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1.14 carat, non heat treated, shield cut Sri Lankan sapphire
By Glitter and Gold Studio
Located in Seattle, WA
.
This gem is non heat treated and comes with a certification from the CSL laboratory. It measures 8.15mm
Category
2010s Sri Lankan Loose Gemstones
Materials
Sapphire
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W 0.2 in D 0.14 in L 0.33 in
GIA 3.15ct Oval Cut Sapphire Cocktail Ring, Diamond Halo, Platinum, Non-Heat
Located in New York, NY
A captivating platinum ring showcases a GIA-certified 3.15-carat natural non-heat treated sapphire
Category
21st Century and Contemporary Unknown Art Deco Cocktail Rings
Materials
Diamond, Sapphire, Platinum
Multicolor No-Heat Sapphires Ring
Located in New York, NY
Finely crafted in 18k yellow and white gold with 4 multicolor Emerald cut non-heat treated
Category
20th Century Cocktail Rings
Materials
Sapphire, 18k Gold
Bvlgari 10.36 Carat Ceylon No-Heat Sapphire Ring with Diamonds
By Bulgari
Located in New York, NY
with an AGL certified Ceylon origin, non-heat treated Oval cut Sapphire weighing 10.36 carats. The
Category
Vintage 1950s Italian More Rings
Materials
Diamond, Sapphire, Platinum, 18k Gold
Verdura 20.01 Carat Ceylon No Heat Sapphire Flower Brooch with Diamonds
By Verdura
Located in New York, NY
Finely crafted in 18k yellow gold and platinum with an AGL certified center Ceylon origin, non-heat
Category
Vintage 1950s Italian Brooches
Materials
Sapphire, Diamond, 18k Gold
18K Fossilized Shark Tooth White Diamond Pave and Pyrite Statement Earrings
By Cresta Bledsoe Fine Jewelry
Located in Ponte Vedra Beach, FL
, ethically mined, non-heat treated gemstones and conflict free diamonds.
Upon collecting Shark Tooth
Category
2010s Drop Earrings
Materials
Pyrite, White Diamond, 18k Gold
Cartier 7.51 Carat GIA Certified Burma Sapphire, Diamond, Gold and Platinum Ring
By Cartier
Located in London, GB
A Cartier sapphire ring, set with a 7.51ct emerald-cut, non heat treated Burma sapphire. The
Category
21st Century and Contemporary British Cocktail Rings
Materials
Diamond, Sapphire, 18k Gold, Platinum
Derbyshire Blue John Chalice
Located in Tunbridge Wells, GB
: Height 26.5cm
Condition : Excellent. Non-heat treated.Made with traditional pine resin and bees wax
Category
Late 20th Century British Tableware
Materials
Stone
18K Marble, Black Diamond and Vintage Wooden Ball Statement Earrings
By Cresta Bledsoe Fine Jewelry
Located in Ponte Vedra Beach, FL
-kind and handmade by a single artisan in the USA with conflict-free diamonds, natural non-heat treated
Category
2010s Drop Earrings
Materials
Black Diamond, 18k Gold
4.40 Carat GIA Certified Natural Untreated Sapphire and Diamond Ring
Located in Solvang, CA
gold ring has one GIA certified natural (non heat treated) sapphire at 4.40 carats. This estate
Category
Early 2000s Engagement Rings
Materials
Diamond, Sapphire, White Gold
Non Heated 1.03 Carat Thai Ruby and Diamond Cluster Ring in Yellow Gold
Located in Jesmond, Newcastle Upon Tyne
heat treated ruby ring has been independently tested using state of the art technology (Niton XL2
Category
Vintage 1930s Unknown Cluster Rings
Materials
Diamond, Ruby, Gold, 18k Gold, Yellow Gold, Platinum
Spectra Fine Jewelry, AGL Certified 7.80 Carat Burma Sapphire Diamond Ring
By Spectra Fine Jewelry
Located in New York, NY
off to a solid and bold start.
