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GIA Victorian 2.94 Carats Cushion No-Heat Pink Burma Sapphire Diamond Ring
Located in Philadelphia, PA
purplish pink. Natural Burmese in origin with no indications of heat treatment - prong set. With a burst
Category

Antique 1880s Victorian Cocktail Rings

Materials

Diamond, White Diamond, Sapphire, Pink Sapphire, 14k Gold, Yellow Gold

Platinum GIA 6.94ct Burma No Heat Star Sapphire Diamond Ballerina Cocktail Ring
Located in Montclair, NJ
- No Heat - Burma - 5.84ct (exact) ** See Certification Details Below for Complete Info ** Numerous
Category

20th Century Cocktail Rings

Materials

Diamond, Sapphire, Platinum

Victorian No Heat Burma Sapphire Diamond Halo Ring Circa 1870 s Estate
Located in Boston, MA
Aston Estate Jewelry Presents: A victorian period No Heat Burmese sapphire, and diamond ring in 14
Category

Antique Late 19th Century Victorian Cluster Rings

Materials

Diamond, Sapphire, 14k Gold

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

Burma No Heat 2.93 Carat Blue Sapphire Diamond Platinum Art Deco Ring
Located in Los Angeles, CA
the sapphire is of Burmese origin and shows no gemological evidence of heat enhancement, on an
Category

Vintage 1930s Art Deco Engagement Rings

Materials

Diamond, Blue Sapphire, Platinum

Edwardian 2.56 CTW No Heat Burma Sapphire Diamond Platinum Antique Ring AGL
Located in Philadelphia, PA
Natural Burmese(Myanmar) in origin with no indications of heat treatment - bezel set Featuring a pierced
Category

Vintage 1910s Edwardian Engagement Rings

Materials

Diamond, Sapphire, Platinum

Platinum GIA 9.22ctw Oval No Heat Burma Pink Sapphire Diamond Statement Ring
Located in Montclair, NJ
--Stone(s):-- (1) Natural Genuine Sapphire - Oval Cut - Prong Set - Vivid Pink Color - No Heat
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, Pink Sapphire, Platinum

Certified 9.32 Carat Burma No Heat Sapphire and Diamond Ring by Gübelin
By Gubelin Lucerne
Located in Lucerne, CH
Burmese sapphire of 9.32 carats. Accented by six brilliant-cut diamonds of G/H colour and vs clarity. The
Category

Late 20th Century Swiss Contemporary Solitaire Rings

Materials

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

GIA Natural No Heat Burma Sapphire 3.53 Carat in Diamond Platinum Ring
Located in La Jolla, CA
GIA Natural No Heat Burma Sapphire 3.53 Carat in Diamond Platinum Ring Sapphire and Diamond Ring
Category

21st Century and Contemporary North American Cocktail Rings

Materials

Diamond, Sapphire, Platinum

1.40 Carat Emerald-Cut No-Heat Burmese Sapphire and Diamond Engagement Ring
By Gem and Honey
Located in New York, NY
A beautiful emerald-cut no-heat one-carat unheated sapphire and diamond engagement ring by Gem
Category

21st Century and Contemporary American Contemporary Engagement Rings

Materials

Diamond, Sapphire, Platinum

GIA Certified 3.82 Carat Burma No Heat Pink Sapphire Diamond Platinum Earrings
Located in Kowloon, HK
An epitome of prestige and refinement, these GIA-certified 3.82-carat Burma no-heat pink sapphire
Category

2010s Stud Earrings

Materials

White Diamond, Diamond, Pink Sapphire, Platinum

Men s Platinum GIA Certified Burma No Heat Star Sapphire Baguette Diamond Ring
Located in Montclair, NJ
sapphire is 100% natural genuine stone, originated from Burma and has no treatment of any sort. The
Category

1990s Solitaire Rings

Materials

Diamond, Star Sapphire, Platinum

5.74ct Burma No Heat Blue Sapphire GIA Old European Diamond Pendant Platinum
Located in Tampa, FL
A stunning Art Deco pendant featuring an approximately 5.74 Carat Burma No Heat Blue Sapphire as
Category

