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SSEF Certified 4 Carat Cushion Vivid Blue No Heat Kashmir Sapphire Ring
By Antinori Fine Jewels
Located in Chicago, IL
Incredible GIA 4 carat cushion cut sapphire. It is a magnificent gem from KASHMIR, the best
Category

2010s Italian Modern More Jewelry

Materials

Blue Sapphire, Sapphire, Blue Diamond, White Diamond, Diamond

14K Yellow Gold 4/5 Carat Cushion Cut Blue Sapphire Solitaire Pendant Necklace
Located in New York, NY
Immerse yourself in the enchanting allure of our 14K Yellow Gold 4/5 Cttw Natural Cushion Cut Blue
Category

21st Century and Contemporary Indian Modern Pendant Necklaces

Materials

Blue Sapphire, 14k Gold, Yellow Gold

18k White Gold 4 Ct Royal Blue Cushion Cut Sapphire 4 Carats and 2 Baguette Sap.
By Valérie Danenberg
Located in PARIS, FR
Carat Royal Blue Cushion Cut Sapphire 2 Royal Blue Baguette Cut Sapphires: 1.51 Carats
Category

2010s French Art Deco Engagement Rings

Materials

Blue Sapphire, Sapphire, 18k Gold, White Gold

Cushion Mixed-Cut Sapphire 4, 32ct no heat and Diamond Ring
Located in Firenze, IT
Centering a cushion mixed-cut sapphire, weighing 4,32 carats, within a round and baguette-cut
Category

Vintage 1950s Italian Retro Cluster Rings

Materials

Diamond, Sapphire, 18k Gold, White Gold

Platinum 3.21 Carat Cushion Cut Blue Sapphire Sculpture Ring
By Thomas Kurilla Jewelry
Located in New York, NY
Platinum 3.21 Carat Cushion Cut Blue Sapphire Sculpture Ring, Tiffany Designer, Thomas Kurilla is
Category

2010s North American Contemporary Fashion Rings

Materials

Blue Sapphire, Platinum

Platinum 7.52 Carat Cushion Cut Blue Sapphire and Diamond Engagement Ring
Located in Miami, FL
: 10.21 grams  Stone Details:  - Gemstone: Blue Sapphire - Carat: 7.52 - Color: Blue - Cut: Cushion
Category

21st Century and Contemporary Art Deco Engagement Rings

Materials

Diamond, Sapphire, Blue Sapphire, Platinum

Unheated Platinum Sapphire Ring, 7.06 Carat Cushion Cut GIA Certified
Located in Tampa, FL
New platinum untreated sapphire ring containing a cushion cut natural blue Ceylon sapphire
Category

2010s Sri Lankan Engagement Rings

Materials

Diamond, Sapphire, Blue Sapphire, Platinum

Platinum 4.0 Carat Vivid Cushion Cut Blue Sapphire Sculpture Ring
By Thomas Kurilla
Located in New York, NY
Platinum Vivid Cushion Cut Blue Sapphire Sculpture Ring, Tiffany Designer, Thomas Kurilla is
Category

2010s American Contemporary Cocktail Rings

Materials

Blue Sapphire, Platinum

14 Karat Gold Cushion Teal Sapphire Vintage Diamond Ring Center, 3/4 Carat
Located in San Francisco, CA
blue cushion shape sapphire, accented with round brilliant diamonds. Experience the difference in
Category

21st Century and Contemporary American More Rings

Materials

Diamond, Sapphire, Yellow Gold

Stunning 5.28 Carat Cushion Cut Sapphire Diamond Gold Engagement Ring
Located in New York, NY
Made of 18k yellow gold, this ring is centered with a vivid blue cushion cut Ceylon sapphire that
Category

20th Century Engagement Rings

Materials

Diamond, Sapphire, 18k Gold, Yellow Gold

14 Karat Yellow Gold Cushion Pink Sapphire Vintage Diamond Ring Center-3/4 Carat
Located in San Francisco, CA
the difference in person! Product details: Center Gemstone Type: SAPPHIRE Center Gemstone Carat
Category

21st Century and Contemporary American More Rings

Materials

Pink Sapphire, Sapphire, Diamond, Yellow Gold

Edwardian Inspired 2.06 Carat Cushion Cut Sapphire Diamond Platinum Cluster Ring
Located in Beverly Hills, CA
Center Stone: Sapphire Cut: Cushion Cut Weight: 2.06 Carat Color: Deep Blue Accent Stone: 18
Category

Vintage 1920s Edwardian Cocktail Rings

Materials

Diamond, Sapphire, Platinum

Natural 1.96 Carat Cushion Cut Blue Sapphire & Diamond Platinum Trilogy Ring
Located in Hamilton, AU
cushion cut bright blue Ceylon sapphire is 1.96 carats and measures 7.5x7.4x4.0 millimetres. The two
Category

21st Century and Contemporary Australian Contemporary Engagement Rings

Materials

Diamond, Sapphire, Blue Sapphire, Platinum

14 Karat Gold Cushion Pink Sapphire and Diamond Halo Ring Center 3/4 Carat
Located in San Francisco, CA
! Product details: Center Gemstone Type: SAPPHIRE Center Gemstone Carat Weight: 0.75 Center Gemstone
Category

21st Century and Contemporary American More Rings

Materials

Diamond, Sapphire, Yellow Gold

6.27 Carat Cushion Sapphire Trillion Cut Diamond Gold Ring
Located in Poitiers, FR
18K White gold ring, eagle head hallmark. Featuring a 4 x 2 claw set cushion cut blue sapphire
Category

2010s French Modern Engagement Rings

Materials

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

6.41 Carat Cushion Cut Blue Topaz Sapphire Diamond Yellow Gold Cocktail Ring
By Roshe Jewels
Located in Los Angeles, CA
weighs 3.93 Carats 14 Round Cut Blue Topaz that weigh 1.73 Carats 14 Round Cut Pink Sapphires that weigh
Category

21st Century and Contemporary American Contemporary Cocktail Rings

Materials

Blue Topaz, Topaz, Pink Sapphire, Sapphire, Diamond, Yellow Gold, 14k Gold

Certified Natural 16.39 Carat Cushion Cut Yellow Sapphire and Diamond Ring
Located in London, GB
. Central Ceylon (Sri Lanka) yellow sapphire, cushion cut, weighing 16.39ct, certified, natural untreated
Category

Vintage 1960s British Modern Cluster Rings

Materials

Diamond, Yellow Sapphire, 18k Gold, Yellow Gold

AGL Certified 10.26 Carat Cushion Cut Pink Sapphire, Ruby, & Diamond Necklace
Located in Miami, FL
AGL certified 10.26 carat cushion cut pink sapphire necklace. Adorned with 20 round cut white
Category

21st Century and Contemporary Belle Époque Chain Necklaces

Materials

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

Art Nouveau Gold Ring with Cushion Cut Diamond and Two Cushion Cut Sapphires
By G.H. Palfrey
Located in MELBOURNE, VIC
two cushion old-cut Australian Sapphires, total estimated 0.90 carats. Stones are set in platinum
Category

Antique Late 19th Century Australian Art Nouveau Fashion Rings

Materials

Diamond, Sapphire, Gold, Platinum

18 Karat Rose Gold 4.0 Carat Cushion Cut Blue Sapphire Sculpture Ring
By Thomas Kurilla
Located in New York, NY
18 Karat Rose Gold Cushion Cut Blue Sapphire Sculpture Ring, Tiffany Designer, Thomas Kurilla is
Category

2010s American Contemporary Fashion Rings

Materials

Blue Sapphire, 18k Gold, Rose Gold

1.05 Carat Adorable Loose Sapphire Cushion Shape Gemstone
Located in Peshawar, PK
Loose Sapphire Weight: 1.55 Carats Sizes: 5.7 x 4.7 x 4 Mm Origin: Madagascar Treatment: Heat
Category

21st Century and Contemporary Malagasy Arts and Crafts Loose Gemstones

Materials

Sapphire

2.67 Carat Sapphire Pendant Long Cushion Cut East West GIA Certified 18K Gold
Located in New York, NY
This 2.67 Carat *Sapphire Cushion Cut* GIA Certified Pendant adorned by a halo of baguette and
Category

21st Century and Contemporary Taiwanese Pendant Necklaces

Materials

Sapphire, 18k Gold, White Gold

18 Karat Yellow Gold 4.0 Carat Vivid Cushion Cut Blue Sapphire Sculpture Ring
By Thomas Kurilla
Located in New York, NY
18 Karat Yellow Gold Vivid Cushion Cut Blue Sapphire Sculpture Ring, Tiffany Designer, Thomas
Category

2010s American Contemporary Fashion Rings

Materials

Blue