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No Heat Cabochon Ruby G.I.A. Set in Plat Ring with Marquise Diamonds
Located in Tampa, FL
No Heat Cabochon Ruby G.I.A. Set in Plat Ring with Marquise Diamonds Ruby: Weight - Approximately
Category

2010s French Modern Fashion Rings

Materials

Diamond, Ruby, Platinum

18.72 Carat Burma No Heat Cabochon Blue Sapphire 18k White Gold Diamond Necklace
By Gubelin
Located in Boca Raton, FL
18.72 Carat Burma No Heat Cabochon Blue Sapphire 18K White Gold Diamond Necklace This necklace is
Category

21st Century and Contemporary Unknown Modern Pendant Necklaces

Materials

Diamond, Blue Sapphire, 18k Gold, White Gold

GIA Certified No Heat Cabochon Ruby Diamond 14.74 Carat 18 Karat Cocktail Ring
By OGI Ltd
Located in New York, NY
Introducing our exquisite GIA certified No Heat Cabochon Ruby Diamond and 18 Karat White Gold
Category

2010s American Contemporary Cocktail Rings

Materials

Diamond, Ruby, Gold, 18k Gold, White Gold

GIA No Heat Cabochon 7.57ct Ruby Diamond Platinum Cocktail Ring
Located in Miami, FL
centered with 1 genuine cabochon oval cut ruby, GIA certified, approx. 7.57ct and is framed with 54 genuine
Category

21st Century and Contemporary American Cocktail Rings

Materials

Diamond, Ruby, Platinum

Platinum 43.57ctw Burma No Heat Cabochon Star Sapphire & Diamond Tennis Bracelet
Located in Montclair, NJ
- F/G Color - 3.07ctw approx. 9 Natural Genuine Burma Star Sapphires - Oval Cabochon Cut - Prong Set
Category

1990s Chain Bracelets

Materials

Diamond, Star Sapphire, Platinum

GIA Certified No Heat Cabochon Sapphire 1.84 Carat Diamonds 0.30 Carat Ring
By OGI Ltd
Located in New York, NY
Oval Cabochon Sapphire as the center stone, certified by GIA with report number 6234183187. This
Category

21st Century and Contemporary American Contemporary Engagement Rings

Materials

Diamond, Sapphire, Platinum

GIA Certified No Heat Cabochon Sapphire 1.51 Diamond 0.30 Carat Platinum Ring
Located in New York, NY
the prestigious "No Heat" designation—a testament to its rare and natural allure. Crafted in an
Category

2010s American Contemporary Engagement Rings

Materials

Diamond, Sapphire, Blue Sapphire, Platinum

Antique Platinum GIA Ceylon NO HEAT Cabochon Blue Star Sapphire & Diamond Ring
Located in Montclair, NJ
% natural stone with no heat treatment and originated from Sri Lanka (Ceylon). Enjoy :) --Stone(s):-- (1
Category

Mid-20th Century Art Deco Cocktail Rings

Materials

Diamond, Star Sapphire, Platinum

Antique Art Deco Platinum Gubelin Ceylon No Heat Cabochon Sapphire Diamond Ring
Located in Montclair, NJ
sapphire is certified as weighing exactly 7.91 carats and is near-round cabochon cut, displaying a
Category

Vintage 1920s Art Deco Engagement Rings

Materials

Diamond, Sapphire, Platinum

1920's Burma Royal Blue GIA No Heat Cabochon Sapphire & Diamond Unisex Ring
Located in Boston, MA
An Art Deco period Burma No Heat sapphire, and diamond ring set in platinum. Centering this ring is
Category

Vintage 1920s Art Deco Three-Stone Rings

Materials

Diamond, Sapphire, Platinum

Tiffany & Co. Signed 22.41 Carat No Heat Cabochon Ruby and Ruby Bead Necklace
By Tiffany & Co.
Located in Miami, FL
Vintage 22.41 Carat No Heat Pear Cabochon Cut Ruby and Diamond Pendant with a 2-Strand Ruby Bead
Category

