Skip to main content

Untreated Gems

to
80
250
164
133
108
98
282
125
125
119
82
1
8
43
680
2
1
1
1
2
4
4
2
2
1
462
245
25
254
93
85
64
63
to
252
14
3
3
2
152
93
85
22
3
3
1
1
731
1
349
248
Sort By
5.18-Carat Natural Garnet — Deep Red Cushion Cut with Intense Fire
Located in Temse, BE
elegance and durability. This untreated gem originates from Africa, where the finest garnets are sourced
Category

2010s Loose Gemstones

Materials

Garnet

3.05 carats Red Spinel Stone Baguette Cut Natural Gemstone from Burma
Located in Bangkok, TH
rubies, yet with its own distinct sparkle. As a natural, untreated gem, it retains its authentic beauty
Category

21st Century and Contemporary Burmese Modern Loose Gemstones

Materials

Spinel

Deep Royal Blue Untreated Oval Cut Sapphire IGI Certified 0.63ct Loose Rare Gem
By Gems and Jewels UK
Located in Birmingham, GB
Deep Royal Blue Untreated Oval Cut Sapphire IGI Certified 0.63ct Loose Rare Gem Natural Deep Royal
Category

20th Century Loose Gemstones

Materials

Blue Sapphire

IGI Certified Untreated Purplish Pink Red Ruby 1.12ct Heart Cut Rare Blister Gem
By Gems and Jewels UK
Located in Birmingham, GB
Antwerp, one of the best and most well equipped gem labs. This stone is totally untreated and unheated
Category

21st Century and Contemporary Solitaire Rings

Materials

Ruby

GIA Certified Untreated Deep Teal Blue Thailand Sapphire 1.99 Carat Oval Cut Gem
By Gems and Jewels UK
Located in Birmingham, GB
GIA confirming stone as natural and untreated. Very rare for natural sapphires.
Mined in Thailand
Category

21st Century and Contemporary Solitaire Rings

Materials

Sapphire, Blue Sapphire

AIG Certified 4.51ct Jadeite Jade ‘A’ Grade Green Oval Untreated Rare Loose Gem
By Gems and Jewels UK
Located in Birmingham, GB
by AIG. Totally untreated Jadeite jade, referred to as ‘A’ grade in the trade. Mined in Burma
Category

21st Century and Contemporary Loose Gemstones

Materials

Jade

Untreated 0.57ct Vivid Green Sapphire Pear Teardrop Cut Gem
Located in Birmingham, GB
Untreated 0.57ct Vivid Green Sapphire Pear Teardrop Cut Gem 5.8 x 4mm Natural Vivid Green
Category

21st Century and Contemporary More Jewelry

Materials

Green Sapphire

Fine Australian Blue Purple Sapphire Untreated 0.53ct Cushion Cut Gem
Located in Birmingham, GB
Fine Australian Blue Purple Sapphire Untreated 0.53ct Cushion Cut Gem 4.5x4.2mm Natural Fine Blue
Category

21st Century and Contemporary More Jewelry

Fine 1.02ct Green Untreated Australian Sapphire Octagon Cut Loose Gem
Located in Birmingham, GB
Fine 1.02ct Green Untreated Australian Sapphire Octagon Cut 6.4x4.8mm Loose Gem Fine Natural
Category

21st Century and Contemporary Loose Gemstones

Materials

Sapphire

Fine 0.74ct Vivid Green Untreated Sapphire Australian Cushion Cut Gem
Located in Birmingham, GB
Fine 0.74ct Vivid Green Untreated Sapphire Australian Cushion Cut Gem 5 x 4.6mm Fine Natural
Category

21st Century and Contemporary More Jewelry

Fine 1.12ct Green Untreated Australian Sapphire Octagon Cut Loose Gem
Located in Birmingham, GB
Fine 1.12ct Green Untreated Australian Sapphire Octagon Cut 6.3 x 4.2mm Loose Gem Fine Natural
Category

21st Century and Contemporary Loose Gemstones

Materials

Sapphire

Fine Yellow Australian 0.84ct Untreated Sapphire Pear Teardrop Cut Gem
Located in Birmingham, GB
Fine Yellow Australian 0.84ct Untreated Sapphire Pear Teardrop Cut Gem 6.5 x 5mm Fine Natural
Category