Size US 7, can be resized. Center Burmese non-heat treated sapphire
Category
21st Century and Contemporary American Cocktail Rings
Materials
Diamond, Sapphire, Platinum
Blue Sapphire and Diamond Spray Non-Pierced Earrings in 18 Karat Multi Gold
Located in Scottsdale, AZ
sapphires have been determined to be heat treated. In between the sapphires are 2.00 carats of natural
Category
Late 20th Century Unknown Contemporary Clip-on Earrings
Materials
Diamond, Blue Sapphire, Gold, 18k Gold, Rose Gold, Yellow Gold
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W 0.99 in L 0.99 in
No Heat 4.84 Carat Violet-Blue Ceylon Sapphire with Diamonds in 18K Gold Ring
By Gad & Co.
Located in Miami, FL
natural sapphire exudes a violet-blue hue and weighs 4.84 carats. Non-treated sapphire. Adorned with 124
Category
21st Century and Contemporary North American Contemporary Engagement Rings
Materials
Diamond, Sapphire, Gold, 18k Gold, White Gold
'Osa' Outdoor Dining Chair in Solid Pine for Vaarnii
By Vaarnii
Located in Glendale, CA
Osa Outdoor Dining Chair in Solid Pine for Vaarnii.
The innovative heat-treated pine used in the
Category
21st Century and Contemporary Finnish Mid-Century Modern Chairs
Materials
Wood, Pine
7.00 Carat Octagon Cut Natural Loose Lemon Quartz Citrine Gem For Ring Size
Located in Peshawar, PK
produced by heat-treating amethyst or smoky quartz, a process that mimics the conditions under which
Category
21st Century and Contemporary Brazilian Arts and Crafts Loose Gemstones
Materials
Citrine
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W 0.48 in D 0.34 in L 0.48 in
Small 'Osa' Outdoor Dining Table in Solid Finnish Pine for Vaarnii
By Fredrik Paulsen, Vaarnii
Located in Glendale, CA
Small 'Osa' outdoor dining table in solid Finnish pine for Vaarnii
The innovative heat-treated
Category
21st Century and Contemporary Finnish Mid-Century Modern Dining Room Tables
Materials
Wood, Pine
Geronimo Small Extendible Grey Fenix Top Table with Black Ash by Paolo Cappello
By Miniforms, Paolo Cappello
Located in Brooklyn, NY
. The central column is available in ash or black ash. The top is available in flamed oak, heat-treated
Category
21st Century and Contemporary Italian Modern Tables
Materials
Metal
H 29.53 in W 55.12 in D 31.5 in
Geronimo Large Extendible Grey Fenix Top Table with Black Ash by Paolo Cappello
By Miniforms, Paolo Cappello
Located in Brooklyn, NY
, thundernight, black ash, canaletto walnut, flamed oak, heat-treated oak, vintage oak
Available in other frame
Category
21st Century and Contemporary Italian Modern Tables
Materials
Metal
H 29.53 in W 59.06 in D 35.44 in
Gia Certified Cocktail Ring In Platinum With 5.79 Ctw In Sapphire And Diamonds
Located in Miami, FL
Cocktail ring with a non heat sapphire and diamonds.
