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Verdura AGL Certified Burmese " No Heat" Ruby
By Verdura
Located in Palm Beach, FL
Here is your chance to buy a One-Of -A-Kind Verdura AGL Certified Burmese "No Heat" Ruby
Category

20th Century Modern Engagement Rings

Materials

Ruby

AGL Certified 1.30 Carat No Heat Burmese Ruby Ring
Located in New York, NY
18K YELLOW GOLD 6 DIAMONDS 0. 11 CARATS 1 NO-HEAT BURMESE RUBY 1.30 CARATS AGL LAB CERTIFIED
Category

2010s Burmese Contemporary Cocktail Rings

Materials

Diamond, Ruby, 18k Gold

AGL Certified 1.54 ct No Heat Burmese Ruby Mens Ring
Located in New York, NY
18K YELLOW GOLD 18 DIAMONDS | 0. 69 CARATS 1 BURMA NO HEAT RUBY | 1.54 CARATS AGL CERTIFIED
Category

2010s Wedding Rings

Materials

Ruby

AGL Certified Natural No Heat Burmese Ruby Diamonds Ring
Located in Austin, TX
An AGL certified Burmese natural, non heated oval mixed cut 2.64 carats ruby surrounded by 2,25
Category

Vintage 1960s Unknown Modern Cocktail Rings

Materials

Diamond, Ruby, 10k Gold

Unheated Ruby Ring 2.09 Carats AGL Certified No Heat
By Merkaba
Located in Beverly Hills, CA
Superb natural Ruby ring featuring a 2.09 carat unheated Ruby oval, and a pair of GIA certified
Category

21st Century and Contemporary American Modern Cocktail Rings

Materials

Multi-gemstone, Ruby, White Diamond, Diamond, Platinum

No-Heat Burmese Ruby Diamond Platinum Drop Earrings, AGL Certified
Located in Beverly Hills, CA
A sublime pair of vintage earrings featuring 2 rare unheated Burmese rubies. They are shaped as
Category

21st Century and Contemporary American Drop Earrings

Materials

Diamond, Ruby, Platinum

Burma Ruby 3.7 Carats AGL Graded No Heat and Diamond Ring
Located in Bay Harbor Islands, FL
This ruby and diamond ring features a 3.70 carats no heat Burmese oval ruby, surrounded by round
Category

20th Century Unknown Cocktail Rings

Materials

Diamond, Ruby, 18k Gold

AGL Certified 0.83ct and 0.76ct No Heat Ruby and Diamond Studs
Located in San Mateo, CA
Round Mixed Cut No Heat Ruby and Diamond Studs containing 1.59ct rubies and 0.22ct F/VS diamonds
Category

21st Century and Contemporary South Asian Contemporary Stud Earrings

Materials

Diamond, Ruby, 18k Gold

AGL Certified 0.83ct and 0.76ct No Heat Ruby and Diamond Studs
AGL Certified 0.83ct and 0.76ct No Heat Ruby and Diamond Studs
Free Shipping
H 0.21 in W 0.21 in L 0.14 in
Burma Ruby AGL Graded No Heat 3.7 Carats Platinum and Diamond Ring
By Regent Jewelers
Located in Bay Harbor Islands, FL
3.7 Carat Burma No Heat AGL Graded Ruby set in Platinum mounting with 166 round brilliant cut
Category

21st Century and Contemporary American Modern Bridal Rings

Materials

Diamond, Ruby, Platinum

Vintage AGL Certified 6.95 Carat No Heat Burma Ruby & Diamond Cocktail Ring
Located in Miami, FL
Vintage No Heat Burma Ruby & Diamond Cocktail Ring. This vintage ring features a natural, no-heat
Category

20th Century Burmese Contemporary Cocktail Rings

Materials

Diamond, Ruby, Platinum

Unheated Ruby Ring Gem 2.09 Carat AGL Certified No Heat Loose Gemstone
By Merkaba
Located in Beverly Hills, CA
Exceedingly fine 2.09 carat natural, no heat Ruby oval gem, offered loose to a sophisticated
Category