21st Century and Contemporary More Jewelry

Materials

Sapphire

Vivid Yellow Untreated Australian Sapphire 0.49ct Pear Cut Loose Gem
Located in Birmingham, GB
Vivid Yellow Untreated Australian Sapphire 0.49ct Pear Cut 6.4 x 4.3mm Loose Gem Natural
Category

21st Century and Contemporary Loose Gemstones

Materials

Sapphire

Fine Australian 0.67ct Untreated Vivid Yellow Sapphire Emerald Cut Gem
Located in Birmingham, GB
Fine Australian 0.67ct Untreated Vivid Yellow Sapphire Emerald Cut Gem 5.3x3.6mm Fine Natural
Category

21st Century and Contemporary More Jewelry

Materials

Emerald, Yellow Sapphire

Untreated Emerald Ring Gem 0.68 Carat from Russia ICL Certified
By Tsarina Jewels
Located in Bangkok, TH
or Pendant. Shape - Octagon Weight - 0.68 ct Treatment - Untreated Measurements (L*W*H): 5.65 x
Category

2010s Russian Modern Engagement Rings

Materials

Emerald

GIA Blue Star Sapphire No Heat Sri Lanka Certified Natural Vintage 10.69 Carats
Located in Sylvania, GA
Heated To Improve Color and Clarity. Only The Top 1% Of Sapphires Don't Need It. These Untreated Gems
Category

20th Century Sri Lankan Loose Gemstones

Materials

Blue Sapphire, Star Sapphire, Platinum

Eye Clean Marquise Cut Untreated Russian Emerald Ring Gem 1.08 Carat
By Tsarina Jewels
Located in Bangkok, TH
unique stones we facet in-house from rough gems we source in Russia. We use only natural, untreated and
Category

2010s Russian Modern Engagement Rings

Materials

Emerald

Untreated Deep Red Natural Ruby 0.45ct Round Cut Rare Loose Gem
Located in Birmingham, GB
Untreated Deep Red Natural Ruby 0.45ct Round Cut Rare Loose Gem 4mm Natural Deep Red Untreated Red
Category

21st Century and Contemporary Loose Gemstones

Materials

Ruby

1.29ct Untreated Green Blue Sapphire IGI Certified Unheated Oval Cut Gem
Located in Birmingham, GB
1.29ct Untreated Green Blue Sapphire IGI Certified Unheated Oval Cut Gem Blue Green Untreated
Category

21st Century and Contemporary More Jewelry

Materials

Sapphire

GRA Certified 1.21ct Vivid Green Sapphire Untreated Oval Cut Rare Gem
Located in Birmingham, GB
GRA Certified 1.21ct Vivid Green Sapphire Untreated Oval Cut Rare Gem 6.6x5.6mm GRA Certified
Category

21st Century and Contemporary British More Jewelry

Materials

Sapphire, Green Sapphire

No Oil Emerald Ring Gem 16.27 Carat Certified Untreated Loose Gemstone
By Tamir
Located in Beverly Hills, CA
Ultra rare and exclusive 16.27 carat, untreated - no oil - Emerald gem, offered loose to a world
Category

21st Century and Contemporary Zambian Contemporary Loose Gemstones

Materials

Emerald, Beryl

Fine Vivid Purple Violet Spinel 1.54ct Cushion Cut Untreated Rare Gem
Located in Birmingham, GB
Fine Vivid Purple Violet Spinel 1.54ct Cushion Cut 7 x 6.2mm Untreated Rare Gem Natural Purple
Category

21st Century and Contemporary More Jewelry

Fine Vivid Purple Violet Spinel 1.54ct Cushion Cut Untreated Rare Gem
Located in Birmingham, GB
Fine Vivid Purple Violet Spinel 1.54ct Cushion Cut 7 x 6.2mm Untreated Rare Gem Natural Purple
Category

21st Century and Contemporary More Jewelry

1.49ct Untreated Colour Change Sapphire Green Blue Round Cut IGI Certified Gem
Located in Birmingham, GB
1.49ct Untreated Colour Change Sapphire Green Blue Round Cut IGI Certified Gem Rare Natural Colour
Category

