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Platinum Gold GIA 64.12ctw Pink Orange Sapphire Diamond Statement Bracelet
Located in Montclair, NJ
- Orange Species: Natural Corundum Variety: Two (2) Natural Sapphires Treatment: Heated Weight: 71.79 grams
Category

21st Century and Contemporary Chain Bracelets

Materials

Diamond, Sapphire, Gold, Rose Gold, Yellow Gold, Platinum

1.42Ct Unique Blue Green Teal Sapphire Gia Certified Pear Teardrop Cut Gemstone
By Gems and Jewels UK
Located in Birmingham, GB
certified sapphire. Standard heated like nearly all sapphires on the market. No diffusion or other treatment
Category

21st Century and Contemporary More Jewelry

Materials

Sapphire

Unique Colour 0.95ct Rare Yellow Green Australian Sapphire Oval Cut 5.8x5.2mm
By Gems and Jewels UK
Located in Birmingham, GB
lovely in jewellery. Measures 5.8 x 5.2 x 3.8mm. Standard heated like nearly all sapphires on the market
Category

21st Century and Contemporary More Jewelry

Materials

Sapphire

Elegant GIA Certified Blue Sapphire Diamond 3-Stone 18k White Gold Ring
Located in Miami, FL
Elegant 18K white gold ring set with GIA-certified heated blue sapphire flanked by two near
Category

Early 2000s Three-Stone Rings

Materials

Diamond, Blue Sapphire, 18k Gold, White Gold

Natural Blue Sapphire Gemstone 1.41 carats with GIA Report / JupiterGem
Located in Los Angeles, CA
: Brilliant/step Clarity: Very eye clean Treatment: Heated This 1.41-carat blue sapphire is beautifully cut
Category

21st Century and Contemporary Unknown Loose Gemstones

Materials

Blue Sapphire

1.32ct Indigo Blue Sapphire 18k White Gold Oval Cut Solitaire Pendant Necklace
By Gems and Jewels UK
Located in Birmingham, GB
heated like nearly all sapphires on the market. No diffusion or other treatment. Brand new and never
Category

21st Century and Contemporary Pendant Necklaces

Materials

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

AIG Certified 3.20 Ct Sapphires 2.00 Ct Tourmaline Diamonds 18K Gold Earrings
Located in New Delhi, Delhi
with 2 pieces of Natural Ceylon Sapphires of 1,20 carats, in vibrant blue color, common heated, 2
Category

21st Century and Contemporary Chandelier Earrings

Materials

Diamond, Sapphire, Tourmaline, 18k Gold

3.08Ct Natural Deep Blue Green Teal Sapphire Pear Teardrop Cut 10.8X7.5Mm Gem
By Gems and Jewels UK
Located in Birmingham, GB
look lovely in jewellery. Standard heated like nearly all sapphires on the market. No diffusion or
Category

21st Century and Contemporary More Jewelry

Materials

Sapphire

1.81ct Blue Sapphire, Ruby Ring Set in 18k White and Yellow Gold
Located in Toronto, Ontario
: Corundum Variety: Sapphire Treatment: Heated Origin: Sri Lanka Notes: Gem Type: Ruby Number of Stones: 2
Category

2010s Canadian Contemporary Cocktail Rings

Materials

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

Natural 1.02ct Fine Blue Ceylon Sapphire Sri Lanka Pear Cut 6.2x5mm Gem VVS
Located in Birmingham, GB
, a very clean stone. VVS. A rare top grade Sri Lankan sapphire. Standard heated like nearly all
Category

21st Century and Contemporary Sri Lankan More Jewelry

Materials

Sapphire

Vintage 6.46 Carat Orange Sapphire and Diamond Platinum Cocktail Ring
Located in Montreal, QC
6.46ct) Carte Blu Certification: Natural Sapphire heated. The ring is Hand crafted in Platinum. Size 6.75
Category

21st Century and Contemporary Modern Cocktail Rings

Materials

Diamond, Sapphire, Platinum

Three-Stone Ring with 2.20 Carat Oval Pink Sapphire
By M&V Vanguard Jewelry
Located in New York, NY
: Natural Sapphire (heated) Measurements: 9.16 x 6.81mm Carat Weight: 1.70 carat Color: Pink (beautiful
Category