21st Century and Contemporary Mozambican Contemporary Engagement Rings

Materials

Ruby

AGL Certified 1920 Antique Burma No Heat Oval Ruby and Diamond Ring
Located in New York, NY
AGL certified 1920 Antique Burma No heat Oval Ruby And Diamond Ring In 18K Yellow Gold. The
Category

Vintage 1920s American Engagement Rings

Materials

Diamond, Ruby, 18k Gold

Platinum AGL 5.00ctw Cabochon No Heat Burma Ruby & Diamond Flower Clip Earrings
Located in Montclair, NJ
upon arrival. This pair comes with the original AGL certification which guarantees that the ruby stones
Category

Late 20th Century Unknown Clip-on Earrings

Materials

Diamond, Ruby, Platinum

Contemporary 5.11 CTW Pear Cut Mozambique No Heat Ruby Diamond Ring AGL
Located in Philadelphia, PA
Centering a pear cut ruby weighing 3.34 carats - transparent pinkish red in color Natural
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, Ruby, Platinum

Art Deco AGL Certified 3.63 Carat Natural No Heat Burmese Ruby Engagement Ring
Located in New York, NY
lovely oval cut AGL certified natural no heat Burmese ruby that weighs 3.63ct. The ruby is accentuated by
Category

20th Century Art Deco Engagement Rings

Materials

Ruby, Platinum

AGL Certified 2.19 Carat No Heat Burma Ruby & Trapezoid Diamond 3 Stone Ring
Located in Miami, FL
AGL Certified 2.19 carat no heat Burma ruby ring. Adorned with 2 trapezoid cut diamonds totaling
Category

21st Century and Contemporary Burmese Contemporary Three-Stone Rings

Materials

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

AGL Certified 1.76 Carat Pigeon's Blood Red No Heat CLASSIC Burma Ruby Ring
By Gad & Co.
Located in Miami, FL
AGL Certified 1.76 Carat Cushion Cut Pigeon's Blood Red No Heat Burma Ruby & Diamond Ring in 18k
Category

20th Century Burmese Art Deco Three-Stone Rings

Materials

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

AGL Certified 8 Carat No Heat Kashmir Sapphire, Burma Ruby, & Diamond Stack Ring
Located in Miami, FL
x 5.65mm  AGL Certificate #: 1096654 Center Stone Details (2): ✔ Gemstone: Ruby ✔ Carat: 2.32 ✔
Category

21st Century and Contemporary Indian Art Nouveau Cocktail Rings

Materials

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

5.46 Carat Burma Ruby No Heat AGL Certified and Fancy Yellow Diamond Ring
By Gad & Co.
Located in Miami, FL
(Myanmar) Treatment: No Heat Certification: AGL Certified (Certificate #1094819) Side Stone Details
Category

21st Century and Contemporary Cocktail Rings

Materials

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

AGL Certified Natural No Heat Ruby and White Diamond Engagement Ring in Platinum
By MOGULDIAM INC
Located in New York, NY
Special and elegant ruby and diamond ring hand crafted in Platinum and designed and created by
Category

2010s American Contemporary Three-Stone Rings

Materials

White Diamond, Ruby, Platinum

Retro 3.39 Carats No Heat Burma Ruby Diamond Platinum Unisex Gypsy Band Ring AGL
Located in Philadelphia, PA
Gypsy style ring centers a flush set oval cut Burma ruby Weighing 1.89 carats with bright purplish
Category

Vintage 1940s Retro Three-Stone Rings

Materials

Diamond, White Diamond, Ruby, Platinum

Victorian 2.70 CTW No Heat Burma Ruby Diamond 18 Karat Yellow Gold Ring AGL
Located in Philadelphia, PA
Centering a mixed cushion cut ruby weighing 1.34 carats - transparent medium to deep red Natural
Category

Antique 1890s Victorian Engagement Rings

Materials

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

AGL Certified 3.8 Carat Oval No Heat Burma Ruby Ring & Diamond Halo in Platinum
By Gad & Co.
Located in Miami, FL
AGL Certified 3.80 carat Purplish Red oval cut no heat Burma Ruby. This ruby is radiating a rich
Category

