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Untreated No Oil Fancy Shape Russian Emerald Ring Gem 1.58 Carat Weight
Untreated No Oil Fancy Shape Russian Emerald Ring Gem 1.58 Carat Weight

Untreated No Oil Fancy Shape Russian Emerald Ring Gem 1.58 Carat Weight

By Tsarina Jewels

Located in Bangkok, TH

What sets this particular gem apart is its untreated nature, meaning it has not undergone any oil enhancement or treatment to enhance its color or clarity.

Category

2010s Russian Modern Loose Gemstones

Materials

Emerald

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

Natural 1.59Ct Sapphire Gra Certified Untreated Yellow Green Triangle Trillion
Natural 1.59Ct Sapphire Gra Certified Untreated Yellow Green Triangle Trillion

Natural 1.59Ct Sapphire Gra Certified Untreated Yellow Green Triangle Trillion

By Gems and Jewels UK

Located in Birmingham, GB

A fine, top grade sapphire. Totally untreated and unheated, very rare for natural sapphires This item is tested by a gemmologist with the following qualifications: - Distinction gra...

Category

21st Century and Contemporary More Jewelry

Materials

Sapphire

1.49ct Bi Colour Sapphire Gra Certified Oval Cut Green Blue VVS Gem Untreated
1.49ct Bi Colour Sapphire Gra Certified Oval Cut Green Blue VVS Gem Untreated

1.49ct Bi Colour Sapphire Gra Certified Oval Cut Green Blue VVS Gem Untreated

Located in Birmingham, GB

1.49ct Bi Colour Sapphire Gra Certified Oval Cut Green Blue VVS Gem Untreated GRA Certified Vivid Green Blue Bi Colour Sapphire Gemstone. 1.49 Carat sapphire with a beautiful vivid ...

Category

21st Century and Contemporary More Jewelry

Materials

Sapphire

GIA Certified 7.28ct Colour Change Untreated Ceylon Sapphire & Diamond Pendant
GIA Certified 7.28ct Colour Change Untreated Ceylon Sapphire & Diamond Pendant

GIA Certified 7.28ct Colour Change Untreated Ceylon Sapphire & Diamond Pendant

By Gems and Jewels UK

Located in Birmingham, GB

Rare GIA Certified Oval Cut Colour Change Untreated Ceylon Sapphire & Diamond Pendant Necklace. 7.28 Total carat. A fine GIA certified 6.51 carat untreated Ceylon sapphire with rare...

Category

21st Century and Contemporary Pendant Necklaces

Materials

Diamond, White Diamond, Sapphire, Blue Sapphire, Purple Sapphire, Gold, ...

2.00ct GIA Certified Untreated Bi Colour Sapphire & Diamond Platinum Pendant
2.00ct GIA Certified Untreated Bi Colour Sapphire & Diamond Platinum Pendant

2.00ct GIA Certified Untreated Bi Colour Sapphire & Diamond Platinum Pendant

By Gems and Jewels UK

Located in Birmingham, GB

Unique Natural Untreated Green & Blue Bi Colour Sapphire & Diamond 950 Platinum Pendant Necklace. GIA Certified 2.00 Carat sapphire with a unique green and blue bi colour split. Rar...

Category

21st Century and Contemporary Pendant Necklaces

Materials

Diamond, Sapphire, Blue Sapphire, Green Sapphire, White Diamond, Platinum

2.15ct Natural Colour Change Garnet GIA Certified Untreated Pyrope Spessartine
2.15ct Natural Colour Change Garnet GIA Certified Untreated Pyrope Spessartine

2.15ct Natural Colour Change Garnet GIA Certified Untreated Pyrope Spessartine

By Gems and Jewels UK

Located in Birmingham, GB

2.15ct Natural Colour Change Garnet GIA Certified Untreated Pyrope Spessartine Rare Untreated Colour Change Garnet Gemstone. 2.15 Carat garnet with a rare colour change effect. Chan...

Category

21st Century and Contemporary More Jewelry

Materials

Garnet

Fine Unique Australian 0.76ct Untreated Yellow Green Sapphire Pear Cut
Fine Unique Australian 0.76ct Untreated Yellow Green Sapphire Pear Cut

Fine Unique Australian 0.76ct Untreated Yellow Green Sapphire Pear Cut

By Gems and Jewels UK

Located in Birmingham, GB

Natural Untreated Green Yellow Australian Sapphire Gemstone. 0.76 Carat with a beautiful and unique yellowish green colour and good clarity, a clean stone with only some small natur...