2010s Art Deco Pendant Necklaces

Materials

Diamond, Ruby, 18k Gold, Yellow Gold

GRS Cert. No Heat Cabochon Blue Star Sapphire Ring with Trapezoid Cut Diamonds
By Gad & Co.
Located in Miami, FL
GRS certified 23.28 carat cabochon cut Blue Star Sapphire and diamond ring in 18k white gold. Set
Category

2010s Sri Lankan Modern Cocktail Rings

Materials

White Diamond, Star Sapphire, Diamond, 18k Gold, White Gold

GIA Certified 26 Carat No Heat Cabochon Blue Sapphire and Diamond Cluster Ring
Located in Miami, FL
(adjustable) Sapphire Details: ✔ Sapphire Weight: 26 carats ✔ Sapphire Cut: Cabochon, oval ✔ Sapphire
Category

Late 20th Century Cocktail Rings

Materials

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

GIA Certified No Heat Cabochon Sapphire 1.65 Carat Halo Diamond 0.40 Carat Ring
By OGI Ltd
Located in New York, NY
Elevate your engagement with this exquisite round cabochon sapphire and diamond ring, crafted in
Category

Late 20th Century American Contemporary Engagement Rings

Materials

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

GIA Certified No Heat Cabochon Sapphire 3.45 Carat Diamond 0.60 Carat Gold Ring
Located in New York, NY
Introducing the breathtaking 18 Karat White Gold Cabochon Sapphire 3.45 Carat Diamond 0.60 Carat
Category

2010s American Contemporary Engagement Rings

Materials

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

Natural Burma Ruby - Burma Star Ruby -No Heat Burmese Ruby Cabochon Gemstone
Located in Jaipur, RJ
Natural Burma Ruby Star Ruby No Heat Cabochon Gemstone 65.03 Carats 58 Pieces (For Jewelry Making)
Category

21st Century and Contemporary Burmese Art Deco Loose Gemstones

Materials

Star Ruby, Ruby

Burmese Ruby No Heat Oval Cabochon & Diamond Earrings
Located in New York, NY
A pair of oval Burmese No Heat Ruby Cabochon Earrings with brilliant-cut diamonds set in 18kt White
Category

20th Century American Art Deco Dangle Earrings

Materials

Diamond, Ruby, 18k Gold, White Gold

Buccellati Vintage No Heat Blue Sapphire 18k Gold Floral Square Brooch Pin
By Mario Buccellati
Located in Miami, FL
No Heat cabochon  Blue Sapphire in the center weighing approx 12.47 carats. Weight: 9.4 grams
Category

Vintage 1960s Italian Retro Brooches

Materials

Blue Sapphire, 18k Gold

Vintage 12 Carat NO HEAT GIA Sapphire and Diamond Gold Brooch Pendant Necklace
Located in Montreal, QC
Simply Beautiful! Elegant and Finely detailed GIA NO HEAT Cabochon Sapphire and Diamond Angular
Category

21st Century and Contemporary Modern Pendant Necklaces

Materials

Diamond, Sapphire, Gold, 14k Gold, White Gold, Platinum

Victorian No Heat Burma Sapphire & Diamond Halo Ring Circa 1870's Estate
Located in Boston, MA
karat yellow gold. Centered by a 1.52 carat natural, No heat cabochon cut sapphire of Burmese origin set
Category

Antique Late 19th Century Victorian Cluster Rings

Materials

Diamond, Sapphire, 14k Gold

~16 Carat Cabochon Cut Burma Sapphire AGL Certified and Diamond 14K Earrings
Located in Miami, FL
Burma No Heat Cabochon Sapphires, totaling 16 carats, set in 14K White Gold. Complemented by
Category

Early 20th Century Art Deco Drop Earrings

Materials

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

GIA Certified 2.61 Carat Star Ruby Diamond Platinum Art Deco Engagement Ring
Located in Stamford, CT
Star Ruby and diamond 1920's Art Deco engagement ring. GIA certified no heat cabochon star ruby
Category