2010s Burmese Modern Cocktail Rings

Materials

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

No-Heat Burma Ruby 3.15 Carat Ring AGL certified with Kite Shape Diamond Sides
Located in Lakewood, NJ
A 3.15 carat no-heat Cushion Burmese ruby as stated in the accompanying GIA Ruby Origin Report, set
Category

21st Century and Contemporary American Engagement Rings

Materials

Diamond, Ruby, 18k Gold, Platinum

AGL Certified 3.56 Carat Burma Ruby No Heat and Diamond Ring in 18 Karat Gold
Located in Bangkok, TH
A brand new AGL (Thai) certified 3.56 burma ruby no heat purplish red and diamond ring in 18 karat
Category

2010s Solitaire Rings

Materials

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

AGL Certified 9.73 Carat Burma Ruby No Heat and Diamond Ring in 18 Karat Gold
Located in Bangkok, TH
A brand new AGL (Thai) certified 9.73 burma ruby no heat purplish red and diamond ring in 18 karat
Category

2010s Solitaire Rings

Materials

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

AGL Certified 5.52 Carat No Heat Oval Cut Burma Ruby and Round Diamond Ring
Located in Miami, FL
Centering a 5.52 Carat Unheated Burma Ruby (per AGL– American Gem Laboratory), framed by Round
Category

Early 20th Century Burmese Art Deco Cocktail Rings

Materials

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

Art Deco Diamond No Heat Burma Ruby Platinum Toi-Et-Moi Antique Ring GIA AGL
Located in Philadelphia, PA
Featuring a pear cut ruby and diamond prong set north to south as toi-et-moi style navette Ruby
Category

Vintage 1920s Art Deco Cocktail Rings

Materials

Diamond, Ruby, Platinum

AGL Certified Natural No Heat Yellow Sapphire Ring, Oscar Heyman, 1960s
By Oscar Heyman
Located in West Palm Beach, FL
Outstanding 1960’s Natural no heat yellow sapphire ring from Oscar Heyman. The approximately 33
Category

Vintage 1960s American Band Rings

Materials

Sapphire, Diamond, Emerald, Ruby, 18k Gold, Yellow Gold

Burmese No Heat Star Ruby and Diamond Brooch
Located in New York, NY
An impressive brooch, set with with five burmese, no heat, star ruby cabochons and seventy round
Category

20th Century American Brooches

Materials

Diamond, Ruby, Platinum

Boucheron Burma No-Heat Ruby and Diamond Earrings
By Boucheron
Located in New York, NY
A magnificent and rare pair of four pigeon blood red natural burmese no heat cushion shaped rubies
Category

20th Century French Dangle Earrings

Materials

Diamond, Ruby, 18k Gold, Yellow Gold

No Heat Burma Ruby Diamond Platinum Engagement Ring
Located in New York, NY
A beautiful and vivid red natural cushion shaped ruby set with two trapezoid diamonds, two
Category

20th Century American Art Deco Engagement Rings

Materials

Diamond, Ruby, White Diamond, Platinum

Edwardian Burma No Heat Ruby and Diamond Necklace
Located in Carmel-by-the-Sea, CA
of unheated Burmese rubies and antique cut white diamonds. The rubies weigh 2.00 carats in total
Category

Vintage 1910s Edwardian Drop Necklaces

Materials

Diamond, Pearl, Ruby, 18k Gold, Yellow Gold, Platinum

Emilio Jewelry Certified 8.80 Carat Burma No Heat Ruby
By Emilio!
Located in New York, NY
, PT950" "Certificates: GRS 2022-037583, GUB 22022077, AGL 1121498 Burmese rubies have long been
Category

21st Century and Contemporary Three-Stone Rings

Materials

Ruby, 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

Bulgari Natural No Heat Burma Ruby, Sapphire and Diamond Ring
By Bulgari
Located in New York, NY
The Bvlgari ring features an oval-shaped burma ruby no heat measuring 9.85 x 7.00 x 4.28 mm and
Category