Category

21st Century and Contemporary More Jewelry

Materials

Green Sapphire

Unique Pink Sapphire & Diamond Certified Untreated Crossover 18k Oval Pendant
Unique Pink Sapphire & Diamond Certified Untreated Crossover 18k Oval Pendant

Unique Pink Sapphire & Diamond Certified Untreated Crossover 18k Oval Pendant

By Gems and Jewels UK

Located in Birmingham, GB

Vivid Pink Untreated Sapphire & Diamond 18k Yellow & White Gold Crossover Pendant. Fine 0.61 Carat IGI certified untreated sapphire with a unique vivid reddish purple-pink colour an...

Category

21st Century and Contemporary Pendant Necklaces

Materials

Diamond, White Diamond, Sapphire, Pink Sapphire, Purple Sapphire, Ruby, ...

Gia Certified 2.29ct Sapphire Natural Australian Bi Colour Untreated Heart Cut
Gia Certified 2.29ct Sapphire Natural Australian Bi Colour Untreated Heart Cut

Gia Certified 2.29ct Sapphire Natural Australian Bi Colour Untreated Heart Cut

By Gems and Jewels UK

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, VVS.

Category

21st Century and Contemporary More Jewelry

Natural 1.18Ct Untreated Green Blue Sapphire Gia Certified Unheated Heart Cut
Natural 1.18Ct Untreated Green Blue Sapphire Gia Certified Unheated Heart Cut

Natural 1.18Ct Untreated Green Blue Sapphire Gia Certified Unheated Heart Cut

By Gems and Jewels UK

Located in Birmingham, GB

NATURAL 1.18ct Untreated Green Blue Sapphire GIA CERTIFIED Unheated Heart Cut GIA Certified Untreated Green Blue Heart Cut Sapphire Gemstone. 1.18 Carat unheated unique green blue s...

Category

21st Century and Contemporary More Jewelry

GIA Certified 2.04ct Untreated Dark Blue Sapphire Pear Platinum Pendant Necklace
GIA Certified 2.04ct Untreated Dark Blue Sapphire Pear Platinum Pendant Necklace

GIA Certified 2.04ct Untreated Dark Blue Sapphire Pear Platinum Pendant Necklace

By Gems and Jewels UK

Located in Birmingham, GB

GIA Certified Untreated Dark Blue Sapphire 950 Platinum Pendant Necklace. 2.04 Carat blue sapphire with a fine dark blue colour and excellent clarity. Very clean stone. Totally untr...

Category

21st Century and Contemporary Pendant Necklaces

Materials

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

Pink & Dark Indicolite Blue Tourmaline 6.58 Ct Natural Loose Gemstones-Jewelry
Pink & Dark Indicolite Blue Tourmaline 6.58 Ct Natural Loose Gemstones-Jewelry

Pink & Dark Indicolite Blue Tourmaline 6.58 Ct Natural Loose Gemstones-Jewelry

Located in Peshawar, PK

Ethically sourced from Kunar, Afghanistan, these 100% natural, untreated gems display slight inclusions that affirm their authenticity and natural origin — a remarkable choice for co...

Category

21st Century and Contemporary Afghan Contemporary Loose Gemstones

Materials

Tourmaline, Indicolite

Natural 1.10Ct Deep Blue Untreated Sapphire Gia Certified Pear Cut 7.5X4.9mm
Natural 1.10Ct Deep Blue Untreated Sapphire Gia Certified Pear Cut 7.5X4.9mm

Natural 1.10Ct Deep Blue Untreated Sapphire Gia Certified Pear Cut 7.5X4.9mm

By Gems and Jewels UK

Located in Birmingham, GB

Natural 1.10Ct Deep Blue Untreated Sapphire Gia Certified Pear Cut 7.5X4.9mm GIA Certified Untreated Deep Blue Sapphire Gemstone. 1.01 Carat sapphire with a beautiful deep blue colo...

Category

21st Century and Contemporary More Jewelry

Materials

Sapphire

Gia Certified Natural 1.02ct Untreated Green Blue Sapphire 5.9x6.6mm Heart Cut
Gia Certified Natural 1.02ct Untreated Green Blue Sapphire 5.9x6.6mm Heart Cut

Gia Certified Natural 1.02ct Untreated Green Blue Sapphire 5.9x6.6mm Heart Cut

By Gems and Jewels UK

Located in Birmingham, GB

GIA CERTIFIED Natural 1.02ct Untreated Green Blue Sapphire 5.9x6.6mm Heart Cut GIA Certified Untreated Green Blue Heart Cut Sapphire Gemstone. 1.02 Carat unheated green blue sapphir...

Category

21st Century and Contemporary More Jewelry

1.22ct Natural Sapphire Bluish Green Gia Certified Unheated Oval Cut Untreated
1.22ct Natural Sapphire Bluish Green Gia Certified Unheated Oval Cut Untreated

1.22ct Natural Sapphire Bluish Green Gia Certified Unheated Oval Cut Untreated

By Gems and Jewels UK

Located in Birmingham, GB

1.22ct Natural Sapphire Bluish Green Gia Certified Unheated Oval Cut Untreated GIA Certified Natural Untreated Bluish Green Sapphire Gemstone. Fine quality unheated sapphire with a ...