Early 20th Century Engagement Rings

Materials

Ruby, Star Ruby, Diamond, Platinum

Van Cleef & Arpels 18K Yellow Gold Cabochon Blue Sapphire And Diamond Earrings
By Van Cleef & Arpels
Located in Beverly Hills, CA
masterfully designed earrings features a pair of no-heat cabochon sapphires, each exuding a rich, velvety blue
Category

Mid-20th Century French Retro Stud Earrings

Materials

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

GIA Certified 14.00 Carat Ruby Halo Diamond Yellow Gold Dangle Earrings
Located in Stamford, CT
halos, set in 18k yellow gold settings. 14.00 carats of bright red untreated natural no heat cabochon
Category

Late 20th Century Dangle Earrings

Materials

Diamond, Ruby, Gold, 18k Gold, Yellow Gold

AGL Graded 7.34 Carat Star Ruby Platinum Ring
Located in Miami, FL
Gorgeous platinum ring featuring an AGL graded Ceylon no heat cabochon cut star ruby weighing
Category

21st Century and Contemporary American More Rings

Materials

Ruby, Platinum

18 kt. Adler Genève Tennis Necklace & Asprey London Pendant Sapphire, Diamonds
By Asprey London
Located in Antwerp, BE
Heat Cabochon Burma Sapphire 28.7 ct. Comes with a GRS certificate Diamonds: Tennis Necklace Adler
Category

20th Century Swiss Artisan Pendant Necklaces

Materials

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

15.65 Carat No Heat Burma Sapphire Cabochon Gold Ring
Located in New York, NY
18k white gold ring, set with a no heat Burma sapphire cabochon - approx. 15.65ct, measuring approx
Category

20th Century More Rings

Materials

Sapphire, Gold

17.43 Ct Cabochon Burma No Heat Ruby GIA Ring
By Hakimi's Gem
Located in Chicago, IL
Absolutely stunning Cabochon Burma no heat ruby weighing 17.43 ct certified by GIA with marquise
Category

2010s Cocktail Rings

Materials

Ruby, Diamond, 18k Gold

10.30 Carat No-Heat Ruby Cabochon Diamond Platinum Ring, GIA Certified
Located in Beverly Hills, CA
A large and impressive unheated ruby cabochon weighing 10.30 carats takes center stage. It has a
Category

21st Century and Contemporary American Fashion Rings

Materials

Diamond, Ruby, Platinum

18k gold ring with no heat sugarloaf cabochon sapphire and diamonds
Located in London, GB
This 1950s European 18k gold cocktail ring features a central no heat sugarloaf cabochon sapphire
Category

Vintage 1950s European Contemporary Cocktail Rings

Materials

Diamond, Sapphire, 18k Gold

Pyramidal Cabochon Yellow Sapphire and Diamond Ring ‘No Heat’
Located in Weston, MA
A classic Art Deco design highlights this radiant 13.66 carat no heat medium canary yellow cabochon
Category

Vintage 1980s Unknown Art Deco Cocktail Rings

Materials

Sapphire, Diamond, Yellow Sapphire, Platinum

Spectacular Swiss Modern Gold Bracelet by Paul Binder
By Paul Binder
Located in Litchfield, CT
superb no-heat cabochon sapphires and 5.40 carats of brilliant white diamonds (G color VS clarity), this
Category

Vintage 1960s Swiss Link Bracelets

Materials

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

41.73 Carats Burmese Sapphire Cabochon Sugarloaf No-Heat Top Quality Natural Gem
Located in Jaipur, RJ
41.73 Carats Burmese Sapphire Cabochon Sugarloaf No-Heat Top Quality Natural Gem Gemstone: Blue
Category

2010s Burmese Loose Gemstones

Materials

Sapphire, Blue Sapphire

Victorian 14K Sugarloaf Cabochon Sapphire Mine Diamond Cuff Bracelet GIA NO HEAT
Located in Winter Springs, FL
sugarloaf and oval cabochon natural no heat sapphires as well as approximately 1.80cttw in F-J color Vs1-Si2
Category

