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Natural Tanzanite Solitaire Pendant Necklace 925 Sterling Silver Fashion Jewelry
Located in New York, NY
, knowing that we only sell natural, untreated Tanzanite stones. Our gems are 100 percent genuine and
Category
21st Century and Contemporary Central American Art Deco Drop Necklaces
Materials
Tanzanite, Rhodium, Silver, Sterling Silver
925 Sterling Silver Natural Tanzanite Solitaire Pendant Necklace Fashion Jewelry
Located in New York, NY
confidently from our shop, knowing that we only sell natural, untreated Tanzanite stones. Our gems are 100
Category
21st Century and Contemporary Central American Art Deco Pendant Necklaces
Materials
Tanzanite, Rhodium, Silver, Sterling Silver
Natural Tanzanite Halo Pendant Necklace 14k White Gold Gift For Her (2.67 cts)
Located in New York, NY
only sell natural, untreated Tanzanite stones. Our gems are 100 percent genuine and natural, offering
Category
21st Century and Contemporary Central American Modern Pendant Necklaces
Materials
Diamond, Tanzanite, 14k Gold, White Gold, Rhodium
Hexagon Blue Tanzanite Halo Pendant Necklace 14k Gold Gift For Wife (2.26 cts)
Located in New York, NY
♥ Welcome to Blue Star Gems Our Joyful and Meaningful Jewelry
At Blue Star Gems, we are passionate
Category
21st Century and Contemporary Central American Modern Pendant Necklaces
Materials
Diamond, Tanzanite, 14k Gold
Oval Blue Tanzanite Halo Pendant Necklace 925 Silver Gift For Her (4.06 cts)
Located in New York, NY
, knowing that we only sell natural, untreated Tanzanite stones. Our gems are 100 percent genuine and
Category
21st Century and Contemporary Central American Art Deco Pendant Necklaces
Materials
Tanzanite, Rhodium, Silver
Natural Tanzanite Halo Pendant Necklace 14k White Gold Fashion Jewelry 2.23 Cts
Located in New York, NY
only sell natural, untreated Tanzanite stones. Our gems are 100 percent genuine and natural, offering
Category
21st Century and Contemporary Central American Art Deco Pendant Necklaces
Materials
Tanzanite, 14k Gold, White Gold, Rhodium
Tanzanite 14K Gold Rhodium SI2 Diamond Women
s Pendant 2.23 cts Gold Necklace
Located in New York, NY
♥ Welcome to Blue Star Gems Our Joyful and Meaningful Jewelry
At Blue Star Gems, we are passionate
Category
21st Century and Contemporary Central American Modern Chain Necklaces
Materials
Diamond, Tanzanite, 14k Gold
Natural Blue Tanzanite Halo Pendant Necklace 925 Silver Gift For Wife (3.36 cts)
Located in New York, NY
, knowing that we only sell natural, untreated Tanzanite stones. Our gems are 100 percent genuine and
Category
21st Century and Contemporary Central American Art Nouveau Drop Necklaces
Materials
Tanzanite, Zircon, Rhodium, Silver
Vintage Tanzanite Pendant Necklace 925 Sterling Silver Wedding Necklace Jewelry
Located in New York, NY
, knowing that we only sell natural, untreated Tanzanite stones. Our gems are 100 percent genuine and
Category
21st Century and Contemporary Central American Art Deco Pendant Necklaces
Materials
Tanzanite, Silver, Sterling Silver
Amethyst 925 18K 1MM Rose Metal Plated Women
s Pendant4.33cts
Located in New York, NY
confidently from our shop, knowing that we only sell natural, untreated Amethyst stones. Our gems are 100
Category
21st Century and Contemporary Central American Modern Pendant Necklaces
Materials
Amethyst
Cartier GIA Platinum Blue Sapphire Diamond Earrings 8.6 TCW Unheated HUGE
Located in Sylvania, GA
To Find These Fine Color Untreated Natural Gems.
Still Beautifully Kept in Rare Vintage Cartier
Category
Antique 19th Century Chandelier Earrings
Materials
Diamond, Blue Sapphire, Platinum
GIA 18K Blue Sapphire Diamond Ring Unheated Ceylon Gold Vintage Huge 17.52 Cts
Located in Sylvania, GA
) Extremely Rare To Find This Fine Color Sapphire Untreated Natural Gem.