Category

21st Century and Contemporary More Jewelry

Materials

Sapphire

Natural Deep Teal Blue Sapphire 1.02ct Gia Certified 5.8x4.7mm Oval Untreated
Natural Deep Teal Blue Sapphire 1.02ct Gia Certified 5.8x4.7mm Oval Untreated

Natural Deep Teal Blue Sapphire 1.02ct Gia Certified 5.8x4.7mm Oval Untreated

By Gems and Jewels UK

Located in Birmingham, GB

Natural Deep Teal Blue Sapphire 1.02ct Gia Certified 5.8x4.7mm Oval Untreated GIA Certified Untreated Deep Teal Blue Sapphire Gemstone. 1.02 Carat sapphire with a beautiful deep tea...

Category

21st Century and Contemporary More Jewelry

Materials

Sapphire, Blue Sapphire

Gia Certified Green Blue Teal Untreated Sapphire 1.02Ct 6.8X5.7Mm Pear Teardrop
Gia Certified Green Blue Teal Untreated Sapphire 1.02Ct 6.8X5.7Mm Pear Teardrop

Gia Certified Green Blue Teal Untreated Sapphire 1.02Ct 6.8X5.7Mm Pear Teardrop

By Gems and Jewels UK

Located in Birmingham, GB

GIA CERTIFIED Green Blue Teal UNTREATED Sapphire 1.02ct 6.8x5.7mm Pear Teardrop Natural Untreated Green Blue 'Teal' Sapphire Gemstone. 1.02 Carat unheated sapphire with a beautiful ...

Category

21st Century and Contemporary More Jewelry

Materials

Sapphire

Gia Certified 1.08Ct Natural Untreated Green Blue Teal Pear Cut Sapphire
Gia Certified 1.08Ct Natural Untreated Green Blue Teal Pear Cut Sapphire

Gia Certified 1.08Ct Natural Untreated Green Blue Teal Pear Cut Sapphire

By Gems and Jewels UK

Located in Birmingham, GB

GIA CERTIFIED 1.08ct NATURAL Sapphire UNIQUE Green Blue Teal Pear Cut UNTREATED Natural Fine Blue Green Teal GIA Certified Untreated Sapphire Gemstone. Fine quality sapphire with a ...

Category

21st Century and Contemporary More Jewelry

Materials

Sapphire

Untreated Parti Colour Australian Sapphire 0.99ct Blue Green Oval Cut 6.8x4.8mm
Untreated Parti Colour Australian Sapphire 0.99ct Blue Green Oval Cut 6.8x4.8mm

Untreated Parti Colour Australian Sapphire 0.99ct Blue Green Oval Cut 6.8x4.8mm

By Gems and Jewels UK

Located in Birmingham, GB

Untreated Parti Colour Australian Sapphire 0.99ct Blue Green Oval Cut 6.8x4.8mm Untreated Natural Australian Parti Colour Blue Green Yellow Sapphire Gemstone. 0.99 Carat with a beau...

Category

21st Century and Contemporary More Jewelry

Materials

Sapphire

1.15ct Ceylon sapphire ring modern style 14KT gold
1.15ct Ceylon sapphire ring modern style 14KT gold

1.15ct Ceylon sapphire ring modern style 14KT gold

Located in Boca Raton, FL

Classical beauty, ceylon sapphire oval with stunning light blue color in a modern solitaire setting in 14KT gold.Sapphire is an untreated gem with a weight of 1.15 carats. Why buy f...

Category

21st Century and Contemporary Solitaire Rings

Materials

Sapphire, Gold, 14k Gold

GIA Certified 1.15Ct Blue Sapphire Untreated Fine Natural Triangle Cut Gemstone
GIA Certified 1.15Ct Blue Sapphire Untreated Fine Natural Triangle Cut Gemstone

GIA Certified 1.15Ct Blue Sapphire Untreated Fine Natural Triangle Cut Gemstone

By Gems and Jewels UK

Located in Birmingham, GB

GIA Certified 1.15Ct Blue Sapphire Untreated Fine Natural Triangle Cut Gemstone GIA Certified Untreated Deep Blue Sapphire Gemstone. 1.15 Carat unheated sapphire with a fine deep bl...

Category

21st Century and Contemporary More Jewelry

GIA Certified Untreated Australian Green Sapphire 18k Gold Diamond Halo Pendant
GIA Certified Untreated Australian Green Sapphire 18k Gold Diamond Halo Pendant

GIA Certified Untreated Australian Green Sapphire 18k Gold Diamond Halo Pendant

By Gems and Jewels UK

Located in Birmingham, GB

Natural Vivid Green Oval Cut Untreated Sapphire And Diamond 18k Yellow Gold Halo Pendant. 1.35 Total carat. 1.22 Carat GIA certified natural sapphire with a fine vivid yellow green ...