20th Century American Engagement Rings

Materials

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

Early 20th Century Edwardian Ruby and Diamond Cluster Ring, No Heat
Located in New York, NY
platinum and 18k gold. French import. Atw ruby 1.40 cts., atw diamonds 1.75 cts. AGL report stating no
Category

Vintage 1910s Edwardian Cluster Rings

Materials

Diamond, Ruby, 18k Gold, Platinum

The Best Antique Victorian No Heat 1.86 Carat Burmese Ruby Ring
Located in Santa Barbara, CA
A stunning 1.86 carat Burmese ruby is the focal point of this superb Victorian era ring. The
Category

Antique Mid-19th Century Victorian Engagement Rings

Materials

Ruby, 14k Gold, Yellow Gold

25.16ct Burma Ruby Diamond Platinum Ring SZ 6.25 AGL Certificate
Located in New York, NY
Large cushion cut ruby of Burmese origin with heat enhancement weighing 25.16ct certified by AGL
Category

Late 20th Century Cocktail Rings

Materials

Ruby, Platinum

12 Carat Certified Natural Burma No Heat Ruby Diamond Platinum Three-Stone Ring
Located in New York, NY
A beautiful no heat, natural oval shape ruby cabochon weighing over twelve carats, accented with
Category

21st Century and Contemporary American Modern Cocktail Rings

Materials

Diamond, Ruby, 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

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

21st Century and Contemporary American More Rings

Materials

Ruby, Platinum

AGL Certified Natural Unheated Ruby Diamond Platinum Ring
Located in Austin, TX
stating that the ruby is natural, with no indication of heat enhancement treatment, and of Thai origin.
Category

Vintage 1980s Unknown Modern Cocktail Rings

Materials

Diamond, Ruby, Platinum

AGL Certified Burmese Myanmar unheated ruby ring UNHEATED
By Antinori Fine Jewels
Located in Rome, IT
according to the AGL report. Diamonds: There are two shield-cut diamonds flanking the ruby, with a total
Category

2010s Italian Cocktail Rings

Materials

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

AGL Certified 1.41 Cts Platinum, Ruby and Diamond Ring
Located in New York, US
by AGL report no 1086233, dated 10 August 2017, stating that the 1.41 carat ruby is red color, of
Category

2010s Cocktail Rings

Materials

Diamond, Ruby, Platinum

AGL Certified Vintage 4.73 ct. Burma Ruby Cluster Ring
Located in New York, NY
Barbie girl in a diamond world. Graded by AGL, this 4.73 ct. Burma Ruby has the most incredible hue
Category

Mid-20th Century American Cluster Rings

Materials

Ruby, Platinum

Edwardian 18K Sapphire, Diamond and Burmese Ruby Quatrefoil Ring - AGL
Located in Hummelstown, PA
blue sapphire and a glowing Burmese ruby (both accompanied by a gemological report from AGL), each
Category

Antique Early 1900s Cocktail Rings

Materials

Diamond, Ruby, Sapphire

Antique AGL certified Burmese (Mogok) Unheated Ruby & Diamond Cluster Ring
Located in OVIEDO, AS
Antique, Unique AGL certified Burmese (Mogok) Natural Ruby and Diamond Cluster Ring Untreated
Category

Antique 1840s European Early Victorian Engagement Rings

Materials

Diamond, Ruby, 18k Gold, Platinum

AGL Certified 11.28 Carats Cabochon Star Ruby and Round Diamond Cocktail Ring
By Roman Malakov
Located in New York, NY
certified by AGL as Burmese ruby with no indications of heat treatment. Accented with round melee rubies
Category

21st Century and Contemporary American Contemporary Cocktail Rings

Materials

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

New Platinum AGL & GIA Cushion Pink Sapphire Burma Ruby & Half Moon Diamond Ring
Located in Montclair, NJ
sees it as a Ruby - Burma NO HEAT and one as a Pink Sapphire NO HEAT - The bottom line is this is a
Category

2010s American Engagement Rings

Materials

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

Unheated Sapphire Ring 2.79 Carat Cushion Natural No Heat
By Merkaba
Located in Beverly Hills, CA
Ring size 6. Resizing is complementary upon request. The AGL gem report is attached to the image
Category

