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2.18ct Pear Greenish- Yellow Sapphire, No Heat
Located in เกาะสมุย, TH
sapphire. Weight= 2.18 carats treatment: no indication of heat treatment Gem lab certificate available
Category

21st Century and Contemporary Asian Loose Gemstones

Materials

Yellow Sapphire

2.18ct Pear Greenish- Yellow Sapphire, No Heat
2.18ct Pear Greenish- Yellow Sapphire, No Heat
No Reserve
H 0.44 in W 0.24 in D 0.14 in
No Heat Burma Ruby Diamond Platinum Engagement Ring
Located in New York, NY
indications of heat or enhancement.
Category

20th Century American Art Deco Engagement Rings

Materials

Diamond, Ruby, White Diamond, Platinum

Vintage 2.79 Carats No-Heat Burmese Ruby and Diamond Halo Engagement Ring
Located in New York, NY
by AGL as Burmese Origin with no indications of heat treatment. Set in an intricately-designed halo
Category

Mid-20th Century American Contemporary Engagement Rings

Materials

Diamond, Ruby, 18k Gold, White Gold

Vintage Show Stopper 2.51 Carat No Heat Ceylon Sapphire Diamond Platinum Ring
Located in Montreal, QC
a securely nestled 2.51 Carat oval Blue Sapphire with no indications of heat treatment, surrounded
Category

20th Century Art Deco Cocktail Rings

Materials

Diamond, Sapphire, Platinum

18ct Yellow Gold 'No Heat' Gold Ruby and Diamond Ring
Located in Sydney, NSW
, complemented by a polished finish design. Ruby Weight : 1.15ct Ruby Colour : "Dark" Ruby Grade: No Indication
Category

2010s Australian Contemporary More Rings

Materials

Diamond, Ruby, Yellow Gold, 18k Gold

GIA Certified No Heat Burma Ruby Ring with Diamonds
Located in Miami, FL
accompanied by GIA report #2193963124, stating the ruby is 1.42 carats, Burma origin, with no indication of
Category

Antique 1890s Unknown Victorian Cocktail Rings

Materials

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

18ct Yellow Gold Ring with 'No Heat' 0.95ct Ruby and Diamond
Located in Sydney, NSW
Colour/Grade: No indication of heat treatment, "dark" Dimensions: 7.57mm(L) x 4.31mm (W) x 2.33 (D
Category

2010s Australian Contemporary More Rings

Materials

Diamond, Ruby, 18k Gold, Yellow Gold

Roman Malakov 5.00 Carat No Heat Blue Sapphire and Diamond Halo Engagement Ring
By Roman Malakov
Located in New York, NY
as natural with no indications of heat treatment. Surrounding the sapphire is a row of 12 round
Category

21st Century and Contemporary American Contemporary Engagement Rings

Materials

Diamond, Blue Sapphire, Platinum

Art Deco no heat sapphire ring.
Located in Malmö, SE
small diamonds, old and single cut. The sapphire shows no indications of heat treatment and displays a
Category

Vintage 1920s European Art Deco Cocktail Rings

Materials

Diamond, Sapphire, Platinum

Art Deco 4.43 CTW No Heat Ceylon Sapphire Platinum Foliate Vintage Ring GIA
Located in Philadelphia, PA
in origin with no indications of heat treatment Set with tab-like prongs in an ornately decorated
Category

Vintage 1930s Art Deco Engagement Rings

Materials

Sapphire, Blue Sapphire, Platinum

Contemporary 4.75 CTW No Heat Lavender Ceylon Sapphire Diamond Platinum Ring GIA
Located in Philadelphia, PA
Sri Lankan in origin with no indications of heat treatment Prong set in basket and flanked by
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, Sapphire, Blue Sapphire, Platinum

18ct Yellow Gold Ring with 'No Heat' 1.43ct Ruby and Diamond
Located in Sydney, NSW
, slightly purplish red" Ruby: No indication of heat treatment Ruby Dimensions: 8.24mm(L) x 5.7mm(W) x 3.39mm
Category

2010s Australian Contemporary More Rings

Materials

Ruby, Diamond, Yellow Gold

GIA Certified No-Heat Blue Sapphire and Diamond Halo Engagement Ring
By Roman Malakov
Located in New York, NY
indications of heat treatment. Surrounded by round brilliant diamonds set in a handcrafted, floral motif
Category