Category

21st Century and Contemporary Pendant Necklaces

Materials

Diamond, White Diamond, Sapphire, Yellow Sapphire, Green Sapphire, Gold,...

IGI Certified 1.46ct Colour Change Untreated Fancy Cut Sapphire Diamond Pendant
IGI Certified 1.46ct Colour Change Untreated Fancy Cut Sapphire Diamond Pendant

IGI Certified 1.46ct Colour Change Untreated Fancy Cut Sapphire Diamond Pendant

By Gems and Jewels UK

Located in Birmingham, GB

IGI Certified Untreated Fancy Pentagon Cut Untreated Colour Change Sapphire & Diamond 18k White Gold Pendant Necklace. A fine IGI certified 1.46 carat untreated sapphire with stunni...

Category

21st Century and Contemporary Pendant Necklaces

Materials

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

1.07ct Vivid Green Untreated IGI Certified Australian Sapphire Heart Cut Blister
1.07ct Vivid Green Untreated IGI Certified Australian Sapphire Heart Cut Blister

1.07ct Vivid Green Untreated IGI Certified Australian Sapphire Heart Cut Blister

By Gems and Jewels UK

Located in Birmingham, GB

1.07ct Vivid Green Untreated IGI Certified Australian Sapphire Heart Cut Blister Fine Vivid 'Blueish Yellowish Green' Untreated Heart Cut Sapphire In IGI Blister. 1.07 Carat with an...

Category

20th Century More Jewelry

Materials

Green Sapphire, Sapphire

11.49ct GIA Certified Grey Green Jadeite Jade ‘A’ Grade Cushion Untreated
11.49ct GIA Certified Grey Green Jadeite Jade ‘A’ Grade Cushion Untreated

11.49ct GIA Certified Grey Green Jadeite Jade ‘A’ Grade Cushion Untreated

By Gems and Jewels UK

Located in Birmingham, GB

11.49ct GIA Certified Grey Green Jadeite Jade ‘A’ Grade Cushion Untreated GIA Certified Untreated Grey Green Jadeite Gemstone. Unique 11.49 Carat with an excellent slim cushion cab...

Category

21st Century and Contemporary More Jewelry

Materials

Jade

IGI Certified 1.03 Colour Change Untreated Sapphire Diamond 18k Gold Pendant
IGI Certified 1.03 Colour Change Untreated Sapphire Diamond 18k Gold Pendant

IGI Certified 1.03 Colour Change Untreated Sapphire Diamond 18k Gold Pendant

By Gems and Jewels UK

Located in Birmingham, GB

A fine IGI certified 1.03 carat untreated sapphire with stunning colour change effect.

Category

21st Century and Contemporary Pendant Necklaces

Materials

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

GIA Certified Green Yellow Sapphire 1.20ct Untreated Round Cut Unheated Rare
GIA Certified Green Yellow Sapphire 1.20ct Untreated Round Cut Unheated Rare

GIA Certified Green Yellow Sapphire 1.20ct Untreated Round Cut Unheated Rare

By Gems and Jewels UK

Located in Birmingham, GB

GIA Certified Green Yellow Sapphire 1.20ct Untreated Round Cut Unheated Rare Rare Untreated VIVID Green Yellow Untreated Sapphire Gemstone. 1.20 Carat unheated sapphire. Fully cert...

Category

21st Century and Contemporary More Jewelry

Materials

Yellow Sapphire

1.07ct IGI Certified Pink Sapphire Untreated Yellow Gold Pear Cut Solitaire Ring
1.07ct IGI Certified Pink Sapphire Untreated Yellow Gold Pear Cut Solitaire Ring

1.07ct IGI Certified Pink Sapphire Untreated Yellow Gold Pear Cut Solitaire Ring

By Gems and Jewels UK

Located in Birmingham, GB

Natural IGI Certified Untreated Pink Sapphire 14k Yellow Gold Solitaire Ring. Stunning natural bright pink sapphire set in a fine 14k yellow gold solitaire ring. Totally untreated ...

Category

21st Century and Contemporary Solitaire Rings

Materials

Sapphire, Pink Sapphire, Gold, 14k Gold, Yellow Gold

1.06ct Colour Change Untreated Heart Sapphire IGI Certified 18k Gold Pendant
1.06ct Colour Change Untreated Heart Sapphire IGI Certified 18k Gold Pendant

1.06ct Colour Change Untreated Heart Sapphire IGI Certified 18k Gold Pendant

By Gems and Jewels UK

Located in Birmingham, GB

Untreated Heart Cut Colour Change Sapphire 18k White Gold Solitaire Pendant Necklace. A fine IGI certified 1.06 carat untreated sapphire with stunning colour change effect. Changin...