99% Sapphires Are Treated By High
Category
Antique 18th Century Cocktail Rings
Materials
Diamond, Blue Sapphire, Gold, 18k Gold
GIA Certified 1.03ct Parti Colour Australian Sapphire Blue Yellow Untreated Gem
By Gems and Jewels UK
Located in Birmingham, GB
GIA Certified 1.03ct Parti Colour Australian Sapphire Blue Yellow Untreated Gem
Rare Untreated
Category
21st Century and Contemporary More Jewelry
Materials
Sapphire
1.13ct Vivid Green Australian Sapphire Heart Cut Untreated Gem
By Gems and Jewels UK
Located in Birmingham, GB
Natural Untreated Green Australian Sapphire Gemstone.
1.13 Carat with a beautiful vivid green
Category
21st Century and Contemporary Pendant Necklaces
Materials
Sapphire, Green Sapphire
Fine Vivid Yellow Australian Sapphire 0.63ct Heart Cut Untreated Gem
By Gems and Jewels UK
Located in Birmingham, GB
Natural Untreated Yellow Australian Sapphire Gemstone.
0.63 Carat with a beautiful vivid yellow
Category
21st Century and Contemporary Pendant Necklaces
Materials
Sapphire, Yellow Sapphire
1920
s Bracelet With 17 Carats of Rare Untreated Gems a/k/a Specimen Bracelet
Located in Northampton, MA
"specimen bracelet" containing eleven natural, unheated and untreated gemstones in varying sizes and cuts
Category
Vintage 1920s American Art Deco Link Bracelets
Materials
Amethyst, Garnet, Spinel, Zircon, Silver
Natural Red Coral Multi-Strand Necklace
Located in New York, NY
coral. These Natural Untreated Gems are joined by a 14k round white gold filigree clasp in the back
Category
21st Century and Contemporary American Contemporary Beaded Necklaces
Materials
Coral, 14k Gold, White Gold
GIA Certified 0.75ct Untreated Vivid Yellow Sapphire Cushion Cut Gem
By Gems and Jewels UK
Located in Birmingham, GB
GIA Certified 0.75ct Untreated Vivid Yellow Sapphire Cushion Cut Gem 5.9x4.1mm
GIA Certified
Category
20th Century More Jewelry
Materials
Yellow Sapphire
Vivid Green Untreated Sapphire 0.71ct Oval Cut Loose Rare Gem
By Gems and Jewels UK
Located in Birmingham, GB
Natural Vivid Green Untreated Sapphire Gemstone.
0.71 Carat with a beautiful vivid green colour
Category
21st Century and Contemporary Loose Gemstones
Materials
Sapphire, Green Sapphire
0.95ct Vivid Green Blue Sapphire Untreated Oval Cut Rare Gem
By Gems and Jewels UK
Located in Birmingham, GB
Natural Untreated Green Blue Sapphire Gemstone.
0.95 Carat with a unique green blue colour. Also
Category
21st Century and Contemporary Pendant Necklaces
Materials
Blue Sapphire
Untreated Sapphire Light Greenish Blue 0.72ct Pear Cut 6x4.8mm Vvs Gem
By Gems and Jewels UK
Located in Birmingham, GB
Untreated Sapphire Light Greenish Blue 0.72ct Pear Cut 6x4.8mm Vvs Gem
Natural Untreated Light
Category
20th Century More Jewelry
Materials
Sapphire
Fine Velvet Blue Sapphire Untreated 0.57ct Oval Cut Loose Diamond Gem
By Gems and Jewels UK
Located in Birmingham, GB
Natural Fine Blue Untreated Sapphire Gemstone.
0.57 Carat with a beautiful ‘velvet’ blue colour
Category
21st Century and Contemporary Loose Gemstones
Materials
Sapphire, Blue Sapphire
Russalite Men Diamond Ring, Yellow Gold, Oval Green Natural Gemstone Signet Ring
By Five Star Jewelry
Located in Austin, TX
year, Russalite is one of the newest, most exciting gemstones. An all natural untreated gem of unique
Category
21st Century and Contemporary American Modern Cocktail Rings
Materials
Diamond, Emerald, Gold, 14k Gold, Yellow Gold
Fine 1.27ct Blue Green Australian Sapphire Untreated Oval Cut Rare Gem
By Gems and Jewels UK
Located in Birmingham, GB
FINE Untreated Australian Green Blue Sapphire Gemstone.