2010s American Three-Stone Rings

Materials

Pink Sapphire, Platinum

2.53ct NATURAL Ceylon Bi Colour Sapphire UNIQUE Yellow Blue Pear Teardrop Cut
By Gems and Jewels UK
Located in Birmingham, GB
colour Sri Lankan sapphire. Standard heated like nearly all sapphires on the market, no diffusion or
Category

21st Century and Contemporary More Jewelry

Materials

Sapphire

BVLGARI Trombino Cocktail Ring In Platinum With 21.88 Ctw In Diamonds Sapphire
By Bulgari
Located in Miami, FL
great assortment of eighty-six white colorless diamonds and one gorgeous Ceylon non-heated blue sapphire
Category

1990s Italian Modernist Cocktail Rings

Materials

Diamond, Sapphire, White Diamond, Blue Sapphire, Platinum

Certified Natural Pink Purple No Heat Sapphire Rose Cut Diamond Cocktail Ring
Located in Hong Kong, HK
all pink sapphires are heated and treated. This pink purple sapphire is certified no heat. The
Category

2010s Hong Kong Cocktail Rings

Materials

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

1.25ct Natural Sapphires Diamonds Ring 14kt Gold Three stone style
Located in New York, NY
Classic Diamond & Sapphires 3 Cluster ring 1.25ct Sapphires (Heated) Oval Full Cut Brilliant
Category

2010s American Three-Stone Rings

Materials

Diamond, Sapphire, 14k Gold, White Gold

Spectra Fine Jewelry Madagascar Pink Sapphire Diamond Halo Ring
By Spectra Fine Jewelry
Located in New York, NY
know it deep in your heart. Size US 6.25, can be resized. Madagascar non-heated pink sapphire weight
Category

21st Century and Contemporary American Contemporary Cocktail Rings

Materials

Diamond, Pink Sapphire, Platinum

GIA Certified NO HEAT BURMA Pink Sapphire Marquise Round Diamond Cocktail Ring
By Antinori Fine Jewels
Located in Chicago, IL
BURMESE PINK SAPPHIRE RING WITH 12 MARQUISE DIAMONDS and 1 carat of round brilliant cut diamonds
Category

2010s Italian Modern Engagement Rings

Materials

Diamond, White Diamond, Sapphire, Pink Sapphire, Platinum

Unique 1.23ct Natural Sapphire Vivid Green Blue Heart Cut Rare Gem 6.8x6.3mm VS
Located in Birmingham, GB
great shine and colour, would look lovely in jewellery. Standard heated like nearly all sapphires on the
Category

21st Century and Contemporary More Jewelry

Materials

Sapphire

GIA Certified 14 Carat Natural Diamond and Blue Sapphire Cab Necklace Circa 1950
Located in Los Angeles, CA
Retro Gold 14 Carat Natural Diamond, Sapphire, Ruby Cabochon Necklace Circa 1950 A magnificent 18k
Category

Vintage 1950s Unknown Retro Multi-Strand Necklaces

Materials

Diamond, Ruby, Sapphire, Blue Sapphire, Gold

Vintage GIA 3.30 carat Ceylon sapphire diamond 18k yellow gold necklace
Located in Beverly Hills, CA
A striking vintage pendant showcasing a 3.30 carat heated Ceylon light blue sapphire framed by 1.70
Category

Vintage 1980s Contemporary Pendant Necklaces

Materials

Diamond, Sapphire, Gold, 14k Gold, 18k Gold, Yellow Gold

14K Solid White Gold Padparadscha Sapphire Ring: Earth Mined Diamond Accents
Located in Columbus, OH
Featuring a rare 0.58ct Ceylon Padparadscha sapphire in a 6x4mm setting, this ring glows with soft
Category