An statement cocktail ring crafted with
Category
Early 2000s American Modernist Cocktail Rings
Materials
Diamond, White Diamond, Sapphire, Blue Sapphire, Platinum
Gualtiero Small Extendible Black Fenix Top Table with Oak Frame by Paolo
By Paolo Cappello, Miniforms
Located in Brooklyn, NY
, heat-treated oak, black ash, vintage oak, Fenix with wooden edges or lacquered
Born in 1980 in
Category
21st Century and Contemporary Italian Modern Tables
Materials
Oak
H 30.71 in W 55.12 in D 31.5 in
Gualtiero Small Extendible Table with Black Top & Oak Frame by Paolo Cappello
By Paolo Cappello, Miniforms
Located in Brooklyn, NY
, heat-treated oak, black ash, vintage oak, Fenix with wooden edges or lacquered
Born in 1980 in Verona
Category
21st Century and Contemporary Italian Modern Tables
Materials
Oak
H 30.71 in W 55.12 in D 31.5 in
Gualtiero Large Extendible Table with Black Top & Oak Frame by Paolo Cappello
By Paolo Cappello, Miniforms
Located in Brooklyn, NY
, heat-treated oak, black ash, vintage oak, Fenix with wooden edges or lacquered
Born in 1980 in Verona
Category
21st Century and Contemporary Italian Modern Tables
Materials
Oak
H 30.71 in W 70.87 in D 31.5 in
8.55 Carats Natural Loose Emerald Shape Citrine Gem For Jewellery Making
Located in Peshawar, PK
. However, it's essential to note that some citrine available in the market might be heat-treated amethyst
Category
21st Century and Contemporary Brazilian Arts and Crafts Loose Gemstones
Materials
Citrine
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W 0.46 in D 0.32 in L 0.56 in
Gualtiero Large Extendible Black Fenix Top Table with Oak Frame by Paolo
By Paolo Cappello, Miniforms
Located in Brooklyn, NY
, heat-treated oak, black ash, vintage oak, Fenix with wooden edges or lacquered
Born in 1980 in Verona
Category
21st Century and Contemporary Italian Modern Tables
Materials
Oak
H 30.71 in W 70.87 in D 31.5 in
Stunning 2.80 Carats Natural Loose Yellow Citrine Fancy Trillion Cut Ring Gem
Located in Peshawar, PK
been heat-treated to achieve the desired golden hue. This heat treatment does not diminish the gem's
Category
20th Century Brazilian Arts and Crafts Loose Gemstones
Materials
Citrine
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W 0.39 in D 0.26 in L 0.39 in
5.75 Cts Natural Loose Citrine Emerald Shape Gemstone
Located in Peshawar, PK
. However, it's essential to note that some citrine available in the market might be heat-treated amethyst
Category
Late 20th Century Brazilian Arts and Crafts Loose Gemstones
Materials
Citrine
5.65 Carats Natural Loose Citrine CAN Shape Ring Gem
Located in Peshawar, PK
on the market is heat-treated amethyst or smoky quartz, enhancing its yellow color.
Citrine's
Category
Antique Early 1900s Brazilian Art Deco Loose Gemstones
Materials
Citrine
Natural loose yellow citrine ring gemstone 3.45 Carats
Located in Peshawar, PK
structure. Natural citrine is rare, and much of the citrine available in the market is heat-treated amethyst
Category
20th Century Brazilian Art Nouveau Loose Gemstones
Materials
Citrine
Harakh AGS Certified 2.02 Ct Natural Pigeon Blood Ruby Loose Stone Custom made
By Harakh
Located in New York, NY
carats, brilliant cut, non-treated, no heat AGS certified ruby.
Measuring 8.22 x 6.46 x 4.32 mm, this
Category
2010s Mozambican Modern Loose Gemstones
Materials
Diamond, Ruby
15.25 Carats Gorgeous Loose Trilliant Cut Citrine Gemstone For Necklace Jewelry
Located in Peshawar, PK
actually heat-treated amethyst or smoky quartz. This treatment process enhances the yellow color, making it
Category
21st Century and Contemporary Brazilian Arts and Crafts Loose Gemstones
Materials
Citrine
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W 0.68 in D 0.46 in L 0.67 in
Huge 24.70 Carats Loose Sky Blue Topaz For Necklace Jewellery
Located in Peshawar, PK
Treatment: Non
Blue topaz is a captivating gemstone celebrated for its serene blue color and remarkable
Category
21st Century and Contemporary Brazilian Aesthetic Movement Loose Gemstones
Materials
Topaz, Blue Topaz
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W 0.56 in D 0.36 in L 0.91 in
Antique 3.50 Carat Ceylon Sapphire and 2.48 Carat Diamond Platinum Cocktail Ring
Located in Jesmond, Newcastle Upon Tyne
tend to be heat treated, the most sought after known as the cornflower blue.