Vintage 1910s American Art Deco Pendant Necklaces

Materials

Diamond, Blue Sapphire, Platinum

Men s Platinum GIA Certified Burma No Heat Star Sapphire Baguette Diamond Ring
Located in Montclair, NJ
sapphire is 100% natural genuine stone, originated from Burma and has no treatment of any sort. The
Category

1990s Solitaire Rings

Materials

Diamond, Star Sapphire, Platinum

Edwardian 2.15 Carat No Heat Burma Sapphire Diamond Pearl Platinum Pendant AGL
Located in Philadelphia, PA
Centering an oval mixed cut, Burmese sapphire weighing approximately 2.05 carats, bright deep royal
Category

Antique Early 1900s Unknown Edwardian Drop Necklaces

Materials

Diamond, Freshwater Pearl, Blue Sapphire, Platinum

Platinum 18k Gold GIA No Heat Burma Sapphire Baguette Diamond Ballerina Ring
Located in Montclair, NJ
certification for the sapphire in which insures the stone is 100% natural and originated from Burma. Enjoy
Category

Late 20th Century Cluster Rings

Materials

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

GIA No Heat Burma Carved Sapphire 1.05 Two Diamonds 0.71 Carat Platinum Ring
By OGI Ltd
Located in New York, NY
Exquisite GIA No Heat Burma Carved Sapphire Ring with Diamonds in Platinum - 1.05 carat Sapphire
Category

2010s American Contemporary Three-Stone Rings

Materials

Diamond, Sapphire, Blue Sapphire, Platinum

Burmese Jadeite, Tsavorite, No Heat Blue Sapphire, Emerald and Diamond Pave Ring
By Joke Quick
Located in Antwerp, BE
Burmese Jadeite cabochons, Tsavorite 0,86 ct., Natural no heat blue sapphire 0,08 ct.( Top Quality
Category

2010s Belgian Contemporary Fashion Rings

Materials

Diamond, Emerald, Jade, Blue Sapphire, 18k Gold, Sterling Silver

SSEF Certified 5.73 Carat Blue Sapphire Burma No Heat and Diamond Ring
Located in New York, NY
is mounted with an oval cut natural burma no heat blue sapphire that weighs 5.73 carat and is
Category

Antique Late 19th Century American Contemporary Cocktail Rings

Materials

White Diamond, Blue Sapphire, Platinum

GIA certified 1.4Ct Burma No Heat Blue Sapphire Ring with Natural Diamonds
Located in Singapore, SG
. Accompanied by a gem certificate from GIA stating that the sapphire is natural and from Burma with no
Category

21st Century and Contemporary Singaporean Art Deco Engagement Rings

Materials

Diamond, Blue Sapphire, White Gold

Edwardian No Heat Burma Pink Sapphire Diamond Platinum 14K Gold Antique Ring
Located in Philadelphia, PA
Natural Burmese in origin with no indications of heat treatment Prong set in platinum-topped head with a
Category

Vintage 1910s Edwardian Engagement Rings

Materials

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

GIA certified 1.39Ct Burma No Heat Blue Sapphire Ring with Natural Diamonds
Located in Singapore, SG
Vintage-Inspired Unheated Burma Blue Sapphire Ring with GIA certificate The high-quality sapphires
Category

21st Century and Contemporary Singaporean Art Deco Engagement Rings

Materials

Diamond, Blue Sapphire, 10k Gold, White Gold

Antique GIA Burma No Heat Pink Sapphire and Diamond 18k Gold Cluster Ring
Located in Beverly Hills, CA
One Antique GIA Burma No Heat Pink Sapphire and Diamond 18k Gold Cluster Ring. Featuring one GIA
Category

Antique 1890s Cluster Rings

Materials

Diamond, White Diamond, Sapphire, Blue Sapphire, Pink Sapphire, Gold, 18...