21st Century and Contemporary Contemporary Engagement Rings

Materials

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

Alexander Beverly Hills 2.77ct Toi Et Moi Sapphire Diamonds Ring 18k
By Alexander Beverly Hills
Located in BEVERLY HILLS, CA
carats total gemstone weight. 2.32 carat round shape sapphire, heated. 0.45 carat marques diamond
Category

2010s American Modern Cocktail Rings

Materials

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

GIA Certified 2.92ct Bi Colour Ceylon Sapphire 18k White Gold Diamond Halo Ring
Located in Birmingham, GB
GIA Certified Bi Colour Ceylon Sapphire 18k White Gold Diamond Halo Ring. ITSIT. Rare GIA
Category

21st Century and Contemporary Cocktail Rings

Materials

Sapphire, Blue Sapphire, Purple Sapphire, Gold, 18k Gold, White Gold

1.00ct Natural Parti Colour Blue Green Thai Sapphire Oval Loose Gem 6.5X4.5mm
By Gems and Jewels UK
Located in Birmingham, GB
, would look lovely in jewellery. Standard heated like nearly all sapphires on the market. No diffusion or
Category

21st Century and Contemporary More Jewelry

Materials

Sapphire

Unheated 24.75 Carat Yellow Sapphire and Diamond Pendant Enhancer, GIA Certified
By Sarosi By Timeless Gems
Located in Los Angeles, CA
lemon yellow color. Most sapphires are heated to obtain vibrant colors, so unheated gems are
Category

21st Century and Contemporary North American Artisan Pendant Necklaces

Materials

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

Fine 1.04ct Australian Deep Green Blue Sapphire Heart Cut Rare Gem
Located in Birmingham, GB
. Standard heated like nearly all sapphires on the market. No diffusion or other treatment.
Category

21st Century and Contemporary More Jewelry

Materials

Sapphire

Blue Sapphire and Diamond Set. Made in Italy 18K Yellow Gold
By Unbranded
Located in New York, NY
Exclusive, gorgeous heated blue sapphire, natural diamond set. Made in Italy. Ring: 18K Yellow Gold
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, Sapphire, 18k Gold, Yellow Gold

Unique 1.01ct Deep Yellowish Blue Rare Sapphire Heart Cut IGI Certified
By Gems and Jewels UK
Located in Birmingham, GB
clean stone. Fully certified and sealed by IGI in Antwerp. Standard heated like nearly all sapphires on
Category

20th Century More Jewelry

Materials

Sapphire

14k white gold Oval Sapphire and diamond halo engagement ring
Located in New York, NY
-NATURAL 10-ROUND DIAMOND 0.83 CT TOTAL WEIGHT GHSI1 quality -5x7 OVAL CEYLON BLUE SAPPHIRE
Category

Early 2000s North American Bridal Rings

Materials

Diamond, Sapphire, 14k Gold, White Gold

Ceylon Padparascha Sapphire Ring with Earth Mined Diamonds: 14K White Gold
Located in Columbus, OH
This delicate ring features a rare 0.39ct oval Padparadscha Sapphire from Ceylon, measuring 5.4 x
Category

21st Century and Contemporary Contemporary Fashion Rings

Materials

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

Vintage GIA 3.90 carat sapphire diamond 18k white gold cocktail ring
Located in Beverly Hills, CA
This vintage 18k white gold cocktail ring showcases a 3.90 carat GIA-certified heated Thai sapphire
Category

Vintage 1970s Modern Cocktail Rings

Materials

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

4cts Blue Sapphire Ring with Natural Diamonds Accents: Solid 14k Gold, 8x6mm
Located in Columbus, OH
: Item Type: Ring Center Stone: Blue Sapphire Treatment: Heated Weight: 4.04cts Head Size: 8x6mm Shape
Category

21st Century and Contemporary Modern Engagement Rings

Materials

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

Vivid Diamonds Stunning 6.22 Carat Sapphire Diamond Gold Ring
By Vivid Diamonds
Located in Miami, FL
18 Karat White Gold Ring Featuring a 6.22 Carat Natural Blue Sapphire from Madagascar, Heated, AGL
Category