1.27 Carat with a beautiful and unique
Category
21st Century and Contemporary Pendant Necklaces
Materials
Sapphire
GIA Certified 1.07ct Untreated Vivid Yellow Thailand Sapphire Emerald Cut Gem
By Gems and Jewels UK
Located in Birmingham, GB
GIA Certified Untreated Yellow Sapphire Gemstone.
1.07 Carat unheated sapphire with a beautiful
Category
21st Century and Contemporary Loose Gemstones
Materials
Sapphire, Yellow Sapphire
Fine 1.02ct Sapphire GIA Certified Purple Lilac Untreated Oval Cut Gem 6.6X4.7mm
By Gems and Jewels UK
Located in Birmingham, GB
Fine 1.02ct Sapphire GIA Certified Purple Lilac Untreated Oval Cut Gem 6.6X4.7mm
GIA Certified
Category
21st Century and Contemporary More Jewelry
Materials
Sapphire
Untreated 0.79ct Natural Teal Sapphire Deep Green Blue Pear Cut Gem VS
By Gems and Jewels UK
Located in Birmingham, GB
Untreated 0.79ct Natural Teal Sapphire Deep Green Blue Pear Cut Gem 7.1x4.6mm VS
Natural Unheated
Category
20th Century More Jewelry
Materials
Sapphire
Unique 1.09ct Untreated Blue Sapphire IGI Certified Oval Cut Unheated Loose Gem
By Gems and Jewels UK
Located in Birmingham, GB
Unique 1.09ct Untreated Blue Sapphire IGI Certified Oval Cut Unheated Loose Gem
Natural Untreated
Category
20th Century Loose Gemstones
Materials
Blue Sapphire
GIA Certified 1.01ct Vivid Blue Untreated Sapphire Oval Cut Unheated Rare Gem
By Gems and Jewels UK
Located in Birmingham, GB
Fine Blue Untreated Sapphire Gemstone.
Fine quality unheated sapphire with a beautiful blue colour
Category
21st Century and Contemporary Loose Gemstones
Materials
Sapphire, Blue Sapphire
1.02ct Australian Untreated Yellow Green Blue Parti Colour Sapphire Oval Cut Gem
By Gems and Jewels UK
Located in Birmingham, GB
Natural Untreated Parti Colour - Green Yellow Blue Australian Sapphire Gemstone.
1.02 Carat with a
Category
21st Century and Contemporary Pendant Necklaces
Materials
Sapphire, Yellow Sapphire, Blue Sapphire, Green Sapphire
GIA Certified 2.49ct Colour Change Sapphire Blue Purple Untreated Oval Cut Gem
By Gems and Jewels UK
Located in Birmingham, GB
Rare Untreated Colour Change Sapphire Gemstone.
2.49 Carat unheated sapphire with a rare colour
Category
21st Century and Contemporary Pendant Necklaces
Materials
Sapphire, Blue Sapphire, Pink Sapphire, Green Sapphire
GIA Certified Color Change Sapphire 2.07ct Untreated Oval Cut Unheated Rare Gem
By Gems and Jewels UK
Located in Birmingham, GB
Rare Untreated Colour Change Sapphire Gemstone.
2.07 Carat unheated sapphire with a rare colour
Category
21st Century and Contemporary Loose Gemstones
Materials
Sapphire, Blue Sapphire, Green Sapphire, Pink Sapphire
IGI Certified Untreated Deep Pink Purple Sapphire 0.92ct Oval Cut Sealed Gem
By Gems and Jewels UK
Located in Birmingham, GB
visible as shown in photos.
Fully certified by IGI Antwerp.
Totally untreated and unheated, very rare
Category
21st Century and Contemporary Pendant Necklaces
Materials
Sapphire, Purple Sapphire
10.50 Carat Loose Fine Sphene Stone Modified Emerald Madagascar
s Gemstone
Located in Bangkok, TH
statement piece, this untreated gem offers a perfect blend of uniqueness, elegance, and visual impact.