AGL Certified 5.75 Carat Burma No Heat Cushion Cut Blue Sapphire Loose Stone
Located in Miami, FL
Loose AGL certified 5.75 carat no heat Burma Blue Sapphire cushion cut with rich blue color and no
Category

21st Century and Contemporary Contemporary Loose Gemstones

Materials

Sapphire

Art Deco 4.41 Carat No Heat Burma Sapphire Diamond Platinum Band Ring GIA
Located in Philadelphia, PA
Burma sapphire weighing approximately 3.05 carats Transparent and strongly blue in color with no
Category

Vintage 1930s Art Deco Band Rings

Materials

Diamond, White Diamond, Sapphire, Blue Sapphire, Platinum

AGL 7.50 Carat Burma No Heat Sapphire Diamond Gold Cluster Ring
Located in Beverly Hills, CA
Burma no heat sapphire (1082663). Beautifully accompanied by 14 diamonds approximately 1.40 carats, G-H
Category

21st Century and Contemporary Cluster Rings

Materials

Diamond, 18k Gold, White Gold

4.41 carats No-heat Burma Blue sapphire Ruby cabochon for jewelry natural gem
Located in Jaipur, RJ
4.41 carats No-heat Burma Blue sapphire & Ruby cabochon for jewelry natural gem Weight - 4.41
Category

2010s Unknown Loose Gemstones

Materials

Blue Sapphire, Ruby

Art Deco Natural No Heat Burma Blue Star Sapphire Set in Platinum
Located in Cape May, NJ
Antique Art Deco Platinum Diamond 7.63 Carat Natural Blue Star Sapphire Ring. The ring is in
Category

Vintage 1930s American Art Deco Engagement Rings

Materials

Blue Sapphire, Diamond, Platinum

Platinum 2.75ct GIA Burma No Heat Royal Blue Oval Sapphire Prong Stud Earrings
Located in Montclair, NJ
no heat treatment and originated from Burma. Enjoy :) --Stone(s):-- (2) Natural Genuine Sapphires
Category

2010s American Stud Earrings

Materials

Sapphire, Platinum

15.5 Carat Burma No Heat Sapphire Diamond Cluster Yellow and White Gold Ring
Located in London, GB
This stunning ring is set with a 15.5ct Burmese No heat sapphire. It comes with a certificate from
Category

Vintage 1960s French Cluster Rings

Materials

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

Vintage Van Cleef Arpels GIA Burma No Heat Sapphire Diamond 18k Gold Ring
By Van Cleef Arpels
Located in Beverly Hills, CA
One Vintage Van Cleef & Arpels GIA Burma No Heat Sapphire and Diamond 18k Yellow Gold Ring
Category

Vintage 1970s Cocktail Rings

Materials

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

GIA Certified 1.34 Carat, Natural, Burmese No Heat Sapphire Ring Set in Platinum
Located in Tokyo, JP
A beautiful ring featuring GIA Certified 1.34 Carat, Natural, Burmese, Unheated Sapphire and 0.76
Category

21st Century and Contemporary Japanese Modern Engagement Rings

Materials

Diamond, Sapphire, Blue Sapphire, Platinum

Art Deco 2.02 Carats No Heat Pink Burma Sapphire Diamond Platinum Ring AGL
Located in Philadelphia, PA
Centering an oval cut pink Burma sapphire weighing 1.02 carats, saturated in color with no evidence
Category

Vintage 1920s Art Deco Cluster Rings

Materials

Diamond, Pink Sapphire, Platinum

Art Deco 4.82 Carat GIA Natural Burma No Heat Sapphire Diamond Platinum Ring
Located in Beverly Hills, CA
This iconic Art Deco cluster ring features a 4.82 carat Burma no heat sapphire displaying a deep
Category

Vintage 1920s Art Deco Cluster Rings

Materials

Sapphire, Diamond, Platinum

Antique Art Deco Platinum Burma No Heat Sapphire Diamond Three Stone Ring, GIA
Located in Great Neck, NY
Beautiful Antique Art Deco Platinum Burma No Heat Sapphire Diamond Three Stone Ring - GIA. This
Category

Vintage 1920s Unknown Art Deco Three-Stone Rings

Materials

Diamond, Sapphire, Platinum

French Alexandre Reza 2.68 Carats No Heat Burma Sapphire Diamond 18 Karat Ring
Located in Philadelphia, PA
Featuring an oval cut Burma sapphire weighing 2.16 carats. Bright blue in color and semi
Category

Late 20th Century French Contemporary Cocktail Rings

Materials

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

1.30 Carat No-Heat Emerald-Cut Burma Sapphire Bezel-Set Solitaire Gold Ring
By Gem and Honey
Located in New York, NY
A natural, no-heat (unheated) emerald-cut, bezel-set sapphire 18kt yellow gold ring by Gem + Honey
Category