21st Century and Contemporary American More Rings

Materials

Blue Sapphire, Diamond, 18k Gold

Australian 1.15ct Bi Colour Greenish Blue Yellow Sapphire Heart Cut Gem
Located in Birmingham, GB
, would look lovely in jewellery. Measures 7x6.2mm. Standard heated like nearly all sapphires on the
Category

21st Century and Contemporary More Jewelry

Materials

Sapphire

18 Karat Yellow Gold Nature Morte Style Peacock Ring with Blue Sapphire
By Polya Medvedeva Jewellery
Located in Berlin, DE
This Nature Morte Style Peacock ring is in 18 karat yellow gold with natural heated oval cut blue
Category

21st Century and Contemporary German Contemporary Cocktail Rings

Materials

Beryl, Emerald, Sapphire, Blue Sapphire, Gold, 18k Gold, Rose Gold, Yell...

Unique 1.12 Carat Natural Parti Colour Sapphire Cushion Cut Rare Gem VS
By Gems and Jewels UK
Located in Birmingham, GB
and excellent clarity, VS. Unique and rare natural gemstone. Standard heated like nearly all sapphires
Category

21st Century and Contemporary More Jewelry

Materials

Sapphire

3.10 Total Carat Sapphire and Diamond Halo Pave-Set Ladies Ring
Located in New York, NY
Cushion Cut Natural Blue Sapphire, Heated -0.89 Carat Round Natural side Diamonds. F-G Color, VS Clarity
Category

2010s American Cocktail Rings

Materials

Diamond, Sapphire, Platinum

1.35cts Blue Sapphire Ring with Natural Diamond Accents: Solid 14k Gold, 8x6.5mm
Located in Columbus, OH
attitude." Specifications: Item Type: Ring Center Stone: Blue Sapphire Treatment: Heated Weight: 1.35cts
Category

21st Century and Contemporary Modern Fashion Rings

Materials

Diamond, Blue Sapphire, Gold, 14k Gold, Yellow Gold

Natural 1.60Ct Bi Colour Sapphire Unique Blue Green Cushion Cut Loose Gem If
By Gems and Jewels UK
Located in Birmingham, GB
heated like nearly all sapphires on the market. No diffusion or other treatment. Beautiful and unique
Category

21st Century and Contemporary More Jewelry

Materials

Sapphire

MAUBOUSSIN Paris Cocktail Ring In 18Kt Gold With 6.58 Ctw Sapphire Diamonds
By Mauboussin
Located in Miami, FL
polished finish and is embellished on top with a non-heated vivid blue sapphire from Ceylon (Sri-Lanka). It
Category

Vintage 1980s French Modernist Cocktail Rings

Materials

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

Certified 2.01 Carat Round Blue Sapphire Diamond Double Halo Gold Ring
By Diamond Stars Jewelry, Inc.
Located in New York, NY
Sapphire. The Sapphire is heated and is certified by LAPIS. There are 0.84 carats in diamonds F/G VS. The
Category

21st Century and Contemporary American Contemporary Cocktail Rings

Materials

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

New Platinum 6.13ctw AGL Cushion Pink Sapphire Long Trapezoid Diamond Ring
Located in Montclair, NJ
Treatment: No gemological evidence of heat Comments: Non-heated pink sapphire are scarce. Pink sapphires are
Category

2010s American Engagement Rings

Materials

Diamond, Pink Sapphire, Platinum

1950s GIA 4.38ctw Natural Color-Change PURPLE No-Heat Sapphire Diamond Plat Ring
Located in New York, NY
Sapphire, exceptionally Clear with no visible imperfections, Not Treated or Heated, GIA # 5231509689
Category

Vintage 1950s Retro Cocktail Rings

Materials

Diamond, Sapphire, Purple Sapphire, Platinum

Natural Royal Blue Sapphire Gemstone 2.03 carats with GIA Report / JupiterGem
Located in Los Angeles, CA
from Madagascar, known for its high-quality sapphires Treatment: Heated, enhancing the stone's natural
Category