21st Century and Contemporary More Jewelry

Materials

Sapphire

Untreated White Jadeite Jade 8.24ct A Grade IGI Certified Oval Cabcohon Gem
Located in Birmingham, GB
Untreated White Jadeite Jade 8.24ct A Grade IGI Certified Oval Cabcohon Gem Natural White
Category

21st Century and Contemporary More Jewelry

2.31ct Untreated Deep Green Blue Sapphire IGI Certified Unheated Oval Cut Gem
Located in Birmingham, GB
2.31ct Untreated Deep Green Blue Sapphire IGI Certified Unheated Oval Cut Gem Deep Blue Green
Category

21st Century and Contemporary More Jewelry

Materials

Sapphire

Untreated Sapphire 1.06ct GIA Certified Green Blue Emerald Cut Unheated Rare Gem
Located in Birmingham, GB
Untreated Sapphire 1.06ct GIA Certified Green Blue Emerald Cut Unheated Rare Gem GIA Certified
Category

21st Century and Contemporary British More Jewelry

Materials

Emerald, Sapphire

Untreated 1.23ct Vivid Green Blue Sapphire IGI Certified Unheated Oval Cut Gem
Located in Birmingham, GB
Untreated 1.23ct Vivid Green Blue Sapphire IGI Certified Unheated Oval Cut Gem Vivid Blue Green
Category

21st Century and Contemporary More Jewelry

Materials

Diamond

Fine Orange Pink Untreated Unheated Sapphire 0.60ct Heart Cut Loose Gem 5x5.2mm
Located in Birmingham, GB
Fine Orange Pink Untreated Unheated Sapphire 0.60ct Heart Cut Loose Gem 5x5.2mm Natural Untreated
Category

21st Century and Contemporary British Loose Gemstones

Materials

Sapphire, Pink Sapphire

Ceylon Vivid Purple Blue Untreated Sapphire 0.64ct Pear Cut IGI Certified Gem
Located in Birmingham, GB
Ceylon Vivid Purple Blue Untreated Sapphire 0.64ct Pear Cut IGI Certified Gem Vivid Purplish Blue
Category

21st Century and Contemporary More Jewelry

Materials

Sapphire

Fine Australian Green Blue Teal Untreated Sapphire 0.62ct Heart Cut Loose Gem
Located in Birmingham, GB
Fine Australian Green Blue Teal Untreated Sapphire 0.62ct Heart Cut Loose Gem Natural Untreated
Category

21st Century and Contemporary Loose Gemstones

Materials

Sapphire

Untreated Fancy Pink Purple Diamond IGI Certified Sealed Cushion Cut Loose Gem
Located in Birmingham, GB
Untreated Fancy Pink Purple Diamond IGI Certified Sealed Cushion Cut Loose Gem Certified Fancy
Category

21st Century and Contemporary Loose Gemstones

Australian 0.55ct Untreated Teal Green Blue Sapphire Round Cut
By Gems and Jewels UK
Located in Birmingham, GB
untreated and unheated, very rare for natural sapphires.
Category

21st Century and Contemporary More Jewelry

Materials

Blue Sapphire

Untreated Yellow Sapphire Round Cut Solitaire Platinum Crossover Ring
By Gems and Jewels UK
Located in Birmingham, GB
bright unique colour and excellent clarity. very clean stone. Also totally untreated and unheated, very
Category

2010s Solitaire Rings

Materials

Sapphire, Yellow Sapphire, Platinum

Fine 1.02ct Australia Untreated Blue Green Yellow Parti Colour Sapphire
By Gems and Jewels UK
Located in Birmingham, GB
untreated and unheated, very rare for natural sapphires. The gem also has an excellent oval cut and polish
Category

21st Century and Contemporary Pendant Necklaces

Materials

Sapphire, Blue Sapphire, Green Sapphire

1.10ct Untreated Blue Green Sapphire Oval Cut Loose Rare Australian
By Gems and Jewels UK
Located in Birmingham, GB
Natural Untreated Australian Blue Green Sapphire Gemstone. 1.10 carat stone with a beautiful blue
Category