Category

21st Century and Contemporary Pendant Necklaces

Materials

Sapphire, Blue Sapphire, Green Sapphire, Yellow Sapphire, Gold, 18k Gold...

Natural 1.05ct Untreated Green Blue Sapphire Gia Certified Unheated Heart Cut If
Natural 1.05ct Untreated Green Blue Sapphire Gia Certified Unheated Heart Cut If

Natural 1.05ct Untreated Green Blue Sapphire Gia Certified Unheated Heart Cut If

By Gems and Jewels UK

Located in Birmingham, GB

Natural 1.05ct Untreated Green Blue Sapphire Gia Certified Unheated Heart Cut If GIA Certified Untreated Green Blue Heart Cut Sapphire Gemstone. 1.05 Carat unheated unique green blu...

Category

21st Century and Contemporary More Jewelry

Gia Certified Bi Colour Sapphire Natural 1.15ct Untreated Purple Pink Heart Cut
Gia Certified Bi Colour Sapphire Natural 1.15ct Untreated Purple Pink Heart Cut

Gia Certified Bi Colour Sapphire Natural 1.15ct Untreated Purple Pink Heart Cut

By Gems and Jewels UK

Located in Birmingham, GB

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

Category

21st Century and Contemporary More Jewelry

Light Green Natural Rutile Peridot 2.30 Carat Pear Cut Loose Gemstone for Ring
Light Green Natural Rutile Peridot 2.30 Carat Pear Cut Loose Gemstone for Ring

Light Green Natural Rutile Peridot 2.30 Carat Pear Cut Loose Gemstone for Ring

Located in Peshawar, PK

Expertly faceted in an elegant pear cut, this untreated gem showcases the remarkable character and natural beauty that make inclusion-bearing Peridots highly sought after by collecto...

Category

2010s Pakistani Contemporary Loose Gemstones

Materials

Peridot

UNTREATED Vivid Yellow Australia Natural Sapphire Diamond 18k White Gold Pendant
UNTREATED Vivid Yellow Australia Natural Sapphire Diamond 18k White Gold Pendant

UNTREATED Vivid Yellow Australia Natural Sapphire Diamond 18k White Gold Pendant

By Gems and Jewels UK

Located in Birmingham, GB

Vivid Yellow Untreated Sapphire & Diamond 18k White Gold Pendant Necklace. 0.80 Total carat untreated Australian sapphire with a beautiful vivid yellow colour and excellent clarity,...

Category

21st Century and Contemporary Pendant Necklaces

Materials

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

GIA Certified 1.19ct Parti Colour Thai Sapphire Blue Yellow Untreated Emerald
GIA Certified 1.19ct Parti Colour Thai Sapphire Blue Yellow Untreated Emerald

GIA Certified 1.19ct Parti Colour Thai Sapphire Blue Yellow Untreated Emerald

By Gems and Jewels UK

Located in Birmingham, GB

Rare Untreated Thailand Parti Colour Sapphire Gemstone. 1.19 Carat unheated sapphire with a rare parti colour effect. Showing blue and greenish yellow colours. Very rare and stunnin...

Category

21st Century and Contemporary Loose Gemstones

Materials

Sapphire, Blue Sapphire, Yellow Sapphire, Green Sapphire

1.36ct Natural Heart Cut Sapphire Gra Certified Deep Blue Teal Untreated If
1.36ct Natural Heart Cut Sapphire Gra Certified Deep Blue Teal Untreated If

1.36ct Natural Heart Cut Sapphire Gra Certified Deep Blue Teal Untreated If

By Gems and Jewels UK

Located in Birmingham, GB

1.36ct Natural Heart Cut Sapphire Gra Certified Deep Blue Teal Untreated If Natural GRA Certified Untreated Teal Blue Sapphire Heart Cut Gemstone. 1.36 Carat sapphire with a beautif...

Category

21st Century and Contemporary More Jewelry

IGI Certified Untreated Ceylon Yellow Sapphire Diamond 18k White Gold Pendant
IGI Certified Untreated Ceylon Yellow Sapphire Diamond 18k White Gold Pendant

IGI Certified Untreated Ceylon Yellow Sapphire Diamond 18k White Gold Pendant

By Gems and Jewels UK

Located in Birmingham, GB

IGI Certified Untreated Ceylon Yellow Sapphire & Diamond 18k White Gold Pendant Necklace. 0.90 Carat Ceylon sapphire with fine vivid pinkish yellow colour and excellent clarity, pra...

Category

21st Century and Contemporary Pendant Necklaces

Materials

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

Unique Untreated GIA Certified Parti Colour Sapphire Blue Yellow 0.82ct Pear VS
Unique Untreated GIA Certified Parti Colour Sapphire Blue Yellow 0.82ct Pear VS

Unique Untreated GIA Certified Parti Colour Sapphire Blue Yellow 0.82ct Pear VS

By Gems and Jewels UK

Located in Birmingham, GB

Very rare for natural gemstones, especially sapphires. Unique and rare gem. Fully certified by GIA confirming stone as natural and untreated.