21st Century and Contemporary Malagasy Loose Gemstones

Materials

Blue Sapphire

Natural 1.02ct Colour Change Sapphire Purple Blue Pink IGI Trillion Triangle Cut
By Gems and Jewels UK
Located in Birmingham, GB
changing effect. Standard heated like nearly all sapphires on the market. No diffusion or other treatment
Category

21st Century and Contemporary More Jewelry

Materials

Sapphire

Unique 0.58ct Green Blue Natural Ceylon Sapphire Oval Cut Rare Gem VS
By Gems and Jewels UK
Located in Birmingham, GB
Lanka, source of some of the finest sapphires in the world. Standard heated like nearly all sapphires on
Category

20th Century More Jewelry

Materials

Sapphire

14.10 Carat Blue Double Cabochon Sapphire 1.46ctw Diamond Cocktail Ring
Located in Houston, TX
This cocktail ring features a 14.10 carat heated blue double Cabochon sapphire surrounded by 1.46
Category

21st Century and Contemporary American Cocktail Rings

Materials

Diamond, Sapphire, 18k Gold, White Gold

Modern Platinum 4.29 Carat Natural Royal Blue Sapphire Diamond Engagement Ring
Located in Los Angeles, CA
Stunning Modern Platinum Ring. The 3.15 carat centerstone is a Royal Blue Cushion Shaped heated
Category

2010s Modern Engagement Rings

Materials

Diamond, Blue Sapphire, Platinum

Natural Royal Blue Sapphire Gemstone 2.17 carats with GIA Report / JupiterGem
Located in Los Angeles, CA
Discover the captivating allure of this natural royal blue sapphire, weighing 2.17 carats. Renowned
Category

21st Century and Contemporary Malagasy Loose Gemstones

Materials

Blue Sapphire

AA Blue Ceylon Sapphire Pendant with Natural Diamonds: 14K Solid White Gold
Located in Columbus, OH
Specifications: Item Type: Pendant Center Stone: AA Ceylon Blue Sapphire Treatment: Heated Weight: 0.87cts Head
Category

21st Century and Contemporary Modern Pendant Necklaces

Materials

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

Royal Blue Sapphire and Diamond Engagement Ring cts 9.63
Located in Hong Kong, HK
A deep blue and fiery intense blue prevails over this stone that is a heated Sri Lankan sapphire
Category

21st Century and Contemporary Hong Kong Contemporary Engagement Rings

Materials

Diamond, Blue Sapphire, 18k Gold, White Gold

Ceylon Sapphire Ring with Natural Diamond Accents: Solid 14k White Gold, 7x5mm
Located in Columbus, OH
: Sapphire Treatment: Heated Weight: 0.8cts Head Size: 7x5mm Shape: Oval Hardness: 9 Country of Origin
Category

21st Century and Contemporary Contemporary Fashion Rings

Materials

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

Ceylon Sapphire Ring with Natural Diamonds Halo: 14k Solid Gold, Oval 7x5mm
Located in Columbus, OH
Center Stone: Sapphire Treatment: Heated Weight: 1.09cts Head Size: 7x5mm Shape: Oval Hardness: 9 Country
Category

21st Century and Contemporary Contemporary Fashion Rings

Materials

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

2.76 Total Carat Sapphire and Diamond Halo Ladies Engagement Ring GIA
Located in New York, NY
: Platinum -1.68 Carat Oval Cut Natural NON Heated Blue Sapphire, GIA Certified -Sapphire Color: Blue
Category

2010s American Engagement Rings

Materials

Diamond, Blue Sapphire, Platinum

AGL Cert. 20 Carat No Heat Ceylon Yellow Sapphire Art Deco PT Filigree Pendant
By Unbranded
Located in Miami, FL
pendant features a, non-heated Ceylon yellow sapphire. Non-heated yellow sapphires are scarce. There has
Category

Vintage 1930s Sri Lankan Art Deco Pendant Necklaces

Materials

Diamond, Sapphire, Yellow Sapphire, Platinum

Pink Sapphire Ring with Natural Diamonds Accents: 14k Solid Gold, Round 3.5mm
Located in Columbus, OH
Delicate and dazzling, this pink sapphire ring features a 3.5mm round gem embraced by natural
Category