21st Century and Contemporary Loose Gemstones

Materials

Green Sapphire, Sapphire, Blue Sapphire

IGI Certified Untreated 1.05 Carat Vivid Solitaire Sapphire Gold Ring
By Gems and Jewels UK
Located in Birmingham, GB
untreated and unheated, comes with full IGI report to confirm stone as natural and untreated. 1.05 carat
Category

21st Century and Contemporary Solitaire Rings

Materials

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

Fine Vivid Yellow Untreated Australian Sapphire 0.64ct Square Cushion Cut
By Gems and Jewels UK
Located in Birmingham, GB
and an excellent square cushion cut. Also has excellent clarity, very clean stone. Totally untreated
Category

21st Century and Contemporary Pendant Necklaces

Materials

Sapphire, Yellow Sapphire

IGI Certified Untreated 1.61ct Pink Purple Sapphire Solitaire Pendant Necklace
By Gems and Jewels UK
Located in Birmingham, GB
Natural untreated purplish pink sapphire solitaire pendant. Beautiful oval cut Sapphire. Set in a
Category

2010s Pendant Necklaces

Materials

Sapphire, Gold, 14k Gold, Yellow Gold

Deep Blue Untreated Thai Sapphire 1.55ct Rare IGI Certified Oval Cut Loose Gem
Located in Birmingham, GB
Deep Blue Untreated Thai Sapphire 1.55ct Rare IGI Certified Oval Cut Loose Gem Deep Blue Untreated
Category

21st Century and Contemporary Loose Gemstones

Materials

Sapphire

1.01ct Deep Blue Untreated Sapphire Rare IGI Certified Oval Cut Loose Rare Gem
Located in Birmingham, GB
1.01ct Deep Blue Untreated Sapphire Rare IGI Certified Oval Cut Loose Rare Gem Fine Deep Blue
Category

21st Century and Contemporary Loose Gemstones

Materials

Sapphire

0.81ct Parti Bi Colour Sapphire Untreated Blue Green Yellow Round Cut Loose Gem
Located in Birmingham, GB
0.81ct Parti Bi Colour Sapphire Untreated Blue Green Yellow Round Cut Loose Gem Rare Untreated
Category

21st Century and Contemporary British Loose Gemstones

Materials

Sapphire

GIA Certified 1.40ct Untreated Teal Green Blue Sapphire Diamond Platinum Pendant
By Gems and Jewels UK
Located in Birmingham, GB
confirming gem as untreated and unheated. Very rare for natural sapphires. The pendant is hanging on a 18
Category

21st Century and Contemporary Pendant Necklaces

Materials

Sapphire, Blue Sapphire, Diamond, Green Sapphire, Platinum

2.52ct GIA Certified Untreated Ceylon Blue Sapphire Diamond White Gold Pendant
By Gems and Jewels UK
Located in Birmingham, GB
diamond accented pendant. The sapphire is fully certified by GIA confirming the gem as untreated/unheated
Category

21st Century and Contemporary Pendant Necklaces

Materials

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

GIA Certified 1.45ct Untreated Vivid Green Thai Sapphire Asscher Emerald Octagon
By Gems and Jewels UK
Located in Birmingham, GB
GIA Certified 1.45ct Untreated Vivid Green Thai Sapphire Asscher Emerald Octagon GIA Certified
Category

20th Century More Jewelry

Materials

Sapphire, Emerald, Green Sapphire

1.05ct Certified Natural Untreated Pink Sapphire 18k White Gold Oval Pendant
By Gems and Jewels UK
Located in Birmingham, GB
Vivid Pink Purple Untreated Sapphire 18k White Gold Pendant Necklace. A fine IGI certified 1.05
Category

21st Century and Contemporary Pendant Necklaces

Materials

Sapphire, Pink Sapphire, Purple Sapphire, Gold, 18k Gold, White Gold

GIA Certified Colour Change 1.41ct Sapphire Green Purple Untreated Oval Unheated
By Gems and Jewels UK
Located in Birmingham, GB
Rare Untreated Colour Change Sapphire Gemstone. 1.41 Carat unheated sapphire with a rare colour
Category