21st Century and Contemporary American Contemporary Engagement Rings

Materials

Diamond, Blue Sapphire, Platinum

Roman Malakov No Heat Blue Sapphire and Diamond Halo Engagement Ring
By Roman Malakov
Located in New York, NY
indications of heat treatment. Surrounding the sapphire is a row of round brilliant diamonds, in a diamond
Category

21st Century and Contemporary American Contemporary Engagement Rings

Materials

Sapphire, Blue Sapphire, Platinum

3.01 No Heat Ruby 1.22cttw E/SI1 Diamond Three-Stone Ring
Located in Carmel-by-the-Sea, CA
certificate describes the ruby as exhibiting no indications of heat treatment and being of Mozambique origin
Category

21st Century and Contemporary Three-Stone Rings

Materials

Diamond, Ruby, Platinum

Vintage 2.83 Carats No Heat Pink Sapphire Diamond Platinum Gemstone Ring GIA
Located in Philadelphia, PA
indications of heat. Half bezel set in a stylized basket and flanked by bar set tapered baguette cut diamonds
Category

Vintage 1970s Contemporary Cocktail Rings

Materials

Diamond, White Diamond, Sapphire, Pink Sapphire, Platinum

8.26 CTW No Heat Ceylon Sapphire 18K Gold Lion Crown Unisex Intaglio Ring
Located in Philadelphia, PA
Sri Lankan in origin with no indications of heat treatment Carved with an intaglio of a heraldic lion
Category

Mid-20th Century Retro Signet Rings

Materials

Sapphire, 18k Gold

GIA 3.52 Carat Australian No Heat Sapphire Diamond Platinum Ring
Located in Beverly Hills, CA
Australian origin with no indications of heat treatment. Accented by two baguette cut diamonds with a total
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, White Diamond, Pink Diamond, Sapphire, Blue Sapphire, Platinum

Mid-Century 4.99 CTW No Heat Sapphire Diamond 14 Karat Gold Vintage Ring GIA
Located in Philadelphia, PA
indications of heat treatment - transparent light blue Prong set with a halo surround of round brilliant cut
Category

Vintage 1950s Cluster Rings

Materials

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

No Heat Ceylon 7.69 Carats Sapphire Diamond Platinum Halo Cabochon Ring AGL
Located in Philadelphia, PA
translucent with natural inclusions with no indications of heat - Sri Lankan origin Surrounded by a round
Category

21st Century and Contemporary Contemporary Cluster Rings

Materials

Diamond, White Diamond, Sapphire, Blue Sapphire, Platinum

Roman Malakov GIA Certified No Heat Blue Sapphire & Diamond Halo Engagement Ring
By Roman Malakov
Located in New York, NY
sapphire that GIA certified as BLUE in color with no indications of heat treatment. The center stone is
Category

21st Century and Contemporary American Contemporary Engagement Rings

Materials

Diamond, Sapphire, Blue Sapphire, Platinum

Contemporary 1.62 CTW No Heat Burmese Ruby Diamond Platinum Ring
Located in Philadelphia, PA
color Natural Burmese in origin with no indications of heat treatment - prong set in basket Flanked by
Category

21st Century and Contemporary Contemporary Three-Stone Rings

Materials

Diamond, Ruby, Platinum

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

Vintage 1.73 Carat Oval NO HEAT GIA Sapphire and Diamond Gold Ring
Located in Montreal, QC
. Ring size: 5.5. GIA report #1226817278 shows no indications of heat treatment. The ring epitomizes
Category

21st Century and Contemporary Modern Cocktail Rings

Materials

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

Art Deco 4.11 CTW No Heat Ceylon Sapphire Diamond 14 Karat Gold Halo Ring GIA
Located in Philadelphia, PA
Sri Lankan in origin with no indications of heat treatment - bezel set Featuring a halo surround of
Category

Vintage 1930s Art Deco Engagement Rings

Materials

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

Retro 3.39 Carats No Heat Burma Ruby Diamond Platinum Unisex Gypsy Band Ring AGL
Located in Philadelphia, PA
red color and no indications of heat Flanked by two flush set transitional cut diamonds Weighing in
Category