Antique Mid-19th Century Victorian Bangles

Materials

Diamond, Sapphire, 14k Gold

Platinum AGL 5.00ctw Cabochon No Heat Burma Ruby & Diamond Flower Clip Earrings
Located in Montclair, NJ
in platinum. The ruby stones display very rich and desirable red color throughout their cabochon cut
Category

Late 20th Century Unknown Clip-on Earrings

Materials

Diamond, Ruby, Platinum

Burma No Heat Ruby Cabochon and Diamond Engagement Ring C. Dunaigre Certified.
By MOGULDIAM INC
Located in New York, NY
Very pretty C.D certified burma no heat ruby cabochon and white diamond ring hand crafted in 18k
Category

2010s American Contemporary Engagement Rings

Materials

Diamond, Ruby, White Gold

Rare 29.51 Carat No Heat Ceylon Blue Sapphire Cabochon Solitaire Mens Ring
By Gad & Co.
Located in Miami, FL
29.51 Carat No Heat Ceylon Blue Sapphire Cabochon Solitaire Mens Ring in 18K White Gold. AGL
Category

21st Century and Contemporary Sri Lankan Modern Solitaire Rings

Materials

Sapphire, Blue Sapphire, 18k Gold, White Gold

Paul Binder Sixties Modern Sapphire & Diamond-Set Necklace
By Paul Binder
Located in Litchfield, CT
sophisticated sculpture to go. Set with 15.0 carats of superb no-heat cabochon sapphires and 2.50 carats of
Category

Vintage 1960s Swiss Link Necklaces

Materials

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

No Heat Burma Blue Cabochon Sapphire Earrings in 18 K White Gold
Located in Hong Kong, HK
No Heat Burma Blue Cabochon Sapphire Earrings in 18 K White Gold, Antique Cut Diamonds and Swiss
Category

21st Century and Contemporary Hong Kong Contemporary Chandelier Earrings

Materials

Sapphire, Blue Sapphire, 18k Gold, White Gold

GIA No Heat Platinum Ceylon Cabochon Sapphire 2.05 Carat Diamond 0.25 Carat Ring
By OGI Ltd
Located in New York, NY
Elevate your proposal with this exquisite Platinum Ceylon Cabochon Sapphire Engagement Ring
Category

2010s American Contemporary Engagement Rings

Materials

Diamond, Sapphire, Blue Sapphire, Platinum

GIA Certified #5231058390 No Heat Ceylon Cabochon Sapphire Weighing 17.16 carat
By OGI Ltd
Located in New York, NY
Introducing a Magnificent GIA Certified No Heat Ceylon Cabochon Sapphire Dazzle and amaze with this
Category

20th Century Sri Lankan Contemporary Loose Gemstones

Materials

Sapphire, Blue Sapphire

No Heat 25.13 Carats Champagne Sapphire Diamond 18K Halo Cabochon Ring
By Emeralds Maravellous
Located in US
Absolutely gorgeous, and very rare 23.13 ct. No heat champagne sapphire cabochon cushion, with good
Category

21st Century and Contemporary American Contemporary Cocktail Rings

Materials

Diamond, Sapphire, 18k Gold, White Gold

18 Kt Gold No Heat 6.15 Ct Burmese Ruby Cabochon & Intense Fancy Diamonds Ring
Located in Antwerp, BE
Magnificant 18 Kt. Gold No Heat Burmese Ruby Cabochon & Intense Fancy Diamonds Ring Ruby: Red
Category

21st Century and Contemporary European Artisan Fashion Rings

Materials

Diamond, Ruby, Gold

Impressive Cushion Cabochon No Heat Burma Sapphire and Diamond Pendant GIA
Located in Scottsdale, AZ
natural sapphire from Burma (Myanmar) is an impressive 48.83 carats, cushion shaped, cabochon cut, with an
Category