Category

21st Century and Contemporary More Jewelry

Materials

Sapphire

Natural Gra Certified 1.06Ct Teal Blue Sapphire Untreated Heart Cut 6.3X5.7Mm If
Natural Gra Certified 1.06Ct Teal Blue Sapphire Untreated Heart Cut 6.3X5.7Mm If

Natural Gra Certified 1.06Ct Teal Blue Sapphire Untreated Heart Cut 6.3X5.7Mm If

By Gems and Jewels UK

Located in Birmingham, GB

Natural Gra Certified 1.06Ct Teal Blue Sapphire Untreated Heart Cut 6.3X5.7Mm If Natural GRA Certified Untreated Teal Blue Sapphire Gemstone. 1.06 Carat sapphire with a beautiful de...

Category

21st Century and Contemporary More Jewelry

1.10 Carat Teal Blue Sapphire Untreated GRA Certified Cushion Cut No Heat
1.10 Carat Teal Blue Sapphire Untreated GRA Certified Cushion Cut No Heat

1.10 Carat Teal Blue Sapphire Untreated GRA Certified Cushion Cut No Heat

By Gems and Jewels UK

Located in Birmingham, GB

1.10ct Teal Blue Sapphire Untreated GRA Certified Cushion Cut No Heat 6.4x5.4mm GRA Certified Fine Teal Blue Sapphire Untreated Loose Gem. 1.10 Carat sapphire with a beautiful teal ...

Category

21st Century and Contemporary More Jewelry

Materials

Blue Sapphire

GIA Certified Unique Bi Colour Sapphire 1.34Ct Yellow Blue Oval Cut Untreated
GIA Certified Unique Bi Colour Sapphire 1.34Ct Yellow Blue Oval Cut Untreated

GIA Certified Unique Bi Colour Sapphire 1.34Ct Yellow Blue Oval Cut Untreated

By Gems and Jewels UK

Located in Birmingham, GB

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

Category

21st Century and Contemporary More Jewelry

Materials

Sapphire

Certified Untreated Vivid Yellow Sapphire & Diamond 18 Karat White Gold Pendant
Certified Untreated Vivid Yellow Sapphire & Diamond 18 Karat White Gold Pendant

Certified Untreated Vivid Yellow Sapphire & Diamond 18 Karat White Gold Pendant

By Gems and Jewels UK

Located in Birmingham, GB

Natural Untreated Vivid Yellow Certified Sapphire & Diamond 18 Karat White Gold Pendant Necklace. Stunning natural yellow sapphire set in a fine 18k white gold diamond set pendant. ...

Category

21st Century and Contemporary Pendant Necklaces

Materials

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

4.44ct IGI Certified Untreated Jadeite Jade A Grade 18k Gold Cushion Pendant
4.44ct IGI Certified Untreated Jadeite Jade A Grade 18k Gold Cushion Pendant

4.44ct IGI Certified Untreated Jadeite Jade A Grade 18k Gold Cushion Pendant

By Gems and Jewels UK

Located in Birmingham, GB

Rare IGI Certified Untreated Jadeite Jade A-Grade Green Pendant Necklace. Fine 4.44 carat untreated jadeite stone with a beautiful dark green colour and excellent cushion cabochon c...

Category

21st Century and Contemporary Pendant Necklaces

Materials

Jade, Gold, 18k Gold, Yellow Gold

GIA Certified Untreated Cushion Blue Sapphire Diamond Three Stone 18k Gold Ring
GIA Certified Untreated Cushion Blue Sapphire Diamond Three Stone 18k Gold Ring

GIA Certified Untreated Cushion Blue Sapphire Diamond Three Stone 18k Gold Ring

By Gems and Jewels UK

Located in Birmingham, GB

GIA Certified Natural Untreated Cushion Cut Blue Sapphire & Diamond 18k Gold Three Stone Ring. 1.70 Total Carat Weight. 1.48 Carat fine colour deep blue cushion cut sapphire centre...

Category

21st Century and Contemporary Three-Stone Rings

Materials

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

1.46ct Fancy Untreated Colour Change Sapphire Diamond 18k Gold Halo Signet Ring
1.46ct Fancy Untreated Colour Change Sapphire Diamond 18k Gold Halo Signet Ring

1.46ct Fancy Untreated Colour Change Sapphire Diamond 18k Gold Halo Signet Ring

By Gems and Jewels UK

Located in Birmingham, GB

A fine IGI certified 1.06 carat untreated sapphire with stunning colour change effect.

