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Vintage No Heat Sapphire

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Burma No Heat Sapphire Diamond Earrings
Located in New York, NY
A stunning pair of eight natural, no heat sapphires from Burma, set with two round and four pear
Category

20th Century American Art Deco Vintage No Heat Sapphire

Materials

Blue Sapphire, Diamond, Platinum

6.00ct Oval, No Heat, Sapphire Ring - AGL Certified
Located in Scottsdale, AZ
18K white gold, cocktail ring. Center stone is one (1) oval cut, no heat, sapphire weighing 6.00ct
Category

20th Century Vintage No Heat Sapphire

Materials

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

GIA No Heat Sapphire Antique Victorian Diamond Gold Ring
Located in Miami, FL
: 1 Round Natural No Heat Sapphire, Old European Round Diamonds Diamond Color: J Diamond Clarity: SI
Category

20th Century Vintage No Heat Sapphire

Materials

Diamond, Sapphire, 18k Gold, Yellow Gold

Large Natural No Heat Sapphire Diamond Platinum Cocktail Ring
Located in Napoli, IT
of Platinum during the 60’s. Boasting a magnificent 7.46 Ct Natural no heat Sapphire Ceylon origin
Category

1960s European Contemporary Vintage No Heat Sapphire

Materials

Diamond, Sapphire, Platinum

No Heat Sapphire and Diamond Ring in 18k GIA Certified
Located in Wailea, HI
No Heat Sapphire and Diamond Ring in 18k GIA Certified Beautifully Constructed by a Fine Master
Category

Late 20th Century Unknown Vintage No Heat Sapphire

Materials

Blue Sapphire, 18k Gold

131.05 Carat No Heat Sapphires and Diamonds Necklace and Earrings Platinum
Located in BEVERLY HILLS, CA
Vintage no heat sapphires and diamonds vintage necklace and earrings high jewelry set in platinum
Category

1960s Unknown Contemporary Vintage No Heat Sapphire

Materials

Diamond, Sapphire, Blue Sapphire, Platinum

11 carat natural no heat sapphire and diamond 1960s yellow gold ring
Located in Malmö, SE
A 11 ct natural and no heat sapphire (GCS certificate). Surrounded by round brilliant-cut diamonds
Category

1960s Swedish Vintage No Heat Sapphire

Materials

Diamond, Sapphire, 18k Gold

Bulgari Diamond AGL Certified Oval-Shaped Ceylon No Heat Sapphire Ring
By Bulgari
Located in New York, NY
A fabulous ring by Bulgari, set at the center with an oval Ceylon No Heat sapphire of magnificent
Category

1960s Italian Vintage No Heat Sapphire

Materials

Diamond, Sapphire, Platinum

3.08 Carat GIA Cert No Heat Sapphire Diamond Platinum Engagement Ring
Located in New York, NY
This gorgeous platinum ring is centered with a vivid blue oval cut GIA certified no heat sapphire
Category

20th Century Vintage No Heat Sapphire

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 Vintage No Heat Sapphire

Materials

Sapphire, 18k Gold

Vintage GIA 4.10 Carat Thai No Heat Sapphire Diamond Platinum Ring
Located in Beverly Hills, CA
One Vintage GIA 4.10 Carat Thai No Heat Sapphire Diamond Platinum Ring. Featuring one GIA oval
Category

1990s Vintage No Heat Sapphire

Materials

Diamond, White Diamond, Sapphire, Blue Sapphire, Platinum

Kashmir AGL GIA No Heat Sapphire 2.53cts Diamond Platinum Ring
Located in Miami, FL
Very Rare Certified Kashmir No Heat Sapphire 2.53cts Diamond Platinum Ring Presenting this vintage
Category

1980s American Art Deco Vintage No Heat Sapphire

Materials

Diamond, Sapphire, Platinum

Burma No Heat Sapphire Diamond Pendant
Located in New York, NY
A beautiful natural, no heat pear-shape sapphire set with three round and three pear-shape rose cut
Category

20th Century American Art Deco Vintage No Heat Sapphire

Materials

Blue Sapphire, Diamond, Platinum

Mid-Century GIA Madagascan No Heat Sapphire Diamond Platinum Ring
Located in Beverly Hills, CA
One Mid-Century GIA Madagascan No Heat Sapphire Diamond Platinum Ring. Featuring one square mixed
Category

