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Madagascar Sapphire No Heat Unheated

6.36 Ct No Heat Certified Madagascar Sapphire Diamond Platinum Ring
Located in Napoli, IT
cut natural unheated Madagascar sapphire of 6.36 Ct (10.9 x 7.8 mm.) – 4 baguette cut diamonds
Category

Mid-20th Century European Contemporary Engagement Rings

Materials

Diamond, Sapphire, Platinum

Sapphire 4.04 Carat AGL Certified No-Heat Madagascar Origin, Eye-Clean, Mounted
Located in Southbury, CT
A cushion-shaped, mixed-cut, eye-clean 4.04 unheated royal blue sapphire from Madagascar is the
Category

2010s Contemporary Engagement Rings

Materials

Diamond, Sapphire, 14k Gold

GIA Certified No Heat Pink/Purple Sapphire Diamond Engagement Ring
Located in Hong Kong, HK
pot-pourri of dazzling and lustrous pink and purple unheated sapphires from Madagascar intermixed with
Category

21st Century and Contemporary Hong Kong Contemporary Engagement Rings

Materials

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

No Heat Natural Pink Sapphire Diamond Necklace 18k White Gold Vintage Jewelry
Located in Torrance, CA
pink, nearly flawless, good cut, Madagascar origin, unheated. Fourteen full cut round diamonds total an
Category

Late 20th Century American Modern Pendant Necklaces

Materials

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

Unheated Light Violet Sapphire Ring Gem 3.41 Carat Oval Loose Gemstone
By Merkaba
Located in Beverly Hills, CA
Exquisite 3.41-Carat No-Heat “Metallic” Light Violet Sapphire – A Rare Gem for Bespoke Jewelry By
Category

21st Century and Contemporary Malagasy Contemporary Loose Gemstones

Materials

Sapphire, Blue Sapphire, Purple Sapphire

Art Deco French 4.50 Ct No Heat Pink Sapphire 1.30 Ct Diamond Drop Earrings
Located in Napoli, IT
fantastic rare pair of well matched unheated/untreated 100% natural Pink Sapphire, resplendent, vibrant full
Category

Vintage 1930s French Art Deco Dangle Earrings

Materials

Diamond, Pink Sapphire, 18k Gold

Emilio Jewelry AGL Certified Unheated Sapphire Ring
By Emilio!
Located in New York, NY
From the vault at Emilio Jewelry New York, Center Stone: 13.70 carat Agl Certified no heat sapphire
Category

21st Century and Contemporary Three-Stone Rings

Materials

Sapphire

Grs Certified 8 Carat Blue Cushion NO HEAT Diamond Ring
By Antinori Fine Jewels
Located in Chicago, IL
this unheated, untreated Madagascar sapphire, weighing an impressive 8 carats and fashioned into a
Category

2010s Unknown Contemporary Solitaire Rings

Materials

Diamond, White Diamond, Sapphire, Blue Sapphire

3.48ct Madagascar Sapphire and 2.10ct Diamond 18ct White Gold Cluster Ring 1970
Located in Jesmond, Newcastle Upon Tyne
A stunning, fine and impressive vintage 3.48 carat unheated Madagascar sapphire and 2.10 carat
Category

20th Century Cocktail Rings

Materials

Diamond, Sapphire, 18k Gold, White Gold

Yellow Gold Cocktail Ring with Four Carats Certified Vivid Blue Sapphire
By Polya Medvedeva Jewellery
Located in Berlin, DE
oval vivid blue sapphire, 4,1 carats, Lotus Laboratory certified, 10,77x9,16x5,12 mm, Madagascar. Can
Category

21st Century and Contemporary German Artist Cocktail Rings

Materials

Sapphire, Blue Sapphire, Yellow Sapphire, Green Sapphire, Tanzanite, Tou...

Dark Blue Sapphire Eighteen Karat Yellow Gold Cocktail Cluster Ring
By Polya Medvedeva Jewellery
Located in Berlin, DE
mm, no heat, MGL certified. 3 oval sapphires, SI-VS, unheated, untreated, Madagascar, Africa, purple
Category

21st Century and Contemporary German Artist Cocktail Rings

Materials

Garnet, Sapphire, Blue Sapphire, Pink Sapphire, Yellow Sapphire, Green S...