21st Century and Contemporary American Contemporary Engagement Rings

Materials

Sapphire, Gold, 18k Gold, Yellow Gold

Cartier Retro 2.10 Carats No Heat Burma Sapphire Diamond 18 Karat Gold Earrings
By Cartier
Located in Philadelphia, PA
round cut Burmese sapphire weighing in total 1.80 carats; very well-matched and bright royal blue in
Category

Vintage 1940s Retro Drop Earrings

Materials

Diamond, Blue Sapphire, 18k Gold

18k Gold 5.91ctw AGL Emerald Burma No Heat Sapphire Step Baguette Diamond Ring
Located in Montclair, NJ
features a magnificent, AGL certified, natural sapphire prong set at its center. This AGL certified Burma
Category

2010s Art Deco Engagement Rings

Materials

Diamond, Sapphire, 18k Gold, White Gold

Antique Victorian Blue Enamel Bangle 3.48 Ct Burmese No-Heat Sapphire 14KY Gold
Located in New York, NY
by AGL ( American Gemological Laboratories) as a No-Heat sapphire of BURMA ( Myanmar) Origin
Category

Antique Early 1900s British Victorian Bangles

Materials

Diamond, Sapphire, Gold, Platinum, Enamel

Antique Victorian 18K Gold GIA NO HEAT Burma Sapphire Diamond Cluster Band Ring
Located in Montclair, NJ
Victorian period. The ring features an approximately 1.75 carat, oval cut, natural Burma sapphire at its
Category

Antique 1890s Victorian Cocktail Rings

Materials

Diamond, Sapphire, 18k Gold, Yellow Gold

Vintage 18k Gold GIA Burma NO HEAT Oval Sapphire Baguette Diamond Ballerina Ring
Located in Montclair, NJ
originated from Burma. Enjoy :) --Stone(s):-- (1) Natural Genuine Sapphire - Oval Modified Brilliant Cut
Category

Vintage 1980s Cocktail Rings

Materials

Diamond, Sapphire, 18k Gold, White Gold

David Webb 38 Carat Natural No Heat Burma Sapphire Emerald Diamond Gold Ring
By David Webb
Located in New York, NY
An impressive and bold ring by David Webb featuring a large, natural no-heat, sapphire weighing
Category

20th Century American Cocktail Rings

Materials

White Diamond, Emerald, Blue Sapphire, 18k Gold, Yellow Gold, Platinum

Antique French Burma No Heat Sapphire Diamond 18K Yellow Gold Three Stone Ring
Located in Beverly Hills, CA
One Antique French Burma No Heat Sapphire Diamond 18K Yellow Gold Three Stone Ring. Featuring one
Category

Antique Early 1900s French Three-Stone Rings

Materials

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

GIA Certified 1.44 Carat, No Heat, Burmese Blue Sapphire Ring set in Platinum
Located in Tokyo, JP
A beautiful ring featuring GIA Certified 1.44 Carat Natural No Heat, Burmese Sapphire and 0.20
Category

20th Century Japanese Modern Cluster Rings

Materials

Blue Sapphire, Platinum

Antique Victorian 14k Gold 2.40ct AGL Burma No Heat Sapphire Diamond Halo Ring
Located in Montclair, NJ
, Burma sapphire stone that is elegantly multi-prong set at the center of a classic halo design. That very
Category

Antique 1890s Victorian Cocktail Rings

Materials

Diamond, Sapphire, 14k Gold, Yellow Gold

Vintage 14k White Gold GIA 3.25ct Burma No Heat Cabochon Sapphire Diamond Ring
Located in Montclair, NJ
: Natural Corundum - Natural Sapphire Geographic Origin: Burma (Myanmar) Treatment: No Indications of
Category

20th Century Engagement Rings

Materials

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

Victorian No Heat Burma Pink Sapphire Diamond Pearl 14K Gold Drop Earrings GIA
Located in Philadelphia, PA
style silver bezels and suspending round cut transparent pink sapphire links Natural Burmese in origin
Category