21st Century and Contemporary Loose Gemstones

Materials

Sapphire, Blue Sapphire, Green Sapphire, Purple Sapphire

1.01ct Green Blue Teal Untreated Australian Sapphire 18k Yellow Gold Pendant
By Gems and Jewels UK
Located in Birmingham, GB
Deep Green Blue Untreated Australian Sapphire 18k Yellow Gold Solitaire Pendant. 1.01 Carat
Category

21st Century and Contemporary Pendant Necklaces

Materials

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

GIA Certified Colour Change Sapphire 0.76ct Untreated Round Cut Unheated Rare
By Gems and Jewels UK
Located in Birmingham, GB
Rare Untreated Colour Change Sapphire Gemstone. 0.76 Carat unheated sapphire with a rare colour
Category

21st Century and Contemporary Loose Gemstones

Materials

Sapphire

IGI Certified 1.15ct Untreated Green Blue Sapphire Oval Cut Unheated Gemstone
By Gems and Jewels UK
Located in Birmingham, GB
Natural untreated blue sapphire. 0.76 carat stone, with an excellent oval cut. Fully certified by
Category

21st Century and Contemporary Solitaire Rings

Materials

Sapphire, Blue Sapphire

IGI Certified Untreated Pink Sapphire Oval Cut Gold Solitaire Pendant Necklace
By Gems and Jewels UK
Located in Birmingham, GB
Natural untreated pink sapphire solitaire pendant. Beautiful oval cut Sapphire. Set in a fine 14k
Category

21st Century and Contemporary Pendant Necklaces

Materials

Sapphire, Pink Sapphire, Gold, Yellow Gold

GIA Certified 0.65 Carat Untreated Ceylon Blue Sapphire Gold Solitaire Ring
By Gems and Jewels UK
Located in Birmingham, GB
bright blue colour and excellent clarity. Totally untreated and unheated, comes with full GIA report to
Category

21st Century and Contemporary Solitaire Rings

Materials

Sapphire, Blue Sapphire, Gold, 14k Gold, White Gold

IGI Certified 1.41ct Untreated Vivid Green Sapphire 18k White Gold Pendant
By Gems and Jewels UK
Located in Birmingham, GB
Fine IGI Certified Untreated Vivid Green Sapphire 18k White Gold Pendant. 1.41 Carat sapphire with
Category

21st Century and Contemporary Pendant Necklaces

Materials

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

GCS Certified 4.90ct Untreated Jadeite Jade Cabochon 14k Gold Solitaire Pendant
By Gems and Jewels UK
Located in Birmingham, GB
Stunning 4.90 carat untreated green jadeite jade set in a fine 14k yellow gold solitaire pendant
Category

21st Century and Contemporary Pendant Necklaces

Materials

Jade, Gold, 14k Gold, Yellow Gold

GCI Certified 6.90 Carat Fine Green Jadeite Jade Untreated Cabochon Pendant
By Gems and Jewels UK
Located in Birmingham, GB
Stunning 6.90 carat untreated green jadeite jade set in a fine 14k yellow gold solitaire pendant
Category

21st Century and Contemporary Pendant Necklaces

Materials

Jade, Gold, 14k Gold, Yellow Gold

GIA Certified Untreated 2.13 Carat Ceylon Yellow Sapphire White Gold Pendant
By Gems and Jewels UK
Located in Birmingham, GB
Natural bright yellow untreated Ceylon sapphire white gold pendant. 2.13 Carat pear cut Sapphire
Category

21st Century and Contemporary Pendant Necklaces

Materials

Sapphire, Yellow Sapphire, Gold, 14k Gold, White Gold

IGI Certified Untreated Ceylon Blue Sapphire Diamond Engagement Ring 1.00 Carat
By Gems and Jewels UK
Located in Birmingham, GB
. Totally untreated and unheated, comes with full IGI report to confirm stone is untreated and Sri Lankan in
Category

21st Century and Contemporary Three-Stone Rings

Materials

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

  • 1
  • ...
Get Updated with New Arrivals
Save "Untreated Gems", and we’ll notify you when there are new listings in this category.

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.