** This documentation
Category
Vintage 1930s Unknown Cocktail Rings
Materials
Diamond, Sapphire, Platinum
GCS Certified 6.25 Carat Ceylon Sapphire and 3.75 Carat Diamond Cocktail Ring
Located in Jesmond, Newcastle Upon Tyne
. The colors noted within Ceylon sapphires occur naturally and do not tend to be heat treated, the most
Category
Vintage 1930s Unknown Cocktail Rings
Materials
Diamond, Sapphire, Platinum
10.70 Carats Natural Loose Yellow Lemon Quartz Emerald Shape
Located in Peshawar, PK
often mined. Lemon quartz can occur naturally, but it's also commonly created through a heat-treating
Category
21st Century and Contemporary Brazilian Arts and Crafts Loose Gemstones
Materials
Quartz
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W 0.46 in D 0.34 in L 0.62 in
Heart table box Yellow enamel Sterling Silver Salimbeni
By Salimbeni, Giorgio Salimbeni
Located in Firenze, FI
reinforcements suitable for supporting numerous enamelling firings over high heat at around 800° C.
About
Category
1990s Italian Modern Decorative Boxes
Materials
Gold, Enamel, Sterling Silver, Gold Plate
Pill box big size Florentine Renaissance Sterling Silver Salimbeni
By Salimbeni, Franco Salimbeni
Located in Firenze, FI
and large reinforcements suitable for withstanding numerous enamelled firings at high heat about 750
Category
Vintage 1980s Italian Renaissance Decorative Boxes
Materials
Gold Plate, Sterling Silver, Enamel
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H 0.79 in Dm 1.97 in
Pill Box monochrome hand-painted miniature Sterling Silver Salimbeni
By Salimbeni, Franco Salimbeni
Located in Firenze, FI
firings at high heat about 750°
Category
Vintage 1970s Italian Art Nouveau Decorative Boxes
Materials
Gold Plate, Sterling Silver, Enamel
Free Shipping
H 1.11 in W 0.52 in D 1.58 in
Table Box for Cigarettes in Sterling Silver Sterling Enamel Salimbeni
By Salimbeni, Franco Salimbeni
Located in Firenze, FI
thick slab and large reinforcements suitable for withstanding numerous enamelled firings at high heat
Category
Vintage 1970s Italian Baroque Cigar Boxes and Humidors
Materials
Gold Plate, Sterling Silver, Enamel
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H 0.79 in W 4.02 in D 2.56 in
Snuffbox Pocket Sterling Silver Gold Paillons Lilies of France Salimbeni
By Salimbeni, Franco Salimbeni
Located in Firenze, FI
heat at around 800° C
The Paillons processing, now almost disappeared, and a rare technique recognized
Category
Vintage 1960s Italian Louis XIV Snuff Boxes and Tobacco Boxes
Materials
Sterling Silver, Enamel, Gold
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H 0.79 in W 1.26 in D 3.39 in
11.30 Carat Natural Loose Bicolor Yellow Citrine Emerald Cut For Pendant Jewelry
Located in Peshawar, PK
, Russia, Bolivia, and the United States. Some citrine gemstones are natural, while others are heat-treated
Category
21st Century and Contemporary Brazilian Arts and Crafts Loose Gemstones
Materials
Citrine
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W 0.39 in D 0.32 in L 0.75 in
Desk glass enameled handle like lapis lazuli stone Sterling Silver Salimbeni
By Giorgio Salimbeni, Salimbeni
Located in Firenze, FI
and large reinforcements suitable for withstanding numerous enamelled firings at high heat about 750
Category
1990s Italian Modern Desk Sets
Materials
Sterling Silver, Enamel
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H 7.68 in W 0.79 in D 2.76 in
Snuff Box Round Guilloche Enamel Box Gold Paillons Stars of Sky Salimbeni
By Salimbeni, Franco Salimbeni
Located in Firenze, FI
thick slab and large reinforcements suitable for withstanding numerous enamelled firings at high heat at
Category
Vintage 1960s Italian Baroque Snuff Boxes and Tobacco Boxes
Materials
Gold, Sterling Silver, Enamel
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H 0.91 in Dm 3.04 in
Snuff Box Black enamel Baroque style engraving Sterling Silver Salimbeni
By Salimbeni, Franco Salimbeni
Located in Firenze, FI
high heat about 750°
Category
Vintage 1970s Italian Baroque Snuff Boxes and Tobacco Boxes
Materials
Sterling Silver, Enamel
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H 0.71 in W 3.08 in D 2.45 in
Photo Frame Bordeaux Enamel Empire style ornaments Sterling Silver Salimbeni
By Franco Salimbeni, Salimbeni
Located in Firenze, FI
withstanding numerous glazing firings at high heat at about 750° < 800° C.