1960s Vintage No Heat Sapphire

Materials

Diamond, White Diamond, Sapphire, Blue Sapphire, Platinum

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

1930s Art Deco Vintage No Heat Sapphire

Materials

White Diamond, Sapphire, Diamond, Blue Sapphire, Platinum

Mid-Century GIA 6.91 Carat Ceylon No Heat Sapphire Diamond Platinum Ring
Located in Beverly Hills, CA
One Mid-Century GIA 6.91 Carat Ceylon No Heat Sapphire Diamond Platinum Ring. Featuring one GIA
Category

1950s Vintage No Heat Sapphire

Materials

Diamond, White Diamond, Sapphire, Blue Sapphire, Platinum

Vintage 14K Gold Certified 3.48 Burma No-Heat Sapphire Enamel Bangle Bracelet
Located in New York, NY
certified by AGL ( American Gemological Laboratories) as a No-Heat sapphire of BURMA ( Myanmar) Origin
Category

Mid-20th Century Unknown Victorian Vintage No Heat Sapphire

Materials

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

Ceylon No-Heat Sapphire and Diamond "Halo" Ring
Located in New York, NY
a sizeable, no-heat Ceylon sapphire. The elegance of the ring, and the brilliant blue hue of the
Category

20th Century Vintage No Heat Sapphire

Materials

White Diamond, Blue Sapphire, Diamond, Sapphire, Platinum

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 Vintage No Heat Sapphire

Materials

Diamond, Sapphire, 14k Gold

GIA Certified No-Heat Sapphire and Diamond Ring
Located in New York, NY
-style jewelry and would make a wonderful gift. Very Rich Color Sapphires accented with diamonds. 18k
Category

20th Century Vintage No Heat Sapphire

Materials

Diamond, Sapphire, 18k Gold, Yellow Gold

Vintage French GIA 4.42 Carat Ceylon No Heat Sapphire Diamond 18k Gold Ring
Located in Beverly Hills, CA
One Vintage French GIA 4.42 Carat Ceylon No Heat Sapphire Diamond 18k Yellow Gold Ring. Featuring
Category

1980s Vintage No Heat Sapphire

Materials

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

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

1970s Vintage No Heat Sapphire

Materials

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

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

1980s Vintage No Heat Sapphire

Materials

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

Art Deco French GIA 2.65 Carat Australian No Heat Sapphire Diamond 18k White Gol
Located in Beverly Hills, CA
One Art Deco French GIA 2.65 Carat Australian No Heat Sapphire Diamond 18k White Gold Platinum Ring
Category

1930s Art Deco Vintage No Heat Sapphire

Materials

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

GIA Certified 2.62ct No Heat Sapphire 0.57ct Diamond Engagement Ring
Located in New York, NY
cut no heat Sri Lankan sapphire that weighs 2.62ct. The sapphire is accentuated by sparkling round cut
Category

20th Century Vintage No Heat Sapphire

Materials

Sapphire, Platinum

Vintage Kashmir No Heat Sapphire Diamond Platinum Three Stone Ring
Located in Miami, FL
This Rare Antique Natural No heat Kashmir Sapphire Diamond Three Stone Engagement Ring boasts
Category

1960s Unknown Art Deco Vintage No Heat Sapphire

Materials

Diamond, Sapphire, Platinum

Vintage French Certified Burma Natural No-Heat Sapphire Diamond Ring
Located in Miami, FL
Shine brightly with this French-made vivid Vintage Burma natural sapphire Diamond 18K Gold pave
Category

1980s Retro Vintage No Heat Sapphire

Materials

Diamond, Sapphire

AGL Certified 2.40 ct. Burma No Heat Sapphire Cocktail Ring
Located in New York, NY
We love a deco sapphire moment, and this piece does not disappoint. Graded by AGL, a center
Category

Mid-20th Century Vintage No Heat Sapphire

Materials

Sapphire, Platinum

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

1950s Italian Vintage No Heat Sapphire

Materials

Diamond, Sapphire, Platinum, 18k Gold

1960s Sri Lanka GIA No Heat Sapphire 15.86cts Diamond Drop Earrings
Located in Miami, FL
Natural Sapphire  Secured with Latch Back Closure Total Sapphire Carat Weight approx: 11.11 carats total
Category

1960s American Retro Vintage No Heat Sapphire

Materials

Diamond, Sapphire, Platinum

Art Deco No Heat Sapphire & Diamond Ribbon Motif Ring in Platinum
Located in Boston, MA
An Art Deco period sapphire, and diamond ring in platinum. Centered by a No Heat 2.50 carat antique
Category

