi Colour Yellow Sapphire Untreated Oval Cut Gem IGI Certified Unique Untreated Bi Colour Green Yellow Blue Oval Cut Australian Sapphire. 0.90 Carat w...

Category

21st Century and Contemporary Loose Gemstones

Materials

Sapphire

Unique IGI Certified 1.11ct Natural Untreated Brown Purple Sapphire Pear Cut Gem
Unique IGI Certified 1.11ct Natural Untreated Brown Purple Sapphire Pear Cut Gem

Unique IGI Certified 1.11ct Natural Untreated Brown Purple Sapphire Pear Cut Gem

Located in Birmingham, GB

Unique IGI Certified 1.11ct Natural Untreated Brown Purple Sapphire Pear Cut Gem IGI Certified Unique Natural Brown Purple Untreated Sapphire In IGI Blister. 1.11 Carat with an exce...

Category

21st Century and Contemporary Loose Gemstones

Materials

Sapphire

1.72ct GIA Certified Hazy Green Blue Sapphire Untreated Oval Cut Rare Gem
1.72ct GIA Certified Hazy Green Blue Sapphire Untreated Oval Cut Rare Gem

1.72ct GIA Certified Hazy Green Blue Sapphire Untreated Oval Cut Rare Gem

Located in Birmingham, GB

1.72ct GIA Certified Hazy Green Blue Sapphire Untreated Oval Cut Rare Gem GIA Certified Natural 'Hazy' Green Blue Sapphire Gemstone. 1.72 Carat sapphire with a vivid green blue colo...

Category

21st Century and Contemporary Loose Gemstones

Materials

Sapphire

Lime Green Natural Peridot 8.08 Carat Octagon Cut Loose Gemstones for Jewelry
Lime Green Natural Peridot 8.08 Carat Octagon Cut Loose Gemstones for Jewelry

Lime Green Natural Peridot 8.08 Carat Octagon Cut Loose Gemstones for Jewelry

Located in Peshawar, PK

Mined in Kohistan, Pakistan, these untreated gems offer excellent brilliance and a fresh green glow ideal for fine jewelry.

Category

2010s Pakistani Contemporary Loose Gemstones

Materials

Peridot

GIA Certified Natural 1.03ct Deep Blue Untreated Sapphire Pear Cut Gem 7.3x5.3mm
GIA Certified Natural 1.03ct Deep Blue Untreated Sapphire Pear Cut Gem 7.3x5.3mm

GIA Certified Natural 1.03ct Deep Blue Untreated Sapphire Pear Cut Gem 7.3x5.3mm

Located in Birmingham, GB

GIA Certified Natural 1.03ct Deep Blue Untreated Sapphire Pear Cut Gem 7.3x5.3mm Natural Deep Blue GIA Certified Untreated Sapphire Gemstone.

Category

21st Century and Contemporary More Jewelry

Materials

Sapphire

GIA Certified 1.69ct Deep Blue Untreated Sapphire Pear Teardrop Cut Gem 9.3x7mm
GIA Certified 1.69ct Deep Blue Untreated Sapphire Pear Teardrop Cut Gem 9.3x7mm

GIA Certified 1.69ct Deep Blue Untreated Sapphire Pear Teardrop Cut Gem 9.3x7mm

Located in Birmingham, GB

GIA Certified 1.69ct Deep Blue Untreated Sapphire Pear Teardrop Cut Gem 9.3x7mm GIA Certified Natural Untreated Deep Blue Sapphire Gemstone. 1.69 Carat with a deep blue colour and e...

Category

21st Century and Contemporary More Jewelry

Materials

Sapphire

GIA Certified 1.06ct Sapphire Untreated Heart Cut Natural Vivid Blue Gem 6x6.4mm
GIA Certified 1.06ct Sapphire Untreated Heart Cut Natural Vivid Blue Gem 6x6.4mm

GIA Certified 1.06ct Sapphire Untreated Heart Cut Natural Vivid Blue Gem 6x6.4mm

Located in Birmingham, GB

GIA Certified 1.06ct Sapphire Untreated Heart Cut Natural Vivid Blue Gem 6x6.4mm GIA Certified Untreated Vivid Blue Heart Cut Sapphire Gemstone. 1.06 Carat unheated vivid blue sapph...

Category

21st Century and Contemporary More Jewelry

Materials

Sapphire

Natural Untreated Loose Aquamarine 11.30 Carat Emerald Shape Gem For Necklace
Natural Untreated Loose Aquamarine 11.30 Carat Emerald Shape Gem For Necklace

Natural Untreated Loose Aquamarine 11.30 Carat Emerald Shape Gem For Necklace

Located in Peshawar, PK

Loose Aquamarine Weight: 11.50 Carat Dimension: 19.4 x 11.4 x 7.3 Mm Colour : Pale Blue Origin: Shigar Valley, Pakistan Treatment: Non Certificate : On Demand Shape: Emerald Aquamar...