21st Century and Contemporary Modern Fashion Rings

Materials

Diamond, Pink Sapphire, Gold, 14k Gold, Rose Gold

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Heated Sapphire For Sale on 1stDibs

Surely you’ll find the exact heated sapphire you’re seeking on 1stDibs — we’ve got a vast assortment for sale. Each design created in this style — which was crafted with great care and often made from gold, 18k gold and white gold — can elevate any look. You can easily find a 449 antique edition and 1036 modern creations to choose from as well. If you’re looking for a heated sapphire from a specific time period, our collection is diverse and broad-ranging, and you’ll find at least one that dates back to the 18th Century while another version may have been produced as recently as the 21st Century. For this particular accessory, there are many different carat weights to choose from, but .5 carat and 1 carat versions are of considerable interest. Creating a heated sapphire has been a part of the legacy of many jewelers, but those produced by Gems and Jewels UK, OGI Ltd and Diamond Stars Jewelry, Inc. are consistently popular. See these pages for an oval cut iteration of this accessory, while there are also cushion cut cut and round cut cut versions available here, too. When shopping for a heated sapphire, you’ll find that there are less available pieces for unisex or men today than there are for women.

How Much is a Heated Sapphire?

The price for a heated sapphire starts at $1 and tops out at $1,065,000 with these rings, on average, selling for $4,645.

The Legacy of Sapphire in Jewelry Design

On 1stDibs, shop the bright blue gems that star in sapphire rings, sapphire necklaces and other vintage and antique sapphire jewelry

Sapphires — the stone of choice for Napoleon, Princess Diana and Elizabeth Taylor — have been a favorite of aristocrats and the well-to-do since the time of the Ancient Greeks.

Picture a sapphire. If the stone you conjure is a deep cornflower blue, you’re seeing only part of the picture. Although blue Kashmirs are considered the most valuable, sapphires come in every color except red. No matter the hue, this very special gem is rich in history and beloved by royals (FYI, Princess Diana and Kate Middleton share an 11-carat sapphire engagement ring), so September babies are in very noble company.

America’s version of royalty — old money and celebrities — have also shown a predilection for the blue stones. In 1940, John D. Rockefeller Jr. had Cartier mount a 62-carat sapphire he had bought from an Indian maharajah in a brooch for his first wife, Abby Aldrich Rockefeller; in 2001, the piece sold for a then-record of $3,031,000 at Christie’s New York.

The grand dame of jewelry, Elizabeth Taylor had a passion for the gems that her lovers were happy to indulge. Second husband Michael Wilding gave her an engagement ring set with a cabochon sapphire, while Richard Burton famously presented her with a BVLGARI sautoir set with diamonds and sapphires, including at its center a cabochon Burmese weighing 52.72 carats. One of the star lots in the sale of Taylor’s jewels at the Christie’s New York in 2011, it sold for $5,906,500.

You don’t have to have blue blood or a bulging bank account, however, to get an eyeful of this much-coveted gem. A number of outstanding examples reside in public collections.

The Smithsonian Museum of Natural History owns the 423-carat Logan sapphire, a gift from the Guggenheim family, and the Hall sapphire and diamond necklace, designed by Harry Winston and featuring 36 fine, well-matched cushion-cut Sri Lankan sapphires weighing a combined 195 carats. Also in the collection is the Bismarck sapphire necklace, designed by Cartier and sporting a central sapphire weighing 98.6 carats, which Mona Von Bismarck donated to the museum.

Sapphires are composed of corundum. Their color derives from trace elements, such as iron, titanium, chromium, copper or magnesium. When the trace element produces a ruby hue, the stone is called, what else, a ruby. (which is, as mentioned above, why sapphires cannot be red by definition).

The allure of large gemstones endures throughout the periods characterized as vintage, and sapphire features frequently in vintage engagement rings. (On 1stDibs, a range of buying guides can be found for those in the market for antique engagement ringsvintage engagement rings or Art Deco engagement rings.)  

Find an exquisite collection of vintage and antique sapphire jewelry on 1stDibs.

Questions About Heated Sapphire
  • 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.