1930s Art Deco Vintage No Heat Sapphire

Materials

Diamond, Sapphire, Platinum

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

1950s Italian Vintage No Heat Sapphire

Materials

Sapphire, Diamond, 18k Gold

Antique Deep Royal Blue No Heat Sapphire Diamond Clipon Cocktail Earrings
Located in Miami, FL
Deep Royal Blue Sapphire & Diamond Large clip-on Cocktail earring,  Crafted in platinum, the
Category

1960s Retro Vintage No Heat Sapphire

Materials

Diamond, Sapphire, Platinum

Vintage 18K Two-Tone GIA Burma No-Heat Sapphire Diamond Clip Earrings
By Unbranded
Located in New York, NY
oval cut blue sapphire centers identified by The Gemological Institute of America as Burma No-Heat
Category

20th Century Unknown Retro Vintage No Heat Sapphire

Materials

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

Marcus & Co., 13.85ct Burma, No Heat, Sapphire Brooch, AGL and Gubelin Certified
Located in Scottsdale, AZ
Pear Shaped Sapphire - No Heat ACCENT/SIDE STONES: 80 Old European Cut Diamonds (approx. 4.50ctw
Category

20th Century Vintage No Heat Sapphire

Materials

Diamond, Sapphire, Platinum

Simon G AGL Cert 1.76ct Natural No Heat Sapphire Diamond Engagement Ring
Located in New York, NY
AGL certified natural no heat asscher cut sapphire that weighs 1.76ct. The sapphire is accentuated by
Category

20th Century Vintage No Heat Sapphire

Materials

Diamond, Sapphire, 18k Gold

Platinum Ring 1.5ct No Heat Sapphire, Diamonds GRS Certificate Estate Sultan Oma
Located in Antwerp, BE
Magnificent Ring With 1.5ct Deep Blue Sapphire, Marquise Diamonds with GRS Certificate from Estate
Category

20th Century European Artisan Vintage No Heat Sapphire

Materials

Diamond, Sapphire, Platinum

Gubelin Certified 7.86 Sri Lanka ‘Ceylon’ No Heat Sapphire Diamond Gold Ring
Located in Marcianise, Marcianise (CE)
mounted with an amazing Sri Lanka (Ceylon) No heat Blue Sapphire (7.86 ct) certify by Gubelin Gem Lab and
Category

1970s Retro Vintage No Heat Sapphire

Materials

White Diamond, 18k Gold, White Gold

Mid-Century 3.07 CTW No Heat Sapphire Diamond Platinum Three Stone Ring GIA
Located in Philadelphia, PA
Centering an octagonal step-cut sapphire weighing 2.33 carats - transparent dark blue Natural
Category

1950s Vintage No Heat Sapphire

Materials

Diamond, Sapphire, Blue Sapphire, Platinum

Mid Century 2.96 CTW No Heat Sapphire Diamond Platinum Three Stone Ring GIA
Located in Philadelphia, PA
Centering a round cut sapphire weighing 2.80 carats - transparent medium-dark blue Natural Thai in
Category

1950s Vintage No Heat Sapphire

Materials

Sapphire, Diamond, Platinum

Mid-Century 4.99 CTW No Heat Sapphire Diamond 14 Karat Gold Vintage Ring GIA
Located in Philadelphia, PA
Centering an oval step cut sapphire weighing approximately 3.79 carats total Natural with no
Category

1950s Vintage No Heat Sapphire

Materials

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

French 1970s 3 Carat No Heat Sapphire Diamonds 18 Karat White Gold Daisy Ring
Located in Poitiers, FR
oval "cornflower" blue sapphire, in a surrounding of modern brilliant- cut diamonds. The setting is
Category

1970s French Retro Vintage No Heat Sapphire

Materials

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

2.82 Carat No Heat Sri Lanka Sapphire GIA Certified Vintage Platinum Ring
Located in Houston, TX
These Ceylon no heat Sapphires are getting more and more rare by the day. Vivid blue color oval
Category

1970s Art Nouveau Vintage No Heat Sapphire

Materials

Sapphire, Blue Sapphire, Platinum

1980's GIA Natural No-Heat 13.90cts Sapphire Diamond Platinum Bangle Bracelet
Located in Miami, FL
NO Heat Sapphires on the bracelet,  are composed of (3) Unheated all-natural without any treatments
Category

1980s Retro Vintage No Heat Sapphire

Materials

Diamond, Sapphire, Platinum

Royal Blue No Heat Natural GIA Ceylon Sapphire 10.50cts Diamond Ring
Located in Miami, FL
Extra Clean Natural No Heat Sri Lanka GIA Oval Brilliant-cut Sapphire 10.50cttw Diamond Royal Ring
Category