About enameling
There are about 700
Category
Vintage 1970s Italian Louis XVI Sterling Silver
Materials
Gold Plate, Sterling Silver, Enamel
Free Shipping
H 0.99 in W 4.34 in D 5.32 in
Photo Frame baroque style engraving Sterling Silver Salimbeni
By Franco Salimbeni, Salimbeni
Located in Firenze, FI
reinforcements suitable for withstanding numerous enamelled firings at high heat at about 750° < 800° C.
About
Category
Vintage 1970s Italian Baroque Sterling Silver
Materials
Gold Plate, Sterling Silver, Enamel
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H 0.99 in W 7.01 in D 5.6 in
MDF Italia Customizable ARPA Outdoor or Indoor Sofa by Ramón Esteve
By MDF Italia
Located in New York, NY
.
CUSHIONS AND COVERING
Seat and back cushion with non-deformable double density polyurethane insert, for
Category
2010s Italian Sofas
Materials
Textile
Table Box autumn colours, Art Nouveau style Sterling Silver, Enamel and Coral Sa
By Salimbeni, Giorgio Salimbeni
Located in Firenze, FI
and large suitable reinforcements to sustain numerous enamelled firings at high heat at around 750
Category
Vintage 1960s Italian Art Deco Decorative Boxes
Materials
Sterling Silver, Enamel
Free Shipping
H 1.11 in W 4.73 in D 3.55 in
MDF Italia Customizable Indoor or Outdoor ROCK OVAL TABLE by Jean Marie Massaud
By MDF Italia
Located in New York, NY
DaN/5 cm
• Tear strength: warp: 2.5 DaN - weft: 2.5 DaN/5 cm
• Light resistance: level 6/8
• Heat
Category
2010s Italian Tables
Materials
Stone, Cement
H 28.75 in W 118.12 in D 57.09 in
MDF Italia Customizable Indoor or Outdoor ROCK TABLE by Jean Marie Massaud
By MDF Italia
Located in New York, NY
DaN/5 cm
• Tear strength: warp: 2.5 DaN - weft: 2.5 DaN/5 cm
• Light resistance: level 6/8
• Heat
Category
2010s Italian Tables
Materials
Stone, Cement
MDF Italia Customizable Indoor or Outdoor ROCK TABLE MAXI by Jean Marie Massaud
By MDF Italia
Located in New York, NY
strength: warp: 2.5 DaN - weft: 2.5 DaN/5 cm
• Light resistance: level 6/8
• Heat resistance: +70°C
• Cold
Category
2010s Italian Tables
Materials
Stone, Cement
H 28.75 in W 94.49 in D 45.28 in
Table Box Fired Enamel Guillochè and Hand Engravings Sterling Silver Salimbeni
By Franco Salimbeni, Salimbeni
Located in Firenze, FI
for withstanding numerous enamelled firings at high heat at about 800° C.