Category
21st Century and Contemporary Malagasy Modern Loose Gemstones
Materials
Emerald
1.27ct Purple Yellow Blue Untreated Oval Cut Sapphire IGI Loose Rare Loose Gem
By Gems and Jewels UK
Located in Birmingham, GB
1.27ct Purple Yellow Blue Untreated Oval Cut Sapphire IGI Loose Rare Loose Gem
Unique Colour
Category
20th Century Loose Gemstones
Materials
Blue Sapphire, Sapphire
4.50 Carat Natural Loose Bi Color Tourmaline Stone Emerald Cut Afghan Gemstone
Located in Bangkok, TH
. Sourced from the rich mines of Afghanistan, this untreated gem embodies natural beauty and uniqueness
Category
21st Century and Contemporary Afghan Modern Loose Gemstones
Materials
Tourmaline
21.40 carats Pink Kunzite Stone Emerald Cut Natural Afghan Gemstone
Located in Bangkok, TH
natural, untreated gem sourced from the renowned mines of Afghanistan, celebrated for producing some of
Category
21st Century and Contemporary Afghan Modern Loose Gemstones
Materials
Kunzite
Mandarin Garnet Gem 3.65 Carat Oval Untreated
By Merkaba
Located in Beverly Hills, CA
3.65 carat Mandarin Garnet oval gem.
Returns are accepted and paid by us within 7 days of delivery
Category
21st Century and Contemporary American Contemporary Cocktail Rings
Materials
Diamond, White Diamond, Garnet, Multi-gemstone, Other
Vivid Green Untreated Sapphire 0.79ct Australian Oval Cut Gem
Located in Birmingham, GB
Vivid Green Untreated Sapphire 0.79ct Australian Oval Cut Gem 5.5 x 4.6mm
Natural Untreated Vivid
Category
21st Century and Contemporary More Jewelry
Materials
Sapphire
Fine Green 0.53ct Sapphire Round Cut Untreated Loose Rare Gem Vs
Located in Birmingham, GB
Fine Green 0.53ct Sapphire Round Cut Untreated Loose Rare Gem Vs 5.2mm
Natural Untreated Green
Category
21st Century and Contemporary Loose Gemstones
Materials
Sapphire
1.04ct Australia Untreated Blue Green Yellow Parti Colour Sapphire
By Gems and Jewels UK
Located in Birmingham, GB
stone with only some small natural inclusions visible when looking closely.
Totally untreated and
Category
21st Century and Contemporary Pendant Necklaces
Materials
Sapphire, Yellow Sapphire, Blue Sapphire, Green Sapphire
Purple Blue Untreated Sapphire 0.88ct Rare IGI Certified Pear Cut Loose Gem
Located in Birmingham, GB
Purple Blue Untreated Sapphire 0.88ct Rare IGI Certified Pear Cut Loose Gem
Purplish Blue
Category
21st Century and Contemporary Loose Gemstones
Materials
Sapphire
Australian 0.67ct Untreated Yellow Green Parti Colour Sapphire Oval
By Gems and Jewels UK
Located in Birmingham, GB
Natural Untreated Parti Colour - Green Yellow Blue Australian Sapphire Gemstone.
0.67 Carat with a
Category
21st Century and Contemporary More Jewelry
Materials
Sapphire, Yellow Sapphire, Green Sapphire
Certified Untreated Jadeite Jade Bangle Bracelet Mottled Green 88.5g
By Gems and Jewels UK
Located in Birmingham, GB
Beautiful natural and untreated jadeite jade bangle.
Has a beautiful mottled green colour, and an
Category
21st Century and Contemporary Bangles
Materials
Jade
GIA Certified Untreated Violet Blue Sapphire
Diamond Platinum Pendant Necklace
By Gems and Jewels UK
Located in Birmingham, GB
GIA confirming gem as untreated and unheated. Very rare for natural sapphires.
The pendant is hanging
Category
21st Century and Contemporary Pendant Necklaces
Materials
Diamond, Sapphire, Blue Sapphire, White Diamond, Purple Sapphire, Platinum
Fine Australian Untreated Green Yellow 0.86ct Parti Colour Sapphire Oval
By Gems and Jewels UK
Located in Birmingham, GB
.
Totally untreated and unheated, very rare for natural sapphires.