1960s Retro Vintage No Heat Sapphire

Materials

Diamond, Sapphire, 18k Gold

25.00CT Ceylon Sapphire (No Heat) Diamond pin/pendant AGL certificate
Located in Chicago, IL
Ceylon Sapphire NO HEAT (please check AGL certificate picture for details. Sapphire measures 17.7x13.7mm
Category

1960s Unknown Modern Vintage No Heat Sapphire

Materials

Diamond, Sapphire, 18k Gold, Platinum

GIA Certified 8.38 Carat No Heat Ceylon Sapphire and Diamond Cocktail Ring
Located in Beverly Hills, CA
GIA certified No Heat Sri Lanka/ Ceylon Sapphire weighing 8.38 carats pear-shaped diamond ring
Category

Late 20th Century Sri Lankan Retro Vintage No Heat Sapphire

Materials

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

Retro 11.00 Ct Natural No Heat Yellow Sapphire Solitaire 18 Kt ring
Located in Napoli, IT
Carats natural no heat Sapphire of gorgeous spring canary yellow, very sparkly and lively stone, having
Category

1940s European Retro Vintage No Heat Sapphire

Materials

Yellow Sapphire, 18k Gold

6.36 Ct No Heat Certified Madagascar Sapphire Diamond Platinum Ring
Located in Napoli, IT
aside for .90 Ct TCW rated G VVS Comes with GCS London laboratory certification stating NO Heat Sapphire
Category

Mid-20th Century European Contemporary Vintage No Heat Sapphire

Materials

Diamond, Sapphire, Platinum

Bulgari Emerald-Cut Ceylon Sapphire and Diamond Ring
By Bulgari
Located in Chicago, IL
Bulgari Ceylon No Heat Sapphire and Diamond Ring in platinum and 18ct gold. Claw set with an
Category

20th Century French Art Deco Vintage No Heat Sapphire

Materials

Diamond, Sapphire, Yellow Gold, Platinum

Larter & Sons Natural Sapphire Gold Oval Cufflinks
By Larter & Sons
Located in Stamford, CT
Larter & Sons 1940-1950 oval machined cufflinks with certified natural no heat Sapphires. Extra
Category

1940s Vintage No Heat Sapphire

Materials

Blue Sapphire, 14k Gold, Yellow Gold

Shreve & Co., Sapphire Ring - GIA Certified
By Shreve & Co.
Located in Scottsdale, AZ
heat sapphire weighing approximately 3.47ct. Sapphire is accompanied by GIA Lab Report #5212584309
Category

20th Century Vintage No Heat Sapphire

Materials

Diamond, Sapphire, Platinum

Art Deco Style 2.30 Ct Ceylon No Heat Liliac Sapphire Diamond Platinum Ring
Located in Napoli, IT
cushion cut (7.68 x 7.03 mm.) , no heat totally untreated natural Sapphire having all intact internal
Category

1990s English Art Deco Vintage No Heat Sapphire

Materials

Diamond, Sapphire, Platinum

Van Cleef & Arpels Oval Sapphires and Baguette Diamond Bracelet Circa - 1938
By Van Cleef & Arpels
Located in New York, NY
Sapphires. 15 Oval No Heat Sapphires Consisting of, 6 - Kashmir, 8- Burma, 1 - Ceylon. Total Sapphire Weight
Category

1930s Vintage No Heat Sapphire

Materials

Diamond, Sapphire, Platinum

20th Century Sapphire Diamond Gold Platinum Earrings
Located in New York, NY
A stunning and bold pair of natural, no-heat sapphire briolette-cut drops suspended from a diamond
Category

Mid-20th Century American Victorian Vintage No Heat Sapphire

Materials

Blue Sapphire, White Diamond, Gold, Platinum

1.05ct Vivid Green Oval Cut Sapphire Untreated Rare IGI Certified Blister
By Gems and Jewels UK
Located in Birmingham, GB
Heat Sapphire In IGI Blister. 1.05 Carat with a fine vivid green colour, an excellent oval cut and
Category

20th Century Vintage No Heat Sapphire

Materials

Sapphire, Green Sapphire

Spark GIA Certified Pink Oval Sapphire Diamond Platinum Engagement Ring
By Spark Creations
Located in Stamford, CT
Oval pink natural GIA certified no heat Sapphire ring from Spark. Fine round and baguette Diamonds
Category

1990s Vintage No Heat Sapphire

Materials

Diamond, Sapphire, Pink Sapphire, Platinum

Royal Blue Cushion Sapphire Diamond Gold Platinum Engagement Ring
Located in Stamford, CT
Rich Royal deep blue natural no heat Sapphire engagement ring in original handmade Platinum ring
Category