About enameling
There are
Category
Vintage 1970s Italian Baroque Decorative Boxes
Materials
Gold Plate, Enamel, Sterling Silver
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H 0.67 in W 3.55 in D 3.35 in
Box with wedges Enamel Sterling Silver black and white Salimbeni
By Giorgio Salimbeni, Salimbeni
Located in Firenze, FI
large reinforcements suitable for sustaining numerous enameling firings at great heat at about 800° C
Category
Vintage 1970s Italian Art Deco Decorative Boxes
Materials
Sterling Silver, Enamel
Free Shipping
H 2.37 in W 3.08 in D 3.08 in
Snuff Box Sterling Silver Green and Sky Stripes Guilloche Enamel Box Salimbeni
By Franco Salimbeni, Salimbeni
Located in Firenze, FI
numerous enamelled firings at high heat at around 800° C.
About enameling
There are about 700 different
Category
Vintage 1980s Italian Mid-Century Modern Snuff Boxes and Tobacco Boxes
Materials
Sterling Silver, Enamel
Free Shipping
H 1.19 in W 2.84 in D 2.37 in
Snuff Box White Fire Enamel with Miniature of Bird Salimbeni
By Franco Salimbeni, Salimbeni
Located in Firenze, FI
great heat at about 800° C.
About enameling
There are about 700 different colors of enamel, but in
Category
Vintage 1970s Italian Art Deco Snuff Boxes and Tobacco Boxes
Materials
Sterling Silver, Enamel
Enamel Egg with Tripod Sterling Silver Gold Paillons Stars of Sky Salimbeni
By Franco Salimbeni, Salimbeni
Located in Firenze, FI
enamelled firings at high heat at about 800° C –
The Paillons processing, now almost disappeared, and a
Category
Vintage 1960s Italian Other Jewelry Boxes
Materials
Sterling Silver, Enamel, Gold, Gold Plate
Free Shipping
H 3.94 in W 1.89 in D 1.89 in
Photo Frame Blue Enamel and pure Gold "Paillons" Salimbeni
By Franco Salimbeni, Salimbeni
Located in Firenze, FI
enameling firings at high heat at about 800° C. -
About Enamel tecnique and Paillons.
There are about 700
Category
1990s Italian Louis XVI Sterling Silver
Materials
Gold, Sterling Silver, Enamel
Free Shipping
H 0.99 in W 3.55 in D 3.55 in
Robert Procop Platinum '3.40 CT' Non Heat Treated Pink Sapphire & Diamond Ring
By Robert Procop
Located in DAYTON, OH
From designer Robert Procop, this platinum sapphire ring features a 3.40 carat non heat treated
Category
2010s American Contemporary Fashion Rings
Materials
Diamond, Pink Sapphire, Platinum
Victorian UNTREATED Burmese Ruby Diamond Silver Gold Rosette Earrings
Located in Calabasas, CA
*NON HEAT-TREATED BURMA ruby, surrounded by 8 old European-cut diamonds and suspended from 1 smaller
Category
Antique 1890s Unknown Victorian Lever-Back Earrings
Materials
Diamond, Ruby, 18k Gold, Silver
AGL Certified 8.02 Carat UNTREATED Sapphire Diamond Platinum Ring By Kurt Wayne
By Kurt Wayne
Located in Calabasas, CA
Truly amazing sapphire ring. Center stone is a NON HEAT-TREATED, cushion modified mixed-cut Ceylon
Category
21st Century and Contemporary Unknown Contemporary Engagement Rings
Materials
Diamond, Sapphire, Platinum
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Questions About Non Heat Treated
- Are Burmese rubies heat treated?1 Answer1stDibs ExpertApril 5, 2022Yes, Burmese rubies are heat treated. Most rubies are heat treated directly at the mines because the treatment enhances the value and quality of the ruby. Shop a wide collection of Burmese ruby pieces as well as other fine jewelry on 1stDibs.
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