21st Century and Contemporary Unknown Contemporary Pendant Necklaces

Materials

Diamond, Sapphire, Gold, White Gold, 14k Gold

10.30 Carat Ruby Cabochon Diamond Platinum Ring, GIA Certified No-Heat
Located in Beverly Hills, CA
A stunning piece featuring a large 10.30 carat cabochon ruby which as been certified by the GIA
Category

21st Century and Contemporary American Cocktail Rings

Materials

Diamond, Ruby, Platinum

16.41 Carats Burmese Blue Sapphire No Heat Round cabochon Natural sapphire gem
Located in Jaipur, RJ
Burmese Blue Sapphire Round for Fine Jewellery Gemstone: Blue Sapphire No Heat Type : Burmese
Category

2010s Burmese Loose Gemstones

Materials

Blue Sapphire

Antique Art Deco Platinum GIA Oval Cabochon No Heat Burma Star Ruby Diamond Ring
Located in Montclair, NJ
) -- (1) Natural Genuine Star Ruby - Oval Double Cabochon Cut - Purplish-Red Color - Well-Centered Six-Ray
Category

Vintage 1920s Art Deco Engagement Rings

Materials

Diamond, Ruby, Star Ruby, Platinum

No Heat Ceylon 7.69 Carats Sapphire Diamond Platinum Halo Cabochon Ring AGL
Located in Philadelphia, PA
Featuring an oval Ceylon sapphire cabochon weighing approximately 7.19 carats Royal blue and
Category

21st Century and Contemporary Contemporary Cluster Rings

Materials

Diamond, White Diamond, Sapphire, Blue Sapphire, Platinum

Sculptural 14K Sugarloaf Sapphire Ring - AGL Ceylon No Heat
Located in Hummelstown, PA
The chicest vintage sugarloaf sapphire ring. A 2.51 carat unheated Ceylon sapphire is set in a massive 21.9 grams of 14 karat gold. Currently a ring size 5 1/2 Measurements: 11....
Category

2010s American Signet Rings

Materials

Sapphire

Mens Heavy Platinum 9.01ct Gubelin Oval Cabochon Bezel No Heat Sapphire Ring
Located in Montclair, NJ
, Gubelin certified, natural sapphire stone perfectly bezel set at its center. The oval cabochon cut
Category

2010s American Solitaire Rings

Materials

Sapphire, Platinum

Platinum 7.75ctw GIA Oval Cabochon Burma No Heat Ruby Diamond Halo Cocktail Ring
Located in Montclair, NJ
attractive and eye catching purple-red color through its oval cabochon cutting style. It is surrounded by a
Category

2010s American Cocktail Rings

Materials

Diamond, Ruby, Rose Gold, Platinum

11.05 Cts Burmese Blue Sapphire No Heat Round 11mm cabochon for fine Jewelry Gem
Located in Jaipur, RJ
11.05 Carats Burmese Blue Sapphire No Heat Round cabochon for fine Jewelry Gem Gemstone: Blue
Category

2010s Burmese Loose Gemstones

Materials

Blue Sapphire

Ceylon No-Heat Sapphire and Diamond Ring
Located in New York, NY
This substantial cabochon blue sapphire and diamond ring is a beautiful example of Art Deco
Category

Vintage 1930s Art Deco Cocktail Rings

Materials

White Diamond, Sapphire, Diamond, Blue Sapphire, Platinum

New 14k Gold 4.66ctw Gia No Heat Oval Cabochon Burma Ruby & Diamond Halo Ring
Located in Montclair, NJ
- Oval Cabochon Cut - Claw Prong Set - Purplish Red Color - NO HEAT - 4.24ct (exact - certified) ** See
Category

2010s American Solitaire Rings

Materials

Diamond, Ruby, 14k Gold, Yellow Gold

New 14k White Gold 7.9ctw GIA NO HEAT Oval Cabochon Ruby & Diamond Halo Ring
Located in Montclair, NJ
--Stone(s):-- (1) Natural Genuine Ruby - Oval Double Cabochon Cut - Claw Prong Set - Purplish Red
Category