Dark Blue Sapphire Eighteen Karat Yellow Gold Cocktail Cluster Ring
By Polya Medvedeva Jewellery
Located in Berlin, DE
mm, no heat, MGL certified. 3 oval sapphires, SI-VS, unheated, untreated, Madagascar, Africa, purple
Category

21st Century and Contemporary German Artist Cocktail Rings

Materials

Garnet, Sapphire, Blue Sapphire, Pink Sapphire, Yellow Sapphire, Green S...

AIG Certified Four Carats Vivid Blue Sapphire Yellow Gold Cocktail Ring
By Polya Medvedeva Jewellery
Located in Berlin, DE
tanzanite, dimension: 7.90x6.20x5.25 mm, no heat, MGL certified. 3 oval sapphires, SI-VS, unheated
Category

21st Century and Contemporary German Artist Cluster Rings

Materials

Garnet, Sapphire, Blue Sapphire, Pink Sapphire, Yellow Sapphire, Green S...

18K Gold Floral Engagement Ring with Four Carats FGL Certified Blue Sapphire
By Polya Medvedeva Jewellery
Located in Berlin, DE
ages. It is surrounded by chosen for it: sapphires, Red and green sapphires, malaya garnet, unheated
Category

21st Century and Contemporary German Artist Engagement Rings

Materials

Garnet, Sapphire, Blue Sapphire, Pink Sapphire, Yellow Sapphire, Green S...

Yellow Gold Ring with GRS Certified Royal Blue Sapphire and Diamonds
By Polya Medvedeva Jewellery
Located in Berlin, DE
dimension of the royal blue sapphire: 10.80 x 8.43 x 7.25 mm, no heat, 5.23 carats. There is no need to
Category

21st Century and Contemporary German Artist Cocktail Rings

Materials

Tourmaline, Paraiba, Tanzanite, Green Sapphire, Yellow Sapphire, Blue Sa...

GRS Certified Three Carats Red Spinel Yellow Gold Cocktail Ring with Sapphires
By Polya Medvedeva Jewellery
Located in Berlin, DE
, dimension: 7.90x6.20x5.25 mm, no heat, MGL certified. 3 oval sapphires, SI-VS, unheated, untreated
Category

21st Century and Contemporary German Contemporary Cluster Rings

Materials

Garnet, Rubelite, Sapphire, Blue Sapphire, Green Sapphire, Spinel, Tourm...

0.62Ct PADPARADSCHA sapphire ring in 18k solid, Princess Tiara Crown Ring
Located in Singapore, SG
Padparadscha sapphire is known as one of the rarest gemstones globally. This tiara crown ring is
Category

21st Century and Contemporary Singaporean Art Deco Bridal Rings

Materials

Sapphire, Padparadscha Sapphire , 18k Gold

Yellow Rose-cut + Pink + Lemon Yellow Diamond + Chrysoberyl + Blue Sapphire Ring
By Joke Quick
Located in Antwerp, BE
ct, 20 X White DEGVVS brilliant-cut diamonds 0.10 ct. 10 X Unheated Blue brilliant-cut Sapphires
Category

2010s Belgian Contemporary Fashion Rings

Materials

Diamond, Pink Diamond, Sapphire, Chrysoberyl, White Diamond, Yellow Diam...

Certified Gem-Set Emeralds, Rubies, Sapphires, Diamonds ‘Tutti Frutti’ Bracelet.
Located in OVIEDO, AS
(6.98X6.67X5.69 mm). Cushion mixed cut. Transparent. Untreated, unheated. Madagascar origin (Reunigem Lab
Category

Vintage 1970s European Modern Tennis Bracelets

Materials

Diamond, Emerald, Ruby, Sapphire, 14k Gold

Yellow Gold Engagement Ring with Four Carats GIA Certified Transperent Tsavorite
By Polya Medvedeva Jewellery
Located in Berlin, DE
: 7.90x6.20x5.25 mm, no heat, MGL certified. 3 oval sapphires, SI-VS, unheated, untreated, Madagascar, Africa
Category

21st Century and Contemporary German Contemporary Engagement Rings

Materials

Garnet, Sapphire, Blue Sapphire, Pink Sapphire, Yellow Sapphire, Green S...