Late 20th Century Vintage No Heat Sapphire

Materials

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

J.E. Caldwell GIA 1.63 Carat Sapphire Diamond Platinum Cluster Cocktail Ring
By J.E. Caldwell & Co.
Located in Stamford, CT
heat sapphire in a platinum setting with 17 round brilliant and 28 baguette cut diamonds. 1 cushion
Category

Mid-20th Century Vintage No Heat Sapphire

Materials

Diamond, Sapphire, Green Sapphire, Platinum

GIA Certified 1.54 Carat Natural Blue Green Sapphire Diamond Engagement Ring
Located in Stamford, CT
Natural bright clear blue green Sapphire and diamond engagement ring. GIA certified no heat no
Category

Mid-20th Century Vintage No Heat Sapphire

Materials

Diamond, White Diamond, Sapphire, Green Sapphire, Gold, 14k Gold, White ...

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Vintage No Heat Sapphire For Sale on 1stDibs

You are likely to find exactly the vintage no heat sapphire you’re looking for on 1stDibs, as there is a broad range for sale. Every item for sale was constructed with extraordinary care, often using Platinum, Gold and 18k Gold. In our selection of items, you can find a vintage example as well as a contemporary version. You’re likely to find the perfect vintage no heat sapphire among the distinctive items we have available, which includes versions made as long ago as the 20th Century as well as those produced as recently as the 21st Century. There have been many well-made iterations of the classic vintage no heat sapphire over the years, but those made by Antinori Fine Jewels, Mario Buccellati and Tiffany & Co. are often thought to be among the most beautiful. See these pages for an oval cut iteration of this accessory, while there are also cushion cut cut and cabochon cut versions available here, too. If you’re browsing our inventory for a vintage no heat sapphire, you’ll find that many are available today for women, but there are still pieces to choose from for unisex and men.

How Much is a Vintage No Heat Sapphire?

On average, a vintage no heat sapphire at 1stDibs sells for $13,980, while they’re typically $2,495 on the low end and $89,999 for the highest priced versions of this item.

Finding the Right rings for You

Antique and vintage rings have long held a special place in the hearts of fine jewelry lovers all over the world.

No matter their origin or specific characteristics, rings are timeless, versatile accessories. They’ve carried deep meaning since at least the Middle Ages, when diamond rings symbolized strength and other kinds of rings were worn to signify romantic feelings or to denote an affiliation with a religious order. Rings have also forever been emblematic of eternity.

Over time, rings have frequently taken the form of serpents, which have long been associated with eternal life, health and renewal. Italian luxury jewelry house Bulgari has become famous for its widely loved Serpenti motif, for example, and its Serpenti ring, like the other accessories in the collection, began as an homage to jewelry of the Roman and Hellenistic eras. The serpent is now a popular motif in fine jewelry. Jewelry devotees have long pined for rings adorned with reptiles, thanks to antique Victorian rings — well, specifically, Queen Victoria’s illustrious engagement ring, which took the form of a gold snake set with rubies, diamonds and an emerald (her birthstone). Designs for Victorian-era engagement rings often featured repoussé work and chasing, in which patterns are hammered into the metal.

Engagement rings, which are reliably intimidating to shop for, are still widely recognized as symbols of love and commitment. 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

The most collectible antique engagement rings and vintage engagement rings are those from the Victorian, Edwardian and Art Deco eras. Named for the monarchies of the four King Georges, who in succession ruled England starting in 1714 (plus King William’s reign), antique Georgian rings, be they engagement rings or otherwise, are also coveted by collectors. Pearls, along with colored gemstones like garnets, rubies and sapphires, were widely used in Georgian jewelry. The late-1700s paste jewelry was a predecessor to what we now call fashion or costume jewelry

The Art Nouveau movement (1880–1910) brought with it rings inspired by the natural world. Antique Art Nouveau rings might feature depictions of winged insects and fauna as well as women, who were simultaneously eroticized and romanticized, frequently with long flowing hair. Art Deco jewelry, on the other hand, which originated during the 1920s and ’30s, is by and large “white jewelry.” White metals, primarily platinum, were favored over yellow gold in the design of antique Art Deco rings and other accessories as well as geometric motifs, with women drawn to the era’s dazzling cocktail rings in particular.

Whether you’re hunting down a chunky classic for a Prohibition-themed cocktail party or seeking a clean contemporary design to complement your casual ensemble, find an exquisite collection of antique, new and vintage rings on 1stDibs.

Questions About Vintage No Heat 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.