2010s American Cocktail Rings

Materials

Diamond, Ruby, 14k Gold, White Gold

Handmade 18K TT Gold GIA No Heat Oval Cabochon Blue Sapphire Knot Cocktail Ring
Located in Montclair, NJ
features a mesmerizing oval cabochon sapphire solitaire carefully claw-prong set the center of the knot
Category

21st Century and Contemporary Cocktail Rings

Materials

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

AGL Certified " NO HEAT" Sapphire and Diamond Pendant
Located in New York, NY
Impressive Sapphire pendant! Center of this pendant is set with oval double cabochon-cut sapphire
Category

Mid-20th Century European Retro Pendant Necklaces

Materials

Diamond, Sapphire, 14k Gold

New Platinum 18k Rose Gold GIA Cabochon No Heat Ceylon Star Ruby Solitaire Ring
Located in Montclair, NJ
. This gorgeous stone is certified by GIA as weighing 7.40 carats and is oval cabochon cut, displaying an
Category

2010s Engagement Rings

Materials

Ruby, Star Ruby, 18k Gold, Rose Gold, Platinum

4.91 Carat Cabochon Natural Red Ruby Burma No Heat GIA and Diamond Platinum Ring
Located in Montreal, QC
securely nestled Hand set GIA Natural Untreated No Heat Ruby weighing 4.91 Carat. The center stone has been
Category

Late 20th Century Modernist Cocktail Rings

Materials

Diamond, Ruby, 18k Gold, Platinum

ICA 18k Gold No Heat 8.58ct Ceylon Blue Star Sapphire & 2.19ct Diamond Ring
Located in เกาะสมุย, TH
Sapphire: Natural, no heat treatment, Cabochon cut, 8.58 carats. Diamonds: Natural, brilliant cut, VS1-2, G
Category

20th Century Thai Cocktail Rings

Materials

Diamond, Star Sapphire, 18k Gold

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No Heat Cabochon For Sale on 1stDibs

Surely you’ll find the exact no heat cabochon you’re seeking on 1stDibs — we’ve got a vast assortment for sale. Frequently made of Gold, 18k Gold and White Gold, this item was constructed with great care. In our selection of items, you can find a vintage example as well as a contemporary version. You’re likely to find the perfect no heat cabochon among the distinctive items we have available, which includes versions made as long ago as the 18th Century as well as those produced as recently as the 21st Century. There have been many well-made iterations of the classic no heat cabochon over the years, but those made by Kiersten Elizabeth, Tamir and Emeralds Maravellous are often thought to be among the most beautiful. A no heat cabochon can be a stylish choice for most occasions, but Diamond rings, from our inventory of 101, can add a particularly distinctive touch to your look, day or night. Today, if you’re looking for a cabochon version of this piece and are unable to find the perfect match, our selection also includes sugarloaf cabochon and oval cut alternatives. Most of our no heat cabochon for sale are for women, but there are 82 pieces available to browse for men.

How Much is a No Heat Cabochon?