Category

21st Century and Contemporary Pakistani Arts and Crafts Loose Gemstones

Materials

Aquamarine

1.85ct Colour Change Sapphire Pink Purple Untreated Rare Oval Gem 7.5x6mm VVS
1.85ct Colour Change Sapphire Pink Purple Untreated Rare Oval Gem 7.5x6mm VVS

1.85ct Colour Change Sapphire Pink Purple Untreated Rare Oval Gem 7.5x6mm VVS

Located in Birmingham, GB

1.85ct Colour Change Sapphire Pink Purple Untreated Rare Oval Gem 7.5x6mm VVS Natural Untreated Pink Purple Colour Change Untreated Sapphire. 1.85 Carat natural sapphire which chang...

Category

21st Century and Contemporary More Jewelry

Materials

Sapphire

GIA Certified 1.26ct Teal Green Blue Untreated Sapphire 6.3x5.3mm Oval Cut Gem
GIA Certified 1.26ct Teal Green Blue Untreated Sapphire 6.3x5.3mm Oval Cut Gem

GIA Certified 1.26ct Teal Green Blue Untreated Sapphire 6.3x5.3mm Oval Cut Gem

Located in Birmingham, GB

GIA Certified 1.26ct Teal Green Blue Untreated Sapphire 6.3x5.3mm Oval Cut Gem Natural Untreated Teal Blue Green Sapphire Gemstone. 1.26 Carat sapphire with a beautiful teal blue gr...

Category

21st Century and Contemporary More Jewelry

Materials

Sapphire

2.10ct GIA Certified Untreated Sapphire Thai Green Blue Oval Cut Gem 7.8x6.3mm
2.10ct GIA Certified Untreated Sapphire Thai Green Blue Oval Cut Gem 7.8x6.3mm

2.10ct GIA Certified Untreated Sapphire Thai Green Blue Oval Cut Gem 7.8x6.3mm

Located in Birmingham, GB

2.10ct GIA Certified Untreated Sapphire Thai Green Blue Oval Cut Gem 7.8x6.3mm Natural GIA Certified Untreated Green Blue Sapphire Gemstone. 2.10 Carat sapphire with a beautiful viv...

Category

21st Century and Contemporary More Jewelry

Materials

Sapphire

GIA Certified Natural Untreated Ruby Purple Red 0.54ct Heart Cut Gem No Heat
GIA Certified Natural Untreated Ruby Purple Red 0.54ct Heart Cut Gem No Heat

GIA Certified Natural Untreated Ruby Purple Red 0.54ct Heart Cut Gem No Heat

Located in Birmingham, GB

GIA Certified Natural Untreated Ruby Purple Red 0.54ct Heart Cut Gem No Heat GIA Certified Natural Untreated Purple Red Heart Cut Ruby. 0.54 Carat ruby with fine purple red colour.

Category

21st Century and Contemporary Loose Gemstones

Materials

Ruby

GIA Certified 0.29ct Untreated Fancy Pink Brown Diamond Pear Cut SI2 Rare Gem
GIA Certified 0.29ct Untreated Fancy Pink Brown Diamond Pear Cut SI2 Rare Gem

GIA Certified 0.29ct Untreated Fancy Pink Brown Diamond Pear Cut SI2 Rare Gem

Located in Birmingham, GB

GIA Certified 0.29ct Untreated Fancy Pink Brown Diamond Pear Cut SI2 Rare Gem GIA Certified Untreated Fancy Pink Brown Diamond.

Category

21st Century and Contemporary Loose Gemstones

Materials

Diamond

GIA Certified 5.03ct Natural Blue Spinel Untreated Cushion Cut No Heat Rare Gem
GIA Certified 5.03ct Natural Blue Spinel Untreated Cushion Cut No Heat Rare Gem

GIA Certified 5.03ct Natural Blue Spinel Untreated Cushion Cut No Heat Rare Gem

Located in Birmingham, GB

GIA Certified 5.03ct Natural Blue Spinel Untreated Cushion Cut No Heat Rare Gem Large GIA Certified Rare Natural Blue Spinel Gemstone. 5.03 Carat with a beautiful deep blue colour a...

Category

21st Century and Contemporary Loose Gemstones

Materials

Spinel

1.20 Carat Colombian Emerald & Diamond Halo Ring in 14K White Gold
1.20 Carat Colombian Emerald & Diamond Halo Ring in 14K White Gold

1.20 Carat Colombian Emerald & Diamond Halo Ring in 14K White Gold

Located in Bangkok, TH

Cut into an elegant emerald shape, the stone's signature step-cut facets and clean rectangular lines beautifully showcase its color while natural internal characteristics confirm its...

Category

2010s Art Deco Cocktail Rings

Materials

Emerald, 14k Gold

Untreated Parti Colour Sapphire 1.26ct GIA Certified Cushion Cut No Heat Gem
Untreated Parti Colour Sapphire 1.26ct GIA Certified Cushion Cut No Heat Gem

Untreated Parti Colour Sapphire 1.26ct GIA Certified Cushion Cut No Heat Gem

By Gemsandjewelsuk

Located in Birmingham, GB

Untreated Parti Colour Sapphire 1.26ct GIA Certified Cushion Cut No Heat Gem GIA Certified Untreated Thai Parti Colour Sapphire Gemstone. 1.26 Carat unheated sapphire with a beautif...

Category

21st Century and Contemporary British More Jewelry

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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.