Vintage 1940s Retro Three-Stone Rings

Materials

Diamond, White Diamond, Ruby, Platinum

Art Deco No-Heat Burmese Ruby Diamond Platinum Ring, GIA Certified
Located in Beverly Hills, CA
carats. It is certified by the GIA as a Burmese stone with no indications of heat-treatment, a rare and
Category

Antique 1620s American Art Deco Engagement Rings

Materials

Diamond, Ruby, Platinum

Vintage 20.24 CTW Imperial Topaz No Heat Ceylon Sapphire 18K White Gold Ring
Located in Philadelphia, PA
approximately 2.60 carats total Natural Ceylon in origin with no indications of heat treatment Transparent
Category

Vintage 1950s Engagement Rings

Materials

Sapphire, Topaz, Gold, 18k Gold, White Gold

Art Deco 3.00 CTW No Heat Ceylon Sapphire Diamond Platinum Bombé Ring GIA
Located in Philadelphia, PA
color Natural Sri Lankan in origin with no indications of heat treatment - bezel set With a pierced
Category

Vintage 1930s Dome Rings

Materials

Blue Sapphire, Platinum

Art Deco 9.87 CTW No Heat Ceylon Sapphire Diamond Platinum Vintage Halo Ring
Located in Philadelphia, PA
origin with no indications of heat treatment - transparent medium blue Bezel set with a halo surround of
Category

Vintage 1930s Art Deco Engagement Rings

Materials

Diamond, Blue Sapphire, Platinum

Art Nouveau No Heat Ceylon Purple Sapphire Diamond 14 Karat Gold Antique Ring
Located in Philadelphia, PA
color Natural Ceylon in origin with no indications of heat treatment - prong set With a pierced
Category

Antique Early 1900s Art Nouveau Engagement Rings

Materials

Diamond, Purple Sapphire, Gold, 14k Gold, Yellow Gold

Art Deco 6.32 CTW No Heat Burma Sapphire Diamond Platinum Halo Ring AGL
Located in Philadelphia, PA
Natural Burmese in origin with no indications of heat treatment - bezel set With a halo surround of old
Category

Vintage 1930s Art Deco Engagement Rings

Materials

Diamond, Sapphire, Platinum

Mid Century 2.96 CTW No Heat Sapphire Diamond Platinum Three Stone Ring GIA
Located in Philadelphia, PA
origin with no indications of heat treatment Set with split prongs in a pierced foliate motif basket
Category

Vintage 1950s Engagement Rings

Materials

Sapphire, Diamond, Platinum

Mid-Century 3.07 CTW No Heat Sapphire Diamond Platinum Three Stone Ring GIA
Located in Philadelphia, PA
Cambodian in origin with no indications of heat treatment Flush set and flanked by pentagonal step-cut
Category

Vintage 1950s Engagement Rings

Materials

Diamond, Sapphire, Blue Sapphire, Platinum

Mid-Century 3.97 CTW No Heat Burma Sapphire Diamond Platinum Cluster Ring AGL
Located in Philadelphia, PA
Burmese in origin with no indications of heat treatment - prong set With a halo surround of round
Category

Vintage 1950s Cluster Rings

Materials

Diamond, Blue Sapphire, Sapphire, Platinum

Roman Malakov 1.69 Carats No-Heat Burmese Ruby with Diamond Halo Engagement Ring
By Roman Malakov
Located in New York, NY
certified by AGL as Burmese Origin with no indications of heat treatment. Set in a handcrafted, intricately
Category

21st Century and Contemporary American Contemporary Engagement Rings

Materials

Diamond, Ruby, Platinum

Victorian 2.58 CTW No Heat Kashmir Sapphire Diamond 14 Karat Gold Halo Ring AGL
Located in Philadelphia, PA
Kashmir in origin and displaying no indications of heat treatment Set by talon prongs with a halo surround
Category

Antique 1870s Victorian Cluster Rings

Materials

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

Vintage 3.86 CTW No Heat Ceylon Sapphire Diamond Platinum 18 Karat Gold Ring GIA
Located in Philadelphia, PA
origin with no indications of heat treatment Prong set in platinum and flanked by round brilliant cut
Category