21st Century and Contemporary American Contemporary Engagement Rings

Materials

Diamond, White Diamond, Multi-gemstone, Sapphire, Blue Sapphire, Platinum

Unheated Burma Pink Sapphire Ring 1.19 Carats No Heat
By Merkaba
Located in Beverly Hills, CA
that this fine gem is unheated and from Myanmar (Burma). A gemstone lab report (G.I.A or AGL) will be
Category

21st Century and Contemporary American Modern Engagement Rings

Materials

Sapphire, Diamond, Pink Sapphire, White Diamond, Multi-gemstone, Platinum

Van Cleef & Arpels Paris No-Heat Burma Sapphire Ring
By Van Cleef & Arpels
Located in New York, NY
Laboratories (AGL) reports nos. 1123997, 1123998, and 1123999, all dated 15 July 2022, stating that the three
Category

Vintage 1930s French Art Deco Cluster Rings

Materials

Diamond, Sapphire, Platinum

Unheated Purple Sapphire Ring 1.60 Carat Cushion Natural No Heat
By Merkaba
Located in Beverly Hills, CA
diamonds Ring size 6. Resizing is complementary upon request. The AGL gem report is attached to the image
Category

21st Century and Contemporary American Contemporary Engagement Rings

Materials

Purple Sapphire, Sapphire, Multi-gemstone, White Diamond, Diamond, Platinum

Art Deco Burmese No Enhancement Carved Ruby Diamond Brooch
Located in New York, NY
diamond trim. Accompanied by AGL report, May13/2015 origin of the ruby is Burma, no heat or clarity
Category

Vintage 1920s Unknown Art Deco Brooches

Materials

Diamond, Ruby, Platinum

Flower Burma Ruby Diamond Ring Certfied
Located in New York, NY
Ring, finely crafted in 18k yellow gold with a Burma "No Heat" center ruby stone weighing a total
Category

Vintage 1970s Unknown More Rings

Materials

Diamond, Ruby, 18k Gold

2.10 Carat Ruby, Diamond and Gold Ring
Located in New York, NY
, heat enhancement. Size: 7 Ruby: medium deep raspberry, excellent color concentration, slightly
Category

Vintage 1980s More Rings

Materials

Diamond, Ruby, 18k Gold

Raymond Yard Beautiful Ruby Diamond Platinum Ring
By Raymond C. Yard
Located in New York, NY
A beautiful ring, centering upon an oval-shaped ruby weighing 4.63 CT BURMA, NO HEAT. The center
Category

Vintage 1960s American Three-Stone Rings

Materials

Diamond, Ruby, Platinum

Bulgari Ceylon Ruby "Serpenti" Bracelet
By Bulgari
Located in New York, NY
This opulent five-coil gold, Ceylon ruby and diamond "Serpenti" bracelet dates from the Dolce Vita
Category

Vintage 1950s Italian Link Bracelets

Materials

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

Important Bulgari ‘Trombino’ Burma Ruby and Diamond Ring
By Bulgari
Located in New York, NY
Diamonds on the shoulders. The ring is accompanied by a AGL Burma no-heat natural stone certificate. Made
Category

Vintage 1980s Italian Solitaire Rings

Materials

Diamond, Ruby

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Ruby Agl No Heat For Sale on 1stDibs

Find the exact ruby agl no heat you’re shopping for in the variety available on 1stDibs. Every item for sale was constructed with extraordinary care, often using platinum, gold and 18k gold. You can easily find a 163 antique edition and 58 modern creations to choose from as well. You’re likely to find the perfect ruby agl no 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. A ruby agl no heat from Van Cleef & Arpels, Bulgari and Merkaba — each of whom created a beautiful version of this treasured accessory — is worth considering. A cushion cut version of this piece has appeal, but there are also oval cut and round cut versions for sale. If you’re browsing our inventory for a ruby agl no heat, 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 Ruby Agl No Heat?

On average, a ruby agl no heat at 1stDibs sells for $36,000, while they’re typically $5,400 on the low end and $1,575,000 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 Ruby Agl No Heat
  • 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.
  • 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.