Category

21st Century and Contemporary Cluster Rings

Materials

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

27.15Ct IGI Certified Grey White 'ice' Jadeite Jade ‘A’ Grade Cabochon Untreated
27.15Ct IGI Certified Grey White 'ice' Jadeite Jade ‘A’ Grade Cabochon Untreated

27.15Ct IGI Certified Grey White 'ice' Jadeite Jade ‘A’ Grade Cabochon Untreated

By Gems and Jewels UK

Located in Birmingham, GB

27.15Ct IGI Certified Grey White 'ice' Jadeite Jade ‘A’ Grade Cabochon Untreated IGI Certified Untreated A Grade Grey White Jadeite Gemstone. 27.15 Carat with an excellent oval cabo...

Category

21st Century and Contemporary More Jewelry

Materials

Jade

Natural Untreated Fancy Purple Pink Diamond 0.39ct AIG Certified Blister SI1 Cut
Natural Untreated Fancy Purple Pink Diamond 0.39ct AIG Certified Blister SI1 Cut

Natural Untreated Fancy Purple Pink Diamond 0.39ct AIG Certified Blister SI1 Cut

By Gems and Jewels UK

Located in Birmingham, GB

Natural Untreated Fancy Purple Pink Diamond 0.39ct AIG Certified Blister SI1 Cut Certified Fancy Purple Pink Diamond Sealed In AIG Seal. Natural untreated purple pink diamond with a...

Category

21st Century and Contemporary More Jewelry

Materials

Diamond, Pink Diamond

5.70ct GIA Certified Jadeite A Grade Jade Untreated Yellow Gold Oval Signet Ring
5.70ct GIA Certified Jadeite A Grade Jade Untreated Yellow Gold Oval Signet Ring

5.70ct GIA Certified Jadeite A Grade Jade Untreated Yellow Gold Oval Signet Ring

By Gems and Jewels UK

Located in Birmingham, GB

A stunning 5.70 carat untreated green jadeite jade set in a fine 9k yellow gold rubover bezel signet ring.

Category

21st Century and Contemporary Signet Rings

Materials

Jade, Gold, 9k Gold, Yellow Gold

GIA Certified 1.35ct Untreated Sapphire Green Blue & Diamond 18k White Gold Ring
GIA Certified 1.35ct Untreated Sapphire Green Blue & Diamond 18k White Gold Ring

GIA Certified 1.35ct Untreated Sapphire Green Blue & Diamond 18k White Gold Ring

By Gems and Jewels UK

Located in Birmingham, GB

Unique Untreated Greenish Blue Fancy Kite Cut Sapphire And Diamond 18k White Gold Halo Ring. 1.35 Total Carat. This fine ring features a beautiful 1.12 Carat centre sapphire with a ...

Category

21st Century and Contemporary British Cluster Rings

Materials

Diamond, White Diamond, Sapphire, Blue Sapphire, Green Sapphire, Gold, 1...

35.69ct GIA Certified Untreated Jadeite Jade A Grade 18k Yellow Gold Pendant
35.69ct GIA Certified Untreated Jadeite Jade A Grade 18k Yellow Gold Pendant

35.69ct GIA Certified Untreated Jadeite Jade A Grade 18k Yellow Gold Pendant

By Gems and Jewels UK

Located in Birmingham, GB

Rare GIA Certified Untreated Jadeite Jade A-Grade Green Pendant Necklace. Huge 35.69 carat beautiful untreated jadeite stone with a mottled green colour and very good oval cabochon ...

Category

21st Century and Contemporary Pendant Necklaces

Materials

Jade, Gold, 18k Gold, Yellow Gold

1.44ct IGI Certified Deep Teal Blue Untreated Sapphire 18k White Gold Pendant
1.44ct IGI Certified Deep Teal Blue Untreated Sapphire 18k White Gold Pendant

1.44ct IGI Certified Deep Teal Blue Untreated Sapphire 18k White Gold Pendant

By Gems and Jewels UK

Located in Birmingham, GB

Deep Teal Green Blue Untreated Sapphire 18k White Gold Pendant Necklace. A fine IGI certified 1.44 carat untreated sapphire with a stunning and unique deep green blue colour. The s...

Category

21st Century and Contemporary Pendant Necklaces

Materials

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

GIA Certified Untreated Asscher Sapphire Diamond 18k White Gold Three Stone Ring
GIA Certified Untreated Asscher Sapphire Diamond 18k White Gold Three Stone Ring

GIA Certified Untreated Asscher Sapphire Diamond 18k White Gold Three Stone Ring

By Gems and Jewels UK

Located in Birmingham, GB

GIA Certified Deep Blue Untreated Australian Sapphire & Diamond 18k White Gold Three Stone Ring. Rare GIA Certified 1.31 Carat Australian sapphire with a stunning deep blue colour. ...