Yellow Gold Engagement Cluster Ring with Four Carats Certified Tsavorite
By Polya Medvedeva Jewellery
Located in Berlin, DE
tanzanite, dimension: 7.90x6.20x5.25 mm, no heat, MGL certified. 3 oval sapphires, SI-VS, unheated
Category

21st Century and Contemporary German Artist Engagement Rings

Materials

Garnet, Sapphire, Blue Sapphire, Pink Sapphire, Yellow Sapphire, Green S...

Recent Sales

UNHEATED ORANGE Sapphire, 1.33ct, Madagascar (No Treatment at all)
Located in Methuen, MA
Sapphire, not a common color! Origin is Madagascar which has perhaps surpassed Sri Lanka (Ceylon) in
Category

2010s African Loose Gemstones

Materials

Sapphire

Victorian circa 1850 Natural No Heat Madagascar Blue Sapphire Diamond Gold Ring
Located in Berlin, Berlin
beautiful example of this part of fashion and art history. A natural, untreated (no heat) sapphire of 2,95
Category

Antique 1850s Early Victorian Cocktail Rings

Materials

Diamond, Blue Sapphire, 14k Gold

2.62 carats No Heat Parti Sapphire Stone Oval Cut Natural Madagascar's Gemstone
Located in Bangkok, TH
yellow hues dancing across the stone in natural harmony. Untreated and unheated, this sapphire retains
Category

21st Century and Contemporary Malagasy Modern Loose Gemstones

Materials

Sapphire

Unheated Padparadscha Sapphire Ring Gem 3.08 Carat No Heat Loose Gemstone
By Merkaba
Located in Beverly Hills, CA
Rare and exclusive 3.08 carat unheated Padparadscha Sapphire cushion gem, offered loose to a world
Category

21st Century and Contemporary Malagasy Modern Loose Gemstones

Materials

Padparadscha Sapphire

Unheated Pink Sapphire Ring Gem 3.19 Carat Oval Loose No Heat Gemstone
By Merkaba
Located in Beverly Hills, CA
Superb 3.19 carat unheated Pink Sapphire oval gem, offered loose to a world-class gemstone
Category

21st Century and Contemporary Malagasy Modern Loose Gemstones

Materials

Pink Sapphire

Unheated Orange Sapphire Ring Gem 8.10 Carat GIA No Heat Loose Gemstone
By Merkaba
Located in Beverly Hills, CA
Rare and exceptional 8.10 carat unheated orange Sapphire round gem, offered loose to an avid gem
Category

21st Century and Contemporary Malagasy Contemporary Loose Gemstones

Materials

Sapphire, Other

Unheated Pink Sapphire Ring Gem 3.56 Carat Cushion No Heat Loose Gemstone
By Merkaba
Located in Beverly Hills, CA
Fine and exclusive 3.56 carat unheated Pink Sapphire cushion gem, offered loose to a world-class
Category

21st Century and Contemporary Malagasy Contemporary Loose Gemstones

Materials

Pink Sapphire

Unheated GIA Cert Sapphire Diamond Gold Ring
Located in Boca Raton, FL
Luxurious 18 karat white gold sapphire and diamond ring features a no heat Madagascar Sapphire with
Category

21st Century and Contemporary Malagasy Modern Bridal Rings

Materials

Blue Sapphire, White Diamond, 18k Gold

Unheated Green Sapphire Emerald Cut 8.42 Carat GIA Certified Natural
By Merkaba
Located in Beverly Hills, CA
No heat G.I.A certified 8.42 carat Green Sapphire emerald cut. This superb, collection quality gem
Category

21st Century and Contemporary Malagasy Modern Cocktail Rings

Materials

Sapphire, Yellow Sapphire, Green Sapphire, Other, 18k Gold, Rose Gold, W...

Joke Quick Pink Diamond Unheated Sapphire Pink Spinel Green Diamond Mosaic Ring
By Joke Quick
Located in Antwerp, BE
Sapphires from Madagascar 1,22 ct., Unheated Intense Pink Spinel from Burma : 0.28 ct. , Unheated Blue
Category

2010s Belgian Art Nouveau Fashion Rings

Materials

Diamond, Pink Diamond, Sapphire, Spinel, Padparadscha Sapphire , 18k Gol...

Joke Quick Pink Diamond Unheated Pink Sapphire Intense Pink Spinel Mosaic Ring
By Joke Quick
Located in Antwerp, BE
Pink Rose-cut Sapphires from Madagascar 0,45 ct., 12 X Unheated Intense Pink Spinel from Burma : 0.30
Category

2010s Belgian Art Nouveau Fashion Rings

Materials

Diamond, Pink Diamond, Sapphire, Spinel, Pink Sapphire, 18k Gold, Rose Gold

Demantoid Rose-Cut Diamond Unheated Pink & Blue Sapphire Fancy Pink Diamond Ring
By Joke Quick
Located in Antwerp, BE
-cut diamonds 0,40 ct., 5 X light pink rose-cut Unheated Pink Sapphires from Madagascar 0,60 ct., 6 X
Category

Antique 18th Century Belgian Contemporary Fashion Rings

Materials

Diamond, White Diamond, Pink Diamond, Garnet, Blue Sapphire, Pink Sapphi...

Cognac Diamond Pink Diamond No Heat Pink and Blue Sappire Mosaic Set Pave Ring
By Joke Quick
Located in Antwerp, BE
in Australia : 0,19 ct, 3 X no heat rose-cut pink sapphires from Madagascar 0,18 ct, 3 X no heat
Category

2010s Belgian Art Nouveau Fashion Rings

Materials

Diamond, Pink Diamond, Brown Diamond, Blue Sapphire, Pink Sapphire, 18k ...

Harry Winston GRS Certified 38.56 Carat Burma Oval Sapphire and Diamond Ring
By Harry Winston
Located in New York, NY
transparency) rose steadily ever since. The demand for natural, unheated sapphires keeps growing while the
Category

21st Century and Contemporary Burmese Contemporary Engagement Rings

Materials

Diamond, Sapphire, Platinum

Unheated Sapphire Ring Gem 4.14 Carat Cornflower Blue No Heat Loose Gemstone
By Merkaba
Located in Beverly Hills, CA
Lively Cornflower Blue 4.14 carat unheated oval Sapphire gem, offered loose to a classy lady or
Category

21st Century and Contemporary Malagasy Contemporary Loose Gemstones

Materials

Sapphire, Blue Sapphire

Unheated Pink Purple Sapphire Ring 3.58 Carat Round No Heat
By Tamir
Located in Beverly Hills, CA
Unheated 3.58 carat Pinkish Purple Sapphire round, 18K white gold ring, surrounded by round
Category

21st Century and Contemporary Malagasy Contemporary Cocktail Rings

Materials

Sapphire, Pink Sapphire, Purple Sapphire, Alexandrite, Amethyst, Aquamar...

White Diamond Pink Spinel Unheated Sapphire Demantoid Pendant Necklace
By Joke Quick
Located in Antwerp, BE
4.5 g 14 X White DEGVVS Brilliant-cut diamonds : 0.12 ct. 5 X Unheated Burmese Blue Sapphires : 0.14
Category

2010s Belgian Artist Pendant Necklaces

Materials

White Diamond, Garnet, Sapphire, Spinel, 18k Gold, White Gold

Padparadscha sapphire Cognac Rose-Cut & Pink Diamond Mosaic Pendant Necklace
By Joke Quick
Located in Antwerp, BE
Joke Quick in 18K yellow gold 4.7 g pave set with 8 unheated Padparadscha sapphires from Madagascar
Category

2010s Belgian Artist Chain Necklaces

Materials

Diamond, White Diamond, Pink Diamond, Sapphire, Padparadscha Sapphire , ...

Rare Unheated Lavender Sapphire & Diamond 18K Ring
Located in Mill Valley, CA
: Lavender Origin: Madagascar Treatment: None - No Heat/No Treatment This gemstone comes with a
Category

2010s Malagasy Contemporary Engagement Rings

Materials

Diamond, Sapphire, Purple Sapphire, 18k Gold

Important (unheated) Ceylon Sapphire Ring
Located in Chestnut Hill, MA
: Australia, Madagascar, even America among others. However, Ceylon sapphires are some of the most sought
Category

21st Century and Contemporary Sri Lankan Cluster Rings

Materials

Sapphire, Diamond, Platinum

18 Carat White Gold, ‘Pigeon’s Blood’ 4.27 Carat Ruby and Diamond Cluster Ring
Located in Rochford, Essex
that the 4.27 carat ruby is of Madagascan origin, with no evidence of heat treatment, and displaying a
Category

Late 20th Century British Engagement Rings

Materials

Diamond, Ruby, White Gold

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Victorian 3.60 Ct Certified Burma Natural Sapphire 2.30 Ct Diamond Ring
Located in Napoli, IT
Victorian Tradition Spectacular Victorian period Diamond and Sapphire cluster ring which is in the tradition of the antique jewellery, 1890/1900 ca Hand crafted of solid 18 Kt gold i...
Category

Antique Late 19th Century European Late Victorian Cluster Rings

Materials

Diamond, Sapphire, 18k Gold

AGI Natural Blue Sapphire & Diamond Necklace 18 Karat White Gold, Suite, Estate
Located in New York, NY
This Necklace and Earrings set is a true masterpiece that showcases the exceptional quality and beauty of natural sapphires and diamonds. The necklace is made out of 18 Karat white g...
Category

20th Century Drop Necklaces

Materials

Diamond, Blue Sapphire, 18k Gold, White Gold

Van Cleef & Arpels 18K Yellow Gold/Green Malachite Vintage Alhambra Bracelet
By Van Cleef & Arpels
Located in New York, NY
Van Cleef & Arpels 18K Yellow Gold/Green Malachite Vintage Alhambra Bracelet Made In: France Date of Manufacture: 2022 Materials: Green malachite and 18k yellow gold Hallmarks: VCA ...
Category

21st Century and Contemporary French Chain Bracelets

Materials

Malachite, 18k Gold, Yellow Gold

GIA Certified 2.09ctt Pink Sapphire with Diamond Halo Ring 18k White Gold
Located in BEVERLY HILLS, CA
Beautiful pink sapphire with diamond halo ring with diamond peek-a-boo, GIA certified. 1.41 carat oval pink sapphire, GIA certified heat. Complimented by 32 round brilliant diamonds,...
Category

21st Century and Contemporary Contemporary Engagement Rings

Materials

Diamond, Pink Sapphire, 18k Gold, White Gold

Color-Changing Burma Sapphire Platinum Cushion Diamond Ring - Luxury Gift
By Merkaba
Located in Beverly Hills, CA
Very Special Color-Changing Burma Sapphire Platinum Ring by Merkaba Jewelry Beverly Hills - Merkaba Jewelry Beverly Hills proudly presents an extraordinary no-heat color-changing Bur...
Category

21st Century and Contemporary American Contemporary Engagement Rings

Materials

Diamond, White Diamond, Multi-gemstone, Sapphire, Blue Sapphire, Purple ...

Tiffany & Co. Schlumberger 4 Row Rope X Diamond Ring
By Tiffany & Co.
Located in Chicago, IL
Tiffany & Co. Schlumberger® 4 Row Rope X Diamond Ring is an exquisite piece made with a combination of platinum and 18k yellow gold. It weighs 11.3 grams and is a size 6.5, measuring...
Category

2010s American Band Rings

Materials

Diamond, Platinum, 18k Gold

GIA Certified 3.74 Carat Emerald Cut Ceylon Sapphire & Diamond Ring in Platinum
Located in Great Neck, NY
GIA Certified Emerald Cut Ceylon Sapphire weighing 3.74 carats Measuring (11.07x7.10x4.63) mm Diamonds weighing .61 carats Set in Platinum
Category

2010s American Modern Cocktail Rings

Materials

Diamond, Emerald, Sapphire, Blue Sapphire, Platinum

Cartier Baignoire Paris 18K Yellow Gold & Factory Diamond Gran De Ris Bracelet
By Cartier
Located in Great Neck Plaza, NY
Elegant Cartier 18K Gold Diamond Watch. This exquisite timepiece features an oval-shaped face adorned with round white diamonds that total 2.11 carats. Crafted from 18K gold, the wat...
Category

Vintage 1980s Wrist Watches

Materials

Diamond, 18k Gold

GIA Certified 7, 03 Carat Sapphire Diamond Platinum Engagement Ring AENEA
By AENEA Jewellery
Located in Salzburg, AT
This beautiful Natural Ceylon Sapphire Cushion Cut Ring with white diamonds is handcrafted in Platinum. It is the perfect engagement ring. Gemstone: Ceylon Saphire 7,03ct. (GIA Cer...
Category

2010s Austrian Modern Engagement Rings

Materials

White Diamond, Blue Sapphire, Diamond, Sapphire, Platinum

Boucheron "Laperouse" 8.03 Carat Emerald Cut G VS1 GIA Certified Diamond Ring
By Boucheron
Located in Miami, FL
From the exceptional Salon de Boucheron: Centering an 8.03 Carat Emerald Cut "G" Color "VS1" Clarity Diamond, framed by 12 magnificent Briolette-Cut Diamond drops totaling 3.94 Carat...
Category

21st Century and Contemporary French Modern Cocktail Rings

Materials

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

Christian Dior by John Galliano 2000s Camouflage Saddle bag
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Rare Christian Dior by John Galliano 2000s Camouflage Saddle bag, in laminated leather, gold hardware featuring green sparkling details. Condition: Really good. Packing/accessorie...
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Hermes HAC 40 Craie and Gris Clair Feutre Birkin Bag Palladium Hardware
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Hermes Birkin 35 Craie Rose Gold Chalk Off White Togo RARE
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Located in New York, NY
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Emilio Jewelry GIA Certified 7.02 Carat Natural Blue Diamond Ring
By Emilio!
Located in New York, NY
From the museum vault at Emilio Jewelry New York, One of the rarest and only diamonds of its size and color. Please inquire for details.
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21st Century and Contemporary Three-Stone Rings

Materials

Blue Diamond

GIA Certified 7.0 Carat Heart Shape Pink Diamond Cocktail Ring
By GEMME
Located in New York, NY
Heart Shape Diamond weighing 7.0 Carat with GIA certificate stating the Diamond is of Fancy Pink color and VS2 Clarity. Surrounded by reverse set White Diamonds weighing 5.02 Carats....
Category

2010s American Cocktail Rings

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Pink Diamond, Platinum

Vintage Sapphire and Diamond Convertible Tiara Necklace
Located in London, GB
A vintage sapphire and diamond convertible tiara necklace. An exceptional vintage sapphire and diamond convertible tiara and necklace set, in platinum, circa 1950. This beautifull...
Category

Vintage 1960s French Retro Drop Necklaces

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Madagascar Sapphire No Heat Unheated For Sale on 1stDibs

Surely you’ll find the exact madagascar sapphire no heat unheated you’re seeking on 1stDibs — we’ve got a vast assortment for sale. Frequently made of gold, 18k gold and rose gold, this item was constructed with great care. Our collection of these items for sale includes 4 vintage editions and 23 modern creations to choose from as well. Making the right choice when shopping for a madagascar sapphire no heat unheated may mean carefully reviewing examples of this item dating from different eras — you can find an early iteration of this piece from the 20th Century and a newer version made as recently as the 21st Century, both of which have proven very popular over the years. Creating a madagascar sapphire no heat unheated has been a part of the legacy of many jewelers, but those produced by Polya Medvedeva Jewellery, Joke Quick and Merkaba are consistently popular. A madagascar sapphire no heat unheated can be a stylish choice for most occasions, but sapphire rings, from our inventory of 23, can add a particularly distinctive touch to your look, day or night. An oval cut version of this piece has appeal, but there are also cushion cut and emerald cut versions for sale. Most of our madagascar sapphire no heat unheated for sale are for women, but there are 10 pieces available to browse for men.

How Much is a Madagascar Sapphire No Heat Unheated?

The price for a madagascar sapphire no heat unheated starts at $1,856 and tops out at $390,000 with these rings, on average, selling for $62,877.

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.