Vintage 1980s Cocktail Rings

Materials

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

Edwardian Sugarloaf No Heat Sapphire Diamond Platinum 14K Gold Halo Ring GIA
Located in Philadelphia, PA
Cambodian in origin with no indications of heat treatment - transparent dark blue Set with talon prongs in
Category

Vintage 1910s Edwardian Engagement Rings

Materials

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

Mid-Century 6.60 CTW No Heat Ceylon Sapphire 18 Karat Gold Vintage Ring GIA
Located in Philadelphia, PA
Ceylon in origin with no indications of heat treatment Prong set in basket and flanked by single cut
Category

Vintage 1950s Engagement Rings

Materials

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

Contemporary 5.11 CTW Pear Cut Mozambique No Heat Ruby Diamond Ring AGL
Located in Philadelphia, PA
Mozambique in origin with no indications of heat treatment Prong set with a halo surround of round brilliant
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, Ruby, Platinum

1980's 2.80 CTW No Heat Ruby Diamond 18 Karat Yellow Gold Three Stone Ring GIA
Located in Philadelphia, PA
origin with no indications of heat treatment Prong set in a basket and flanked by trilliant cut diamonds
Category

Vintage 1980s Three-Stone Rings

Materials

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

1980's 5.55 CTW No Heat Ceylon Sapphire Diamond 18 Karat Gold Vintage Ring GIA
Located in Philadelphia, PA
Natural Sri Lanka in origin with no indications of heat treatment - prong set Flanked by rows of
Category

Vintage 1980s Contemporary Band Rings

Materials

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

Belle Epoque No Heat Ceylon Sapphire Diamond Platinum 18 Karat Gold Antique Ring
Located in Philadelphia, PA
Lankan in origin with no indications of heat treatment - transparent medium blue Set in a platinum bezel
Category

Vintage 1910s Belle Époque Engagement Rings

Materials

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

Art Deco 15.41 CTW No Heat Ceylon Sapphire Diamond Platinum Wheat Ring GIA
Located in Philadelphia, PA
Natural Sri Lankan in origin with no indications of heat treatment Prong set in an ornately engraved
Category

Vintage 1930s Art Deco Engagement Rings

Materials

Diamond, Sapphire, Blue Sapphire, Platinum

Vintage 5.63 CTW No Heat Ceylon Sapphire Demantoid Garnet 18 Karat Gold Ring
Located in Philadelphia, PA
Lankan in origin with no indications of heat treatment Set with talon prongs and featuring a halo
Category

20th Century Cluster Rings

Materials

Garnet, Sapphire, Blue Sapphire, Gold, 18k Gold, Yellow Gold

Van Cleef & Arpels French No Heat Ceylon Sapphire Diamond 18 Karat Ring AGL
By Van Cleef & Arpels
Located in Philadelphia, PA
Lankan in origin with no indications of heat treatment Set with talon prongs with a domed gold surround
Category

Vintage 1980s Engagement Rings

Materials

Diamond, Sapphire, Blue Sapphire, Gold

Victorian 5.77 CTW No Heat Burma Sapphire Diamond 14 Karat Antique Ring AGL
Located in Philadelphia, PA
Burmese in origin with no indications of heat treatments - well-matched medium blue Alternating with
Category

Antique Early 1900s Victorian Band Rings

Materials

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

Edwardian 5.79 CTW No Heat Ceylon Sapphire Diamond Platinum 14 Karat Halo Ring
Located in Philadelphia, PA
Natural Sri Lankan in origin with no indications of heat treatment Set with platinum talon prongs with a
Category

Vintage 1910s Edwardian Cluster Rings

Materials

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

Midcentury 7.03 Carats No Heat Ceylon Sapphire Diamond 14 Karat White Gold Ring
Located in Philadelphia, PA
. Natural Ceylon in origin with no indications of heat treatment - prong set. With a halo surround of round
Category

Vintage 1950s Retro Cocktail Rings

Materials

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

Mid-Century 2.08 CTW No Heat Burma Ruby Diamond Platinum Vintage Ring GCS
Located in Philadelphia, PA
in origin with no indications of heat treatment Prong set in basket and flanked by stepped shoulders
Category