Category

21st Century and Contemporary Three-Stone Rings

Materials

Diamond, Sapphire, Blue Sapphire, Green Sapphire, White Diamond, Gold, 1...

0.75ct Untreated Parti Colour Blue Green Sapphire Round 18k White Gold Pendant
0.75ct Untreated Parti Colour Blue Green Sapphire Round 18k White Gold Pendant

0.75ct Untreated Parti Colour Blue Green Sapphire Round 18k White Gold Pendant

By Gems and Jewels UK

Located in Birmingham, GB

Untreated Parti Colour Blue Green Sapphire 18k White Gold Pendant Necklace. 0.75 Carat sapphire with a unique blue green-yellow colour and excellent clarity, very clean stone. The s...

Category

21st Century and Contemporary Pendant Necklaces

Materials

Sapphire, Blue Sapphire, Yellow Sapphire, Green Sapphire, Gold, 18k Gold...

Unique Bi Colour Green Yellow Untreated Sapphire 18k Yellow Gold Pendant Rubover
Unique Bi Colour Green Yellow Untreated Sapphire 18k Yellow Gold Pendant Rubover

Unique Bi Colour Green Yellow Untreated Sapphire 18k Yellow Gold Pendant Rubover

By Gems and Jewels UK

Located in Birmingham, GB

Fine Bi Colour Green Yellow Untreated Australian Sapphire 18k Yellow Gold Pendant Necklace. 0.56 Carat round cut sapphire with a stunning vivid green yellow bi colour effect and exc...

Category

21st Century and Contemporary Pendant Necklaces

Materials

Sapphire, Yellow Sapphire, Green Sapphire, Gold, 18k Gold, Yellow Gold

1.05ct Untreated Green Blue Sapphire 18k White Gold Diamond Surround Set Pendant
1.05ct Untreated Green Blue Sapphire 18k White Gold Diamond Surround Set Pendant

1.05ct Untreated Green Blue Sapphire 18k White Gold Diamond Surround Set Pendant

By Gems and Jewels UK

Located in Birmingham, GB

Untreated Green Blue Sapphire 18k White Gold Diamond Surround Set Pendant. 1.05 Carat sapphire with fine vivid green blue colour and excellent clarity. Also has an excellent round c...

Category

21st Century and Contemporary Pendant Necklaces

Materials

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

GIA Certified 1.22ct Untreated Deep Red Ruby 18k Yellow Gold Oval East West Ring
GIA Certified 1.22ct Untreated Deep Red Ruby 18k Yellow Gold Oval East West Ring

GIA Certified 1.22ct Untreated Deep Red Ruby 18k Yellow Gold Oval East West Ring

By Gems and Jewels UK

Located in Birmingham, GB

Fully certified by GIA and AIGS gem labs. Confirming ruby as natural and untreated.

Category

21st Century and Contemporary British Solitaire Rings

Materials

Ruby, Gold, 18k Gold, Yellow Gold

GIA Certified Untreated Vivid Green Thai Sapphire & Diamond 18k Gold Halo Ring
GIA Certified Untreated Vivid Green Thai Sapphire & Diamond 18k Gold Halo Ring

GIA Certified Untreated Vivid Green Thai Sapphire & Diamond 18k Gold Halo Ring

By Gems and Jewels UK

Located in Birmingham, GB

GIA Certified Vivid Green Thai Sapphire And Diamond 18k Yellow And White Gold Halo Ring. 1.50 Carat Thai sapphire with a stunning vivid green yellow colour. Fully certified by GIA c...

Category

21st Century and Contemporary Cluster Rings

Materials

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

Lime Green Natural Peridot 7.60 Carat Oval Cut Loose Gemstones for Jewelry
Lime Green Natural Peridot 7.60 Carat Oval Cut Loose Gemstones for Jewelry

Lime Green Natural Peridot 7.60 Carat Oval Cut Loose Gemstones for Jewelry

Located in Peshawar, PK

The slightly included clarity is natural to genuine Peridot and adds character to these rare untreated gems. Whether used for bespoke fine jewelry or added to a gemstone collection, ...

Category

2010s Pakistani Contemporary Loose Gemstones

Materials

Peridot

IGI Certified Bi Colour Blue Orange Sapphire Untreated 18k Gold East West Ring
IGI Certified Bi Colour Blue Orange Sapphire Untreated 18k Gold East West Ring

IGI Certified Bi Colour Blue Orange Sapphire Untreated 18k Gold East West Ring

By Gems and Jewels UK

Located in Birmingham, GB

Rare Untreated Bi Colour Blue & Orange Australian Sapphire In a fine 18k Yellow Gold East West Rubover Bezel Solitaire Ring.

Category

21st Century and Contemporary British Signet Rings

Materials

Sapphire, Blue Sapphire, Yellow Sapphire, Gold, 18k Gold, Yellow Gold

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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.