Antique 1880s Victorian Drop Earrings

Materials

Diamond, Pearl, Pink Sapphire, Gold, 14k Gold, Silver

GIA Certified 21 Carat Burma No Heat Royal Blue Sapphire Diamond Dangle Earrings
By Antinori Fine Jewels
Located in Chicago, IL
of both sapphires being Burmese mined, royal blue color and also no heat, is the ‘piece de resistance
Category

Vintage 1980s Italian Modern Dangle Earrings

Materials

Diamond, Blue Sapphire, Platinum

Victorian French GIA Burma no heat pink sapphire diamond 18k yellow gold ring
Located in Beverly Hills, CA
-heat Burmese pink sapphire whose vivid hue radiates natural purity and grace. The sapphire’s soft
Category

Antique Early 1900s Victorian Cocktail Rings

Materials

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

Antique 14k Gold GIA Burma No Heat Star Ruby Sapphire Bypass Cocktail Ring
Located in Montclair, NJ
sapphire have been certified by GIA as being 100% natural genuine stones, originated from Burma with no
Category

Vintage 1910s Art Nouveau Cocktail Rings

Materials

Diamond, Ruby, Sapphire, 14k Gold, White Gold, Yellow Gold

Vintage Italian 18K Yellow White Gold Earrings w/ Burma No-Heat Blue Sapphires
Located in New York, NY
Gemological Institute of America (GIA) as Burma No-Heat, with a total carat weight of approximately 4.00
Category

20th Century Clip-on Earrings

Materials

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

Antique Victorian 14k Gold 2.00ct GIA No Heat Burma Sapphire Euro Diamond Ring
Located in Montclair, NJ
certification indicates that the sapphire in NOT heated and is 100% natural originated from Burma. Enjoy
Category

Antique Late 19th Century Unknown Victorian Three-Stone Rings

Materials

Diamond, Sapphire, 14k Gold, Rose Gold

Natural Sapphire Diamond Gold Ring, 8.16-carat Burmese No Heat AGL Gem Report
Located in Beverly Hills, CA
Burmese sapphire framed with fourteen round brilliant cut diamonds set in 18k white gold. The diamonds are
Category

21st Century and Contemporary Unknown Cocktail Rings

Materials

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

Art Deco Platinum Ring Set with 1.59 Carat No Heat Pink Burma Sapphire GIA
Located in Litchfield, CT
WEIGHT: 4.0 grams STONES: 1.59 carat No-Heat Burma purple-pink sapphire by GIA report, with .75
Category

Vintage 1920s American Art Deco Cocktail Rings

Materials

White Diamond, Sapphire, Pink Sapphire, Platinum

Vintage GIA 1.87 Carat Burma No Heat Sapphire and Diamond 14k White Gold Balleri
Located in Beverly Hills, CA
One Vintage GIA 1.87 Carat Burma No Heat Sapphire and Diamond 14k White Gold Ballerina Ring
Category

Vintage 1980s Cocktail Rings

Materials

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

Edwardian 2.83 CTW No Heat Burma Sapphire Diamond Plat 18K Antique Halo Ring GIA
Located in Philadelphia, PA
Burmese (Myanmar) in origin and displaying no indications of heat treatment Set in a milgrain gold bezel
Category

Vintage 1910s Edwardian Engagement Rings

Materials

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

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Burmese Sapphire No Heat For Sale on 1stDibs

Surely you’ll find the exact burmese sapphire no heat 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 Platinum, Gold and 18k Gold — can elevate any look. Find an antique version now, or shop for 136 vintage or 57 modern creation for a more contemporary example of these cherished accessories. If you’re looking for a burmese sapphire no heat from a specific time period, our collection is diverse and broad-ranging, and you’ll find at least one that dates back to the 19th Century while another version may have been produced as recently as the 21st Century. As it relates to this specific piece, our collection includes designs that are universally popular, but 1.5 Carat and 2 Carat carat weights, specifically, are sought with frequency. Creating a burmese sapphire no heat has been a part of the legacy of many jewelers, but those produced by Gem and Honey, Bulgari and Beyond Fine Jewelry 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 burmese sapphire no heat, you’ll find that there are less available pieces for unisex or men today than there are for women.

How Much is a Burmese Sapphire No Heat?

The price for a burmese sapphire no heat starts at $1,423 and tops out at $1,175,000 with these rings, on average, selling for $25,000.

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 Burmese Sapphire No Heat
  • 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 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 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.