Vintage 1950s Engagement Rings

Materials

White Diamond, Ruby, Platinum

Ruby No Heat GIA and Diamond Platinum Ring Estate Fine Jewelry
Located in Montreal, QC
Ruby weighing approx. 1.08 Carat. GIA lab report #2195974816, stating Burma origin and NO indications
Category

21st Century and Contemporary Modern Cocktail Rings

Materials

Diamond, Ruby, Platinum

GIA Certified No Heat 1.86 Carat Yellow Sapphire Diamond Yellow Gold Ring
By DGI
Located in Los Angeles, CA
Yellow Sapphire has No Indications of Heat Treatment.
Category

2010s American Contemporary Engagement Rings

Materials

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

Victorian 2.18 CTW No Heat Burma Sapphire Diamond 18 Karat Rose Gold Halo Ring
Located in Philadelphia, PA
Natural Burmese in origin and displaying no indications of heat treatment Prong set with a halo surround
Category

Antique 1860s Victorian Engagement Rings

Materials

Diamond, Sapphire, Gold, 18k Gold, Rose Gold

Mid-Century 6.12 CTW No Heat Burma Sapphire Diamond Platinum Five Stone Ring GIA
Located in Philadelphia, PA
Natural Burmese in origin with no indications of heat treatment - prong set in basket Flanked by marquise
Category

Vintage 1950s Cocktail Rings

Materials

Diamond, Platinum

Art Deco 1.86 CTW No Heat Burma Sapphire Diamond Platinum 14 Karat Gold Ring
Located in Philadelphia, PA
Burmese in origin and displaying no indications of heat treatment Bezel set in platinum-topped head with
Category

Vintage 1930s Art Deco Engagement Rings

Materials

Diamond, Blue Sapphire, Gold, Yellow Gold, Platinum

Vintage French GIA 4.42 Carat Ceylon No Heat Sapphire Diamond 18k Gold Ring
Located in Beverly Hills, CA
of Ceylon (Sri Lanka) origin and has no indications of heat treatment. Accented by two pear cut
Category

Vintage 1980s Engagement Rings

Materials

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

Victorian 1.78 CTW No Heat Ceylon Purple Sapphire 18 Karat Yellow Gold Halo Ring
Located in Philadelphia, PA
Sri Lankan in origin with no indications of heat treatment Prong set with a recessed halo surround of
Category

Antique 1870s Victorian Engagement Rings

Materials

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

AGL Edwardian 2.56 Carats No Heat Burma Sapphire Diamond Platinum Dinner Ring
Located in Philadelphia, PA
. Natural Burmese in origin with no indications of heat treatment - bezel set. Featuring a pierced foliate
Category

Vintage 1910s Edwardian Cocktail Rings

Materials

Diamond, White Diamond, Sapphire, Blue Sapphire, Platinum

Vintage GIA Thai No Heat Ruby Diamond 18k Gold Earrings
Located in Beverly Hills, CA
the rubies are of Thai origin with no indication of heat treatment. Accented by 102 round brilliant
Category

21st Century and Contemporary Drop Earrings

Materials

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

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No Indications Of Heat For Sale on 1stDibs

Surely you’ll find the exact no indications of 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 gold, platinum and 18k gold — can elevate any look. You can easily find a 531 antique edition and 190 modern creations to choose from as well. You’re likely to find the perfect no indications of heat among the distinctive items we have available, which includes versions made as long ago as the 19th Century as well as those produced as recently as the 21st Century. Finding an appealing no indications of heat — no matter the origin — is easy, but Roman Malakov, DGI and Gem and Honey each produced a popular version that is worth a look. A no indications of heat can be a stylish choice for most occasions, but diamond rings, from our inventory of 448, can add a particularly distinctive touch to your look, day or night. Today, if you’re looking for an oval cut version of this piece and are unable to find the perfect match, our selection also includes cushion cut and round cut alternatives. There aren’t many items for men if you’re seeking a no indications of heat, as most of the options available are for women and unisex.

How Much is a No Indications Of Heat?

Prices for a no indications of heat can differ depending upon size, time period and other attributes — at 1stDibs, these accessories begin at $553 and can go as high as $775,000, while this accessory, on average, fetches $13,958.

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 No Indications Of 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 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.
  • 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.