The gem also has an excellent oval cut
Category
21st Century and Contemporary Loose Gemstones
Materials
Sapphire, Blue Sapphire, Yellow Sapphire
IGI Certified 1.02 Colour Change Untreated Sapphire Diamond Platinum Pendant
By Gems and Jewels UK
Located in Birmingham, GB
untreated sapphire with stunning colour change effect. Changing colour depending on the light its viewed in
Category
21st Century and Contemporary Pendant Necklaces
Materials
Sapphire, Blue Sapphire, Green Sapphire, Diamond, Platinum
3.80 Carat Natural Loose Untreated Aquamarine Fancy Cut Shield Shape Ring Gem
Located in Peshawar, PK
color or clarity, but natural, untreated aquamarines with vivid coloration command the highest value in
Category
21st Century and Contemporary Pakistani Arts and Crafts Loose Gemstones
Materials
Aquamarine
GIA Certified Sealed 1.01 Carat Fancy Yellow Untreated Cushion Cut Diamond
By Gems and Jewels UK
Located in Birmingham, GB
Natural Fancy Yellow loose diamond. 1.01 carat cushion cut.
Untreated stone with rare and natural
Category
21st Century and Contemporary Solitaire Rings
Materials
Diamond, Yellow Diamond
GIA Certified 1.01ct Ceylon Blue Sapphire Untreated Unheated Heart Cut Gemstone
By Gems and Jewels UK
Located in Birmingham, GB
Fine Blue GIA Certified Untreated Ceylon Sapphire.
1.01 Carat with an excellent heart cut and
Category
21st Century and Contemporary Loose Gemstones
Materials
Sapphire, Blue Sapphire
IGI Certified Australian 1.17ct Untreated Green Blue Teal Sapphire Cushion Cut
By Gems and Jewels UK
Located in Birmingham, GB
Deep Green Blue ‘Teal’ Untreated Sapphire.
1.17 Carat with an excellent oval cut and excellent
Category
21st Century and Contemporary Pendant Necklaces
Materials
Sapphire, Blue Sapphire, Green Sapphire
Untreated Purple Sapphire Round Cut 18 Karat White Gold Solitaire Pendant
By Gems and Jewels UK
Located in Birmingham, GB
Natural untreated purple sapphire solitaire pendant.
Beautiful round cut Sapphire. Set in a fine
Category
21st Century and Contemporary Pendant Necklaces
Materials
Sapphire, Pink Sapphire, Gold, 18k Gold, White Gold
GIA Certified Untreated Heart Cut Ruby 18k Yellow Gold Pendant Necklace
By Gems and Jewels UK
Located in Birmingham, GB
GIA Certified Natural Untreated Heart Cut Deep Red Ruby 18k Yellow Gold Solitaire Pendant Necklace
Category
21st Century and Contemporary Pendant Necklaces
Materials
Diamond, White Diamond, Ruby, Gold, 18k Gold, Yellow Gold
IGI Certified 1.37 Carat Purplish Pink Untreated Sapphire Gold Solitaire Ring
By Gems and Jewels UK
Located in Birmingham, GB
colour and very good clarity.
Totally untreated and unheated, comes with full IGI report to confirm
Category
21st Century and Contemporary Solitaire Rings
Materials
Sapphire, Pink Sapphire, 18k Gold, White Gold, Yellow Gold, Mixed Metal
Untreated 0.90ct Parti Colour Australia Sapphire Blue Green Pear Cut Gemstone
By Gems and Jewels UK
Located in Birmingham, GB
Untreated Greenish Blue Parti-Colour/Bi colour Australian Sapphire Gemstone.
0.90 Carat with a
Category
21st Century and Contemporary Loose Gemstones
Materials
Sapphire, Blue Sapphire, Green Sapphire
IGI Antwerp Certified Untreated Ceylon Pink Orange Sapphire Solitaire Gold Ring
By Gems and Jewels UK
Located in Birmingham, GB
untreated and unheated, comes with full IGI report to confirm stone is untreated and Ceylon in origin.
1.10
Category
21st Century and Contemporary Solitaire Rings
Materials
Sapphire, Pink Sapphire, Gold, 14k Gold, Yellow Gold
2.63ct IGI Certified Colour Change Untreated Sapphire 18k White Gold Pendant
By Gems and Jewels UK
Located in Birmingham, GB
untreated sapphire with stunning colour change effect. Changing colour depending on the light its viewed in
Category
21st Century and Contemporary Pendant Necklaces
Materials
Sapphire, Blue Sapphire, Green Sapphire, Pink Sapphire, Purple Sapphire,...
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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.