Prices for a no heat cabochon can differ depending upon size, time period and other attributes — at 1stDibs, these accessories begin at $1,170 and can go as high as $195,000, while this accessory, on average, fetches $11,699.
Questions About No Heat Cabochon
  • 1stDibs ExpertApril 5, 2022
    A no-heat sapphire is a sapphire gemstone in its natural state. It differs from sapphires that undergo heat treatment to enhance their surface. Generally, no-heat sapphires are smoother, while heated sapphires are harder and more lustrous. Shop a range of sapphire gemstone jewelry on 1stDibs.
  • 1stDibs ExpertMarch 22, 2022
    Yes, sapphires conduct heat. In fact, a real one won't melt until it reaches a temperature of 3,711 degrees F. As a result, one way that experts test sapphires to determine if they are real is to heat them to high temperatures. Find a collection of sapphire gemstone jewelry on 1stDibs.
  • A cabochon ring is a ring set with a cabochon gemstone. A cabochon is characterized as having a convex, rounded surface that is polished but unfaceted.
  • A cabochon sapphire is a sapphire cut into a cabochon shape. A cabochon shape is characterized as having a convex, rounded surface that is polished but unfaceted.
  • 1stDibs ExpertMarch 22, 2022
    A cabochon ring is a piece of jewelry that shows off a gemstone in the cabochon style, meaning it has a polished and rounded top surface and a flat back. It differs from a faceted ring, in which the gem is cut with tools. Cabochon rings tend to highlight the color and reflectivity of the gem and do not have the sparkle of faceted stones. Find a range of cabochon rings on 1stDibs.
  • 1stDibs ExpertSeptember 28, 2021
    Cabochons are gemstones that have been shaped and polished to be dome-shaped on the top and usually flat on the bottom. An aquamarine stone cut into a dome is known as an aquamarine cabochon. An aquamarine cabochon is a durable gemstone that can be worn almost daily. Find antique and vintage jewelry with aquamarine cabochons on 1stDibs.
  • 1stDibs ExpertNovember 2, 2021
    A cabochon emerald is a gemstone that has been cut and polished to feature a dome shape on top and a flat bottom. It is smooth and has no facets. Although faceted gemstones are quite popular, non-faceted gems are also in style. For example, cabochons are smoothly polished instead of faceted, and are usually oval-shaped. Many people love cabochons for their simplicity and elegance. Carved cabochons also make interesting pieces. For example, the cameo gemstone, which features a carved silhouette, has made a resurgence in recent years. On 1stDibs, find a variety of antique and vintage cabochon emerald jewelry.
  • 1stDibs ExpertFebruary 22, 2021
    A cabochon stone refers to any gemstone that's been shaped and polished as opposed to faceted, like a diamond in an engagement ring.
  • 1stDibs ExpertAugust 17, 2021
    A cabochon opal is an opal that’s cut in a dome shape. There are two types of opal: common and precious. The former is, as its name implies, not very rare. Precious opal, on the other hand, is more rare than diamonds and considered very high quality.
  • 1stDibs ExpertApril 5, 2022
    A ruby cabochon refers to a type of cut with a dome top, and sometimes a dome bottom as well. The dome shape shows off the color purity of rubies and other gemstones without extinctions being present. Shop a wide range of ruby cabochon jewelry on 1stDibs.
  • 1stDibs ExpertFebruary 22, 2021
    Jade cabochon is a polished, but not faceted gem. Jade cabochon, or Jadeite, is fashioned into accessories with smooth surfaces.
  • 1stDibs ExpertApril 5, 2022
    Yes, 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.
  • 1stDibs ExpertApril 5, 2022
    Whether or not terracotta pots can withstand heat depends on how well they are made and cared for. A finely crafted pot can usually hold up in the face of high temperatures. If you intend to cook with one, season it with cooking oil to increase its durability. Shop a collection of terracotta pots on 1stDibs.
  • 1stDibs ExpertApril 5, 2022
    No, not all fireplaces need a heat shield. However, a heat shield can enhance the visual appearance of the space while also protecting the room. Carefully measure your fireplace to ensure the best fit. Shop a wide range of heat shields and fireplace inserts on 1stDibs.
  • A heated ruby is a ruby wherein 1600 - 1700 degrees centigrade of heat is applied to the stone to improve it's color, luster, and/or clarity. This is a common method for most rubies is not a bad at all. What makes unheated rubies valuable is their rarity. To find a beautiful ruby that does not need heat to improve it's beauty is very rare and highly unlikely.
  • 1stDibs ExpertMarch 31, 2023
    There is no single mug type or brand of mugs that holds heat best. While materials do play a role in determining how well mugs hold hot beverages at temperature, other factors like whether the metal is insulated, how well the mug is crafted and how tightly the lid fits also have an impact. Find an assortment of mugs on 1stDibs.
  • 1stDibs ExpertApril 5, 2022
    A cabochon cut ruby is a ruby featuring an unfaceted cut. Instead, the surface is curved and polished, for a look that especially highlights the beauty of more opaque rubies. Browse a collection of mesmerizing cabochon cut rubies from top sellers on 1stDibs.