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GIA Certified .79 Carat Blue Sapphire Diamond Platinum Engagement Ring
Located in Stamford, CT
Diamond and sapphire engagement ring. GIA Certified natural no heat oval .79 carat sapphire center
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, Sapphire, Blue Sapphire, Platinum

Peter Suchy GIA 2.48 Carat Blue Sapphire Diamond Platinum Engagement Ring
By Peter Suchy
Located in Stamford, CT
crafted in the Peter Suchy Workshop. 1 oval cushion shape natural Sapphire no heat and no enhancements
Category

21st Century and Contemporary Engagement Rings

Materials

Blue Sapphire, Diamond, Sapphire, Platinum

GIA Certified Pear Sapphire Diamond Swirl Bypass Platinum Cocktail Ring
Located in Stamford, CT
certified the blue pair shaped sapphire as natural no heat. 1 pear shape sapphire Approximate .60 carats
Category

21st Century and Contemporary Cocktail Rings

Materials

Diamond, Sapphire, Blue Sapphire, Platinum

GIA Certified 1.82 Carat Pink Sapphire Diamond Platinum Engagement Ring
Located in Stamford, CT
baguette side diamonds in a platinum three-stone setting. GIA certified pink sapphire natural no heat no
Category

Early 20th Century Engagement Rings

Materials

Diamond, Sapphire, Pink Sapphire, Platinum

GIA Certified 1.82 Carat Blue Sapphire Diamond Platinum Engagement Ring
Located in Stamford, CT
the GIA as natural, no heat. 1 octagonal Cornflower Blue Sapphire, approx. total weight 1.82cts, VS
Category

Early 20th Century Engagement Rings

Materials

Blue Sapphire, Diamond, Sapphire, Platinum

GIA Certified 4.05 Carat Sapphire Diamond Platinum Three-Stone Engagement Ring
Located in Stamford, CT
Vintage 1950's Sapphire and diamond engagement ring. 4.05ct GIA certified oval natural no heat
Category

Mid-20th Century Engagement Rings

Materials

Diamond, Sapphire, Green Sapphire, Platinum

Peter Suchy 4.73 Carat Sapphire Diamond Platinum Three-Stone Engagement Ring
By Peter Suchy
Located in Stamford, CT
Elongated cushion cut natural no heat GIA certified color change Sapphire and diamond engagement
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, Blue Sapphire, Sapphire, Platinum

Peter Suchy GIA 4.02 Carat Pink Sapphire Diamond Platinum Engagement Ring
By Peter Suchy
Located in Stamford, CT
cushion cut natural pink sapphire no heat 4.02cts. All stone original cushion cut. GIA Cert# 2201480885 2
Category

21st Century and Contemporary Three-Stone Rings

Materials

Diamond, Pink Sapphire, Sapphire, Platinum

Peter Suchy 2.91 Carat Cornflower Blue Sapphire Diamond Platinum Engagement Ring
By Peter Suchy
Located in Stamford, CT
Peter Suchy Cornflower blue oval Sapphire with a slight purple tone 2.91ct, AGL certified natural
Category

21st Century and Contemporary Engagement Rings

Materials

Blue Sapphire, Diamond, Sapphire, Platinum

GIA Certified 1.17 Carat Oval Yellow Sapphire Diamond Platinum Engagement Ring
Located in Stamford, CT
Natural no heat golden yellow sapphire and diamond engagement ring. GIA certified center stone in a
Category

Late 20th Century Engagement Rings

Materials

Diamond, Yellow Sapphire, Sapphire, Platinum

GIA 5.37 Carat Green Sapphire Diamond Three-Stone Engagement Platinum Ring
Located in Stamford, CT
beautiful sapphire is graded by the GIA as natural, no heat blue green with interesting color zoning in the
Category

Early 20th Century Engagement Rings

Materials

Diamond, Sapphire, Green Sapphire, Platinum

GIA Certified 1.49 Carat Purple Pink Sapphire Diamond Platinum Engagement Ring
Located in Stamford, CT
Mid-century 1940-1950 sapphire and diamond engagement ring. GIA certified natural no heat no
Category

Mid-20th Century Engagement Rings

Materials

Diamond, Pink Sapphire, Sapphire, Platinum

GIA Certified 3.07 Carat Blue Sapphire Diamond Halo Gold Engagement Ring
Located in Stamford, CT
sapphire is certified by the GIA as natural, no heat. 1 oval deep blue Sapphire, approx. total weight
Category

21st Century and Contemporary Engagement Rings

Materials

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

Hand Carved Sapphire Cameo of a Pharaoh s Sarcophagus GIA
By Castellani Jewellers
Located in New York, NY
Sapphire No Heat Enhancement and of Sri Lanka Origin. The sapphire is being sold loose, but will make a
Category

21st Century and Contemporary European Loose Gemstones

Materials

Sapphire

Spark GIA 1.36 Carat Pink Oval Sapphire Diamond Platinum Engagement Ring
By Spark Creations
Located in Stamford, CT
certified oval 1.36 carat natural pink, no heat sapphire in a wonderful platinum setting with 6 round and 4
Category

Late 20th Century Engagement Rings

Materials

Diamond, Sapphire, Pink Sapphire, Platinum

Peter Suchy GIA 1.91 Carat Blue Sapphire Diamond Platinum Engagement Ring
By Peter Suchy
Located in Stamford, CT
Sapphire and diamond three-stone engagement ring. GIA Certified natural no heat center sapphire
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, Sapphire, Blue Sapphire, Platinum

Large Princess Diana Blue Sapphire 14.74ct Ceylon Diamond Ring 18K White Gold
Located in Great Neck, NY
of color and craftsmanship, High Jewelry, this 14.74-carat natural No Heat, Ceylon sapphire ring
Category

21st Century and Contemporary Modern Fashion Rings

Materials

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

Peter Suchy GIA 2.23 Carat Sapphire Diamond Platinum Three-Stone Engagement Ring
By Peter Suchy
Located in Stamford, CT
certified by the GIA as natural, no heat. The sapphire is mounted in a platinum three-stone setting with one
Category

21st Century and Contemporary Three-Stone Rings

Materials

Diamond, Blue Sapphire, Sapphire, Platinum

2.78 Carat Purple Octagon Sapphire Diamond Platinum Engagement Ring
Located in Stamford, CT
Handmade circa 1920s natural untreated no heat purple Sapphire and diamonds in original Art Deco
Category

Early 20th Century Engagement Rings

Materials

Diamond, Sapphire, Platinum

GIA Certified 1.74 Carat Pear Sapphire Diamond Platinum Pendant Necklace
Located in Stamford, CT
chain. The GIA has certified the sapphire as natural, no heat. 1.74ct natural no heat gem pear shape
Category

21st Century and Contemporary Pendant Necklaces

Materials

Diamond, Sapphire, Platinum

Christopher Designs GIA Certified 2.38 Carat Sapphire Diamond Gold Ring
By Christopher Design
Located in Stamford, CT
three rows of 1.50 carats of bright princess cut diamonds. GIA certified as natural no heat 1 oval blue
Category

21st Century and Contemporary Engagement Rings

Materials

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

Natalie K GIA 2.07 Carat Oval Sapphire Diamond Halo Platinum Engagement Ring
By Natalie K
Located in Stamford, CT
natural, No heat. 1 oval Royal Blue Sapphire, approx. total weight 2.07cts, no heat, GIA certificate
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, Sapphire, Blue Sapphire, Platinum

NWT $85, 000 Gorgeous Fancy 18KT Gold 16CT Burmese Blue Sapphire Diamond Ring
Located in New York, NY
NO HEAT EXTREMELY RARE BLUE BURMESE SAPPHIRE AND DIAMOND RING T.C.W. Approx 16CTS!!! This Piece is
Category

21st Century and Contemporary Cocktail Rings

Materials

Diamond, Sapphire, Blue Sapphire, Gold

Sophia D 2.80 Carat Sapphire Diamond Platinum Engagement Ring
By Sophia D
Located in Stamford, CT
Sophia D sapphire and diamond ring. 2.80 carat natural GIA certified no heat oval center sapphire
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, Sapphire, Platinum

GIA Certified Art Deco 4.51 Carat Sapphire Diamond Platinum Engagement Ring
Located in Stamford, CT
Periwinkle blue sapphire and diamond engagement ring. GIA certified oval natural no heat untreated
Category

Early 20th Century Engagement Rings

Materials

Diamond, Sapphire, Blue Sapphire, Platinum

GIA Certified 1.74 Carat Sapphire Diamond Gold Three-Stone Engagement Ring
Located in Stamford, CT
the GIA as natural, no heat. 1 round Sapphire 1.32ct, Natural no enhancements GIA certificate
Category

Late 20th Century Engagement Rings

Materials

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

GIA Certified 8.35 Carat Sapphire and White Diamond White Gold Ring
By Shimon s Creations
Located in New York, NY
Sapphire Ring with GIA Cert, Natural Sapphire, No Heat, Dark Bluish Green Changing to Dark Purple
Category

2010s Fashion Rings

Materials

White Diamond, Sapphire, 18k Gold, White Gold

Peter Suchy GIA Certified 1.08 Carat Sapphire Yellow Gold Solitaire Ring
By Peter Suchy
Located in Stamford, CT
Unique steel blue custom cut natural no heat square ceylon sapphire engagement ring. GIA certified
Category

21st Century and Contemporary Solitaire Rings

Materials

Sapphire, Blue Sapphire, Gold, 14k Gold, Yellow Gold

Peter Suchy 3.91 Carat Cushion Sapphire Diamond Halo Platinum Engagement Ring
By Peter Suchy
Located in Stamford, CT
. Natural no heat and no enhancement Sapphire, cushion shape, approx. total weight 3.91cts, 8.82 x 8.61 x
Category

21st Century and Contemporary American Engagement Rings

Materials

Diamond, Sapphire, Blue Sapphire, Platinum

GIA Certified 1.60 Carat Pear Sapphire Diamond Gold Dangle Drop Earrings
Located in Stamford, CT
sapphire at the bottom of each earring. GIA certified. 2 natural no heat pear shaped blue Sapphires
Category

Late 20th Century Dangle Earrings

Materials

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

GIA Certified 2.75 Carat Sapphire and White Diamond White Gold Ring
By Shimon s Creations
Located in New York, NY
This item comes in Blue and Purplish colors. 1 No Heat, Cabochon Natural Sapphire Gemstone: 2.26
Category

2010s Fashion Rings

Materials

White Diamond, Sapphire, 18k Gold, White Gold

Peter Suchy GIA 3.48 Carat Sapphire Diamond Platinum Three-Stone Engagement Ring
By Peter Suchy
Located in Stamford, CT
depending on light. GIA certified natural no heat, oval center sapphire with two accent trilliant cut side
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, Sapphire, Blue Sapphire, Platinum

French Modern Pink Sapphire Princess-Cut Diamonds 18 Karat White Gold Ring
Located in Poitiers, FR
. Natural sapphire - no heat - no treatment with lab certificate. Total weight of diamonds : 1 carat
Category

21st Century and Contemporary French Modern Engagement Rings

Materials

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

Peter Suchy 1.58 Carat Hot Pink Sapphire Diamond Halo Gold Engagement Ring
By Peter Suchy
Located in Stamford, CT
Hot pink natural no heat oval pink Sapphire and diamond engagement ring. GIA certified oval center
Category

21st Century and Contemporary Engagement Rings

Materials

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

GIA 1.09 Carat Sapphire Diamond Platinum Three-stone Engagement Ring
Located in Stamford, CT
heat, no enhancements, round sapphire with a natural gray color. Platinum setting with 2 tapered
Category

Early 20th Century Engagement Rings

Materials

Diamond, Sapphire, Platinum

Platinum Sapphire Unheated Purple Diamond GIA Ring Antique Old Mine 17.37 CTS!
Located in Sylvania, GA
HEAT NATURAL SAPPHIRE. This Gorgeous Antique Sapphire Is Crowned With 3.86 Carats of Sparkling VS Old
Category

Antique 19th Century Cocktail Rings

Materials

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

GIA .68 Carat Brown Pink Sapphire Diamond Three-Stone Gold Engagement Ring
Located in Stamford, CT
Pink brown sapphire and white diamond three-stone engagement ring. Natural no heat oval natural
Category

21st Century and Contemporary Engagement Rings

Materials

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

Peter Suchy GIA 2.74 Carat Oval Pink Sapphire Diamond Halo Platinum Ring
By Peter Suchy
Located in Stamford, CT
Pink sapphire and diamond halo engagement ring. GIA certified natural no heat very light purplish
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, Sapphire, Pink Sapphire, Platinum

GIA Certified 13.81 Carat Yellow Sapphire Diamond Gold Platinum Cocktail Ring
Located in Stamford, CT
natural no heat yellow center sapphire with Pavé set diamonds. 1 cushion yellow Sapphire, approx. total
Category

Mid-20th Century Cocktail Rings

Materials

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

Platinum Ring NH Ceylon 14.6 ct. Sapphire 3.15ct. Diam. GRS Certified, Estate
Located in Antwerp, BE
from Estate Sultan Of Oman Qaboos Bin Said Sapphire: Natural No Heat blue sapphire, cabochon cut, oval
Category

20th Century European Artisan Fashion Rings

Materials

Diamond, Sapphire, Platinum

GIA Certified 1.53 Carat Orange Sapphire Diamond Platinum Dangle Earrings
Located in Stamford, CT
Art Deco Sapphire and diamond dangle earrings. GIA Certified natural no heat orange sapphire
Category

Early 20th Century Dangle Earrings

Materials

Diamond, Sapphire, Platinum

Peter Suchy GIA Certified 1.11 Carat Sapphire Diamond White Gold Engagement Ring
By Peter Suchy
Located in Stamford, CT
Bright purple oval natural no heat 1.11 carat sapphire in a custom design ring. Designed and
Category

21st Century and Contemporary Engagement Rings

Materials

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

GIA 1.45 Carat Pear Shaped Ruby Sapphire Diamond Gold Crown Engagement Ring
Located in Stamford, CT
natural no heat ruby and cornflower sapphire set an 18k yellow gold crown setting with a halo of 42 rose
Category

Antique Late 19th Century Engagement Rings

Materials

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

Peter Suchy GIA Certified 4.80 carats Sapphire Diamond Platinum Three Stone Ring
By Peter Suchy
Located in Stamford, CT
4.80ct all natural, no heat octogonal yellow sapphire. Mounted in a three stone platinum setting with
Category

21st Century and Contemporary Three-Stone Rings

Materials

Diamond, Sapphire, Platinum

GIA Certified 2.00 Carat Sapphire Diamond White Gold Ring
Located in Stamford, CT
1930's Sapphire and diamond ring. GIA Certified natural no heat sugarloaf cut cabochon sapphire
Category

Early 20th Century Engagement Rings

Materials

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

18kt Gold Ring 14.5ct Burmese Star Nh Sapphire Diamonds, Estate Sultan of Oman
Located in Antwerp, BE
Bin Said Sapphire: Blue Cabochon, Natural No Heat Star Burma sapphire, 14.5 ct. No treatment. Comes
Category

20th Century European Artisan Signet Rings

Materials

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

GIA Certified 2.08 Carat Orange Sapphire Diamond Platinum Engagement Ring
Located in Stamford, CT
is a 2.08ct oval GIA Certified natural, no heat oval orange sapphire which is accented by 2 straight
Category

Mid-20th Century Engagement Rings

Materials

Diamond, Sapphire, Platinum

GIA Certified 1.02 Carat Brown Orange Sapphire Diamond Engagement Platinum Ring
Located in Stamford, CT
1940's Sapphire and diamond engagement ring. GIA certified, natural, no heat, brown orange center
Category

Early 20th Century Engagement Rings

Materials

Diamond, Sapphire, Platinum

Peter Suchy GIA Certified .80 Carat Blue Sapphire Diamond Gold Engagement Ring
By Peter Suchy
Located in Stamford, CT
Sapphire and diamond three-stone engagement ring. GIA certified natural, no heat oval sapphire
Category

21st Century and Contemporary Engagement Rings

Materials

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

1.38 Carat Sapphire Diamond Three-Stone Gold Engagement Ring
Located in Stamford, CT
4.41mm colorless natural no heat no enhancements Sapphire. Clear with just a hint of light blue. AGL
Category

Early 20th Century Engagement Rings

Materials

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

20.00 Carat Emerald Sapphire Diamond Gold Platinum Art Deco Cocktail Ring
Located in Stamford, CT
20.00ct oval emerald surrounded by a halo of natural no heat pink Sapphires with two accent side diamonds
Category

Early 20th Century South American Cocktail Rings

Materials

Diamond, Emerald, Pink Sapphire, Sapphire, 14k Gold, Gold, Yellow Gold, ...

Peter Suchy GIA .97 Carat Sapphire Diamond Three Stone Gold Engagement Ring
By Peter Suchy
Located in Stamford, CT
certified .97ct oval sapphire mounted in 18k white gold setting. Certified by the GIA as natural, no heat
Category

21st Century and Contemporary Engagement Rings

Materials

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

GIA 2.71 Carat Violet Sapphire Diamond Platinum Art Deco Engagement Ring
Located in Stamford, CT
. Emerald step cut center sapphire set in platinum with 2 straight baguette side stones. Natural no heat
Category

Early 20th Century Three-Stone Rings

Materials

Diamond, Sapphire, Platinum

GIA 5.00 Cabochon Star Sapphire Diamond Men s White Gold Three-Stone Ring
Located in Stamford, CT
round side diamonds. The sapphire is GIA certified natural, no heat, light grey blue Star. Sapphire
Category

Early 20th Century Three-Stone Rings

Materials

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

GIA Certified 26.75 carats Unheated Ceylon Sapphire Diamond Halo Platinum Ring
Located in La Jolla, CA
GIA Natural No Heat Ceylon Sapphire 26.75 carats and Diamond Ring in Platinum Sapphire and Diamond
Category

21st Century and Contemporary North American Cocktail Rings

Materials

Diamond, Sapphire, Platinum

18k Gold Edwardian Style Oval Sapphire and Diamond Ring, App. 0.86 TCW
Located in Fairfield, CT
Natural No Heat Vintage Blue Sapphire And Diamond Cut Corner Profile Ring. This vintage ring has a
Category

Early 20th Century Unknown Edwardian Cocktail Rings

Materials

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

GIA .92 Carat Royal Blue Sapphire White Gold Diamond Three-Stone Engagement Ring
Located in Stamford, CT
Oval and diamond engagement ring. GIA certified Natural no heat Royal blue center sapphire, with 2
Category

21st Century and Contemporary Engagement Rings

Materials

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

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Natural No Heat Sapphire For Sale on 1stDibs

On 1stDibs, you can find the most appropriate natural no heat sapphire for your needs in our varied inventory. Every item for sale was constructed with extraordinary care, often using Gold, Platinum and 18k Gold. In our selection of items, you can find a vintage example as well as a contemporary version. Making the right choice when shopping for a natural no heat sapphire may mean carefully reviewing examples of this item dating from different eras — you can find an early iteration of this piece from the 19th Century and a newer version made as recently as the 21st Century, both of which have proven very popular over the years. For this particular accessory, there are many different carat weights to choose from, but 1.5 Carat and 2 Carat versions are of considerable interest. A natural no heat sapphire from Dover Jewelry, Antinori Fine Jewels and Andreoli — each of whom created a beautiful version of this treasured accessory — is worth considering. See these pages for an oval cut iteration of this accessory, while there are also cushion cut cut and round cut cut versions available here, too. When shopping for a natural no heat sapphire, you’ll find that there are less available pieces for unisex or men today than there are for women.

How Much is a Natural No Heat Sapphire?

On average, a natural no heat sapphire at 1stDibs sells for $14,400, while they’re typically $1,200 on the low end and $650,000 for the highest priced versions of this item.

The Legacy of Sapphire in Jewelry Design

On 1stDibs, shop the bright blue gems that star in sapphire rings, sapphire necklaces and other vintage and antique sapphire jewelry

Sapphires — the stone of choice for Napoleon, Princess Diana and Elizabeth Taylor — have been a favorite of aristocrats and the well-to-do since the time of the Ancient Greeks.

Picture a sapphire. If the stone you conjure is a deep cornflower blue, you’re seeing only part of the picture. Although blue Kashmirs are considered the most valuable, sapphires come in every color except red. No matter the hue, this very special gem is rich in history and beloved by royals (FYI, Princess Diana and Kate Middleton share an 11-carat sapphire engagement ring), so September babies are in very noble company.

America’s version of royalty — old money and celebrities — have also shown a predilection for the blue stones. In 1940, John D. Rockefeller Jr. had Cartier mount a 62-carat sapphire he had bought from an Indian maharajah in a brooch for his first wife, Abby Aldrich Rockefeller; in 2001, the piece sold for a then-record of $3,031,000 at Christie’s New York.

The grand dame of jewelry, Elizabeth Taylor had a passion for the gems that her lovers were happy to indulge. Second husband Michael Wilding gave her an engagement ring set with a cabochon sapphire, while Richard Burton famously presented her with a BVLGARI sautoir set with diamonds and sapphires, including at its center a cabochon Burmese weighing 52.72 carats. One of the star lots in the sale of Taylor’s jewels at the Christie’s New York in 2011, it sold for $5,906,500.

You don’t have to have blue blood or a bulging bank account, however, to get an eyeful of this much-coveted gem. A number of outstanding examples reside in public collections.

The Smithsonian Museum of Natural History owns the 423-carat Logan sapphire, a gift from the Guggenheim family, and the Hall sapphire and diamond necklace, designed by Harry Winston and featuring 36 fine, well-matched cushion-cut Sri Lankan sapphires weighing a combined 195 carats. Also in the collection is the Bismarck sapphire necklace, designed by Cartier and sporting a central sapphire weighing 98.6 carats, which Mona Von Bismarck donated to the museum.

Sapphires are composed of corundum. Their color derives from trace elements, such as iron, titanium, chromium, copper or magnesium. When the trace element produces a ruby hue, the stone is called, what else, a ruby. (which is, as mentioned above, why sapphires cannot be red by definition).

The allure of large gemstones endures throughout the periods characterized as vintage, and sapphire features frequently in vintage engagement rings. (On 1stDibs, a range of buying guides can be found for those in the market for antique engagement ringsvintage engagement rings or Art Deco engagement rings.)  

Find an exquisite collection of vintage and antique sapphire jewelry on 1stDibs.

Questions About Natural 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.
  • 1stDibs ExpertApril 5, 2022
    Yes, Parti sapphires are indeed natural and cannot be manufactured in a lab. Three different colors can be seen in this stone, a mixture of blue, green and yellow. You can shop a collection of expertly vetted gems from some of the world’s top sellers on 1stDibs.
  • 1stDibs ExpertMarch 3, 2023
    One way to tell if a star sapphire is natural is to shine a flashlight on it while in total darkness. On a genuine star sapphire, the light that reflects off of the stone will be the same color as the stone. Glass and other materials used to create synthetic stones may show reflections in different colors. To be certain of the authenticity of a gemstone, take it to an experienced jeweler or appraiser for an evaluation. On 1stDibs, find a selection of star sapphire jewelry.
  • 1stDibs ExpertMay 5, 2023
    How much a 1-carat natural sapphire is worth depends on its color, cut and quality. Sapphires can range in value from $25 to thousands of dollars per carat. A certified appraiser or knowledgeable jewelry expert can examine a particular gemstone piece and give you an estimate of its value. On 1stDibs, find a collection of sapphire gemstone jewelry.