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Art Deco Natural Tanzanite Ring 925 Sterling Silver For Women Bridal Ring
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 Art Deco Fashion Rings
Materials
Tanzanite, Platinum, Sterling Silver, Silver
Solid Wedding Engagement Tanzanite Ring 925 Sterling Silver Women
s Jewelry
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 Art Deco Fashion Rings
Materials
Emerald, Tanzanite, Sterling Silver, Silver
1.19 Ct Tanzanite
Cubic Zirconia Ethical Ring 925 Sterling Silver Bridal Ring
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 Fashion Rings
Materials
Tanzanite, Topaz, Sterling Silver
Natural Tanzanite Bridal Women
s Ring Round Shape 1.30 Cts of Engagement Ring
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 Solitaire Rings
Materials
Tanzanite, Sterling Silver, White Gold
0.86 Ct Tanzanite 925 Sterling Silver Halo Ring Bridal Wedding Ring For Women
s
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 Solitaire Rings
Materials
Tanzanite, Zircon, Sterling Silver, Silver
1.39 Ctw OVAL Amethyst 18K ROSE GOLD PLATED OVER 925 SILVER SILVER NECKLACE
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 Art Deco Drop Necklaces
Materials
Amethyst, Zircon, Rose Gold, Silver, Gold Plate
3.61 Ctw Amethyst Bridal Necklace Rose Gold Plated 925 Sterling Silver 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 Art Deco Drop Necklaces
Materials
Amethyst, Zircon, Rose Gold, Silver, Gold Plate, Sterling Silver
3.8 Cts Oct Shape Amethyst 18K ROSE GOLD PLATED OVER 925 SILVER BRIDAL NECKLACE
Located in New York, NY
, knowing that we only sell natural, untreated Amethyst stones. Our gems are 100 percent genuine and natural
Category
21st Century and Contemporary Central American Art Deco Drop Necklaces
Materials
Amethyst, Zircon, Rose Gold, Silver, Gold Plate
6.12 Ctw OVAL AMETHYST 18K ROSE GOLD PLATED OVER 925 SILVER NECKLACE JEWELRY
Located in New York, NY
only sell natural, untreated Amethyst stones. Our gems are 100 percent genuine and natural, offering
Category
21st Century and Contemporary Central American Art Deco Drop Necklaces
Materials
Amethyst, Rose Gold, Silver, Gold Plate
2.590 cts Trillion shape Amethyst 18K ROSE GOLD PLATED OVER 925 SILVER
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 Art Deco Drop Necklaces
Materials
Amethyst, Zircon, Rose Gold, Silver, Gold Plate
1.08 Ctw Amethyst Pendant Necklace 925 Sterling Silver 18K Rose Gold Jewelry
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 Art Deco Drop Necklaces
Materials
Amethyst, Zircon, Rose Gold, Silver, Gold Plate
Vintage Tanzanite Earrings, Tanzanite Gemstones Earring, Tanzanite Birthstone
Located in New York, NY
our shop, knowing that we only sell natural, untreated Tanzanite stones. Our gems are 100 percent
Category
21st Century and Contemporary Central American Art Deco Dangle Earrings
Materials
Tanzanite, Zircon, Rhodium, Sterling Silver, Silver
Krishna Oxidized Jewelry Indian jewelry, traditional Jewelry, Krishna thread
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 Asian Multi-Strand Necklaces
$828 Sale Price
20% Off
2.41 Ct Boulder Opal Triplet Necklace 925 Sterling Silver Engagement 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 Art Deco Pendant Necklaces
Materials
Opal, Sterling Silver
$272 Sale Price / item
20% Off
Antique temple
oxidised jewelry , also called as Ganesh Coin silver Jewelry
Located in New York, NY
buy confidently from our shop, knowing that we only sell natural, untreated Tanzanite stones. Our gems
Category
21st Century and Contemporary Asian Pendant Necklaces
Materials
Silver
$812 Sale Price
20% Off
GRS Certified 9.16 Carat Blue Sapphire Untreated Loose Gem
Located in Taipei, TW
natural and untreated quality, as most sapphires undergo some form of enhancement to improve their color
Category
21st Century and Contemporary Burmese Loose Gemstones
Materials
Blue Sapphire
GRS Certified 12.68 Carat Blue Sapphire Untreated Loose Gem
Located in Taipei, TW
rubies for over a thousand years, and is famous for its high-quality and beautiful gems. Burmese blue
Category
21st Century and Contemporary Loose Gemstones
Materials
Blue Sapphire
18 Karat Edwardian 36.0 Carat Untreated Multi-Gem Stone Diamond Rare Bracelet
Located in Napoli, IT
selected to give out a charming colour palette.
All Gemstones are untreated and unheated, rare as earth
Category
Antique Early 1900s Edwardian Link Bracelets
Materials
Diamond, Topaz, Tourmaline, 18k Gold
Natural Australian 5.8ct Black Opal Diamond Cocktail Ring 18K Yellow White Gold
By Renata Bernard
Located in Sydney, AU
desirable of all colours in Australian opals. It is a natural, untreated gem with a distinctive colour play
Category
2010s Australian Contemporary Cocktail Rings
Materials
Opal, Diamond, Black Opal, 18k Gold, Yellow Gold, White Gold
Berquin Certified 5.08 Carat Pink Spinel Cushion Gold Cocktail Ring
By Berquin
Located in Brussel, BE
untreated gems are becoming rare and hence this is definitely an "investment gemstone"!
The Pink Spinel is
Category
2010s Belgian Contemporary Cocktail Rings
Materials
Diamond, Spinel, 18k Gold, White Gold, Palladium, Rhodium
18 Karat White Gold Certified 11.5 Carat Cherry Rubelite Cushion Cocktail Ring
By Berquin
Located in Brussel, BE
excellent quality. The origin of the gemstone is Madagascar. Red untreated gems are becoming rare and hence
Category
2010s Belgian Contemporary Solitaire Rings
Materials
Rubelite, 18k Gold, Rose Gold, White Gold, Palladium, Rhodium
3.28ct Radiant Cut NO-OIL Untreated EMERALD Gemstone
By Hannaboya
Located in Lanham, MD
Meet natures 3.28ct Radiant Cut No-Oil Natural 100% Untreated Emerald Loose Gemstone. This gem
Category
2010s African Artisan Loose Gemstones
Materials
Emerald
Spectacular 100% Natural Untreated Persian Turquoise Necklace Diamond Clasp 1950
Located in Napoli, IT
Persian Turquoise Gemstone from Heaven!
Magnificent totally untreated 100% NATURAL as mined from
Category
Vintage 1950s Contemporary Beaded Necklaces
Materials
Diamond, Turquoise, 18k Gold
Renesim 4.26 Carat Sapphire Diamond Platinum "Holly Blue" Brooch
By Maximilian Hemmerle
Located in Munich, DE
appearance. The 4.26 carat antique-cut sapphire stands out for its untreated cornflower blue color. The gem
Category
21st Century and Contemporary German Modern Brooches
Materials
Diamond, Sapphire, Platinum
Garnet Rose Gold Ring, Natural Diamonds
Located in Mission Viejo, CA
size and 14k gold color.
Ring Information
Center Gem:
~ Natural untreated Rhodolite Garnet
~ Gemstone
Category
20th Century American Modern Engagement Rings
Materials
Diamond, Garnet, Rose Gold
Orange Spessartite Garnet, Sapphire, and Diamond Halo Interchangeable Earrings
Located in Princeton, NJ
.” – Alexia Connellan
The Gems:
The untreated spessartite garnets in the studs were ethically mined in
Category
2010s American Contemporary Chandelier Earrings
Materials
Diamond, Garnet, Sapphire, 18k Gold, Platinum
16 Carat Natural Salmon Coral 3.0 Carat Diamond F VVS Impressive Ring
Located in Napoli, IT
Below
Metal: 18 Kt white gold
Hallmarks: assay and maker
Gems: 1 natural untreated un dyed Salmon
Category
Vintage 1960s Italian Contemporary Cluster Rings
Materials
Coral, Diamond, 18k Gold
Genuine Persian Turquoise .80 Carat Diamond Rare Floret Stud Earrings
Located in Napoli, IT
/worn
Gems: 10 natural untreated Persian turquoise of 6 mm. x 8 mm. (average) – 2 old mine cut diamonds
Category
Antique Early 1900s Edwardian Stud Earrings
Materials
Diamond, Turquoise, 18k Gold, Platinum
Fantastic Timeless Style Green Jade Diamond Vintage Ring
Located in Napoli, IT
widest point
It can be re-sized
Further Details Below
Metal: 18 Kt yellow gold
Hallmarks: assay
Gems: 1
Category
Vintage 1970s Contemporary Cocktail Rings
Materials
Diamond, Jade, 18k Gold
Unheated Pink Purple Sapphire 0.47ct Oval Cut Loose Untreated Gem
Located in Birmingham, GB
Unheated Pink Purple Sapphire 0.47ct Oval Cut Loose Untreated Gem 5 x 3.8mm
Natural Untreated
Category
21st Century and Contemporary Loose Gemstones
Materials
Sapphire, Purple Sapphire
1.46ct Unheated Blue Green Yellow Sapphire Oval Cut IGI Certified Untreated Gem
Located in Birmingham, GB
1.46ct Unheated Blue Green Yellow Sapphire Oval Cut IGI Certified Untreated Gem
Bluish Yellowish
Category
21st Century and Contemporary More Jewelry
Materials
Sapphire
1.45ct AIG Certified Green Blue Sapphire Oval Cut Rare Untreated Gem No Heat
Located in Birmingham, GB
1.45ct AIG Certified Green Blue Sapphire Oval Cut Rare Untreated Gem No Heat
AIG Certified Blue
Category
21st Century and Contemporary British More Jewelry
Materials
Blue Sapphire
Vivid Green Australian Sapphire 1.12ct Heart Cut Untreated Gem
By Gems and Jewels UK
Located in Birmingham, GB
Natural Untreated Green Australian Sapphire Gemstone.
1.12 Carat with a beautiful vivid green
Category
21st Century and Contemporary Pendant Necklaces
Materials
Sapphire, Green Sapphire
Burma Red Spinel Ring Gem 5.05 Carat
By Merkaba
Located in Beverly Hills, CA
, untreated gem, is offered loose and would make an exceptional, unisex, custom made jewelry creation.
The AGL
Category
21st Century and Contemporary Burmese Modern Cocktail Rings
Materials
Spinel, Other, 18k Gold, Rose Gold, White Gold, Yellow Gold, Platinum
Blue Lapis Wave Design Yellow Gold Cufflinks
Located in Stamford, CT
Handmade custom cut bright blue Lapis cufflinks with untreated gem blue Lapis. Wave design. Secure
Category
Vintage 1960s Cufflinks
Materials
Lapis Lazuli, Gold, 18k Gold, Yellow Gold
Michael Kneebone Green Zircon Pave Diamond 18k Gold Dome Ring
By Michael Kneebone
Located in Austin, TX
and untreated gem of a lovely avocado green. Zircon has one of the highest refractive indexes of any
Category
2010s American Contemporary Dome Rings
Materials
White Diamond, Zircon, 18k Gold
Untreated Green Sapphire 0.71ct Oval Cut Loose Rare Australian Gem
By Gems and Jewels UK
Located in Birmingham, GB
Natural Untreated Green Sapphire Gemstone.
0.71 carat stone with a beautiful green colour and good
Category
21st Century and Contemporary Loose Gemstones
Materials
Green Sapphire
GIA Certified 1.46Ct Untreated
Lagoon
Blue Green Sapphire Cushion Cut Gem
By Gems and Jewels UK
Located in Birmingham, GB
GIA Certified 1.46Ct Untreated 'Lagoon' Blue Green Sapphire Cushion Cut Gem
Natural GIA Certified
Category
21st Century and Contemporary More Jewelry
Materials
Sapphire, Green Sapphire
FINE 1.12ct Green UNTREATED Australian Sapphire Octagon Cut 6.3x4.2mm Loose Gem
By Gems and Jewels UK
Located in Birmingham, GB
Fine Natural Untreated Australian Green Sapphire Gemstone.
1.12 Carat with a beautiful yellow
Category
21st Century and Contemporary Loose Gemstones
Materials
Sapphire, Green Sapphire
Fine Royal Blue Untreated Sapphire 0.83ct Oval Cut Loose Rare Gem
By Gems and Jewels UK
Located in Birmingham, GB
Fine Royal Blue Untreated Australian Sapphire Gemstone.
0.83 Carat with a beautiful royal blue
Category
21st Century and Contemporary Loose Gemstones
Materials
Sapphire, Blue Sapphire
Rare Untreated Colour Change Sapphire 1.21ct Pink Purple Triangle Trillion Gem
By Gems and Jewels UK
Located in Birmingham, GB
Rare Natural Untreated Colour Change Sapphire.
1.21 Carat with an excellent triangle trillion cut
Category
21st Century and Contemporary Pendant Necklaces
Materials
Sapphire, Purple Sapphire, Pink Sapphire
GIA Certified 1.04ct Untreated Vivid Yellow Sapphire Round Diamond Cut Gem
By Gems and Jewels UK
Located in Birmingham, GB
GIA Certified Untreated Yellow Sapphire Gemstone.
1.04 Carat unheated sapphire with a beautiful
Category
21st Century and Contemporary Solitaire Rings
Materials
Sapphire, Yellow Sapphire
Natural GIA CERTIFIED Colour Change Sapphire 1.00ct UNTREATED Oval Cut RARE Gem
By Gems and Jewels UK
Located in Birmingham, GB
Natural GIA CERTIFIED Colour Change Sapphire 1.00ct UNTREATED Oval Cut RARE Gem
GIA Certified Rare
Category
21st Century and Contemporary More Jewelry
Materials
Sapphire
IGI Certified Untreated Deep Green Blue Sapphire Emerald Cut 1.21ct Blister Gem
By Gems and Jewels UK
Located in Birmingham, GB
Natural untreated green blue loose sapphire in IGI Blister.
1.21 carat stone, with an excellent
Category
21st Century and Contemporary Solitaire Rings
Materials
Sapphire, Blue Sapphire, Green Sapphire
IGI Certified Ceylon Yellow Sapphire Untreated 1.14ct Rare Pear Teardrop Cut Gem
By Gems and Jewels UK
Located in Birmingham, GB
pear teardrop cut.
Fully certified by IGI in Antwerp, one of the best and most well equipped gem labs
Category
21st Century and Contemporary Solitaire Rings
Materials
Sapphire, Yellow Sapphire
IGI Certified Untreated Fancy Orange 0.15 Carat Round Cut Loose Blister Gem
By Gems and Jewels UK
Located in Birmingham, GB
Natural Fancy Orange loose diamond.
0.15 carat.
Untreated stone with rare and natural Fancy orange
Category
21st Century and Contemporary Loose Gemstones
Materials
Diamond, Yellow Diamond
IGI Certified Untreated Deep Blue Sapphire 1.01 Carat Pear Teardrop Cut Gem
By Gems and Jewels UK
Located in Birmingham, GB
cut.
Fully certified by IGI in Antwerp, one of the best and most well equipped gem labs.
Totally
Category
21st Century and Contemporary Solitaire Rings
Materials
Sapphire, Blue Sapphire
GIA Certified Untreated 1.21 Carat Light Blue Sapphire Pear Cut Loose Gem
By Gems and Jewels UK
Located in Birmingham, GB
Natural untreated light blue Sapphire.
1.21 carat stone with a good pear cut.
Fully certified by
Category
21st Century and Contemporary Loose Gemstones
Materials
Sapphire, Blue Sapphire
GIA Certified 2.51ct Untreated Blue Green Sapphire Pear Cut Unheated Rare Gem
By Gems and Jewels UK
Located in Birmingham, GB
Fine Untreated Greenish Blue Sapphire Gemstone.
Fine quality unheated sapphire with a beautiful
Category
21st Century and Contemporary Solitaire Rings
Materials
Sapphire, Blue Sapphire, Green Sapphire
GIA Certified Colour Change Sapphire 1.18ct Untreated Oval Cut Unheated Rare Gem
By Gems and Jewels UK
Located in Birmingham, GB
Rare Untreated Colour Change Sapphire Gemstone.
1.18 Carat unheated sapphire with a rare colour
Category
21st Century and Contemporary Loose Gemstones
Materials
Sapphire, Pink Sapphire, Purple Sapphire
GIA Certified Colour Change Sapphire 1.01ct Untreated Oval Cut Unheated Rare Gem
By Gems and Jewels UK
Located in Birmingham, GB
Rare Untreated Colour Change Sapphire Gemstone.
1.01 Carat unheated sapphire with a rare colour
Category
21st Century and Contemporary Loose Gemstones
Materials
Sapphire, Pink Sapphire, Purple Sapphire
GIA Certified 1.37ct Bi Colour Sapphire Green Yellow Untreated Emerald Cut Gem
By Gems and Jewels UK
Located in Birmingham, GB
Rare Untreated Bi Colour Sapphire Gemstone.
1.37 Carat unheated sapphire with a rare bi colour
Category
21st Century and Contemporary Pendant Necklaces
Materials
Sapphire, Blue Sapphire, Yellow Sapphire, Green Sapphire
GIA Certified 1.79ct Bi Colour Sapphire Blue Yellow Untreated Emerald Cut Gem
By Gems and Jewels UK
Located in Birmingham, GB
Rare Untreated Bi Colour Sapphire Gemstone.
1.79 Carat unheated sapphire with a rare bi colour
Category
21st Century and Contemporary Pendant Necklaces
Materials
Sapphire, Blue Sapphire, Yellow Sapphire, Green Sapphire
GIA Certified 1.09ct Untreated Deep Green Blue Sapphire Pear Cut Unheated Gem
By Gems and Jewels UK
Located in Birmingham, GB
untreated. Very rare for natural sapphires.
1.09 Carat with very good clarity, a very clean stone with only
Category
21st Century and Contemporary Loose Gemstones
Materials
Sapphire, Blue Sapphire, Green Sapphire
Natural Unheated Ruby Gia Certified Deep Red 0.67Ct Heart Cut Untreated Rare Gem
By Gems and Jewels UK
Located in Birmingham, GB
NATURAL UNHEATED Ruby GIA CERTIFIED Deep Red 0.67ct Heart Cut Untreated RARE Gem
GIA Certified
Category
21st Century and Contemporary More Jewelry
1.49ct Deep Blue GIA Certified Untreated Sapphire Pear Cut No Heat Rare Gem
By Gems and Jewels UK
Located in Birmingham, GB
1.49ct Deep Blue GIA Certified Untreated Sapphire Pear Cut No Heat Rare Gem
Untreated GIA
Category
21st Century and Contemporary More Jewelry
Materials
Sapphire, Blue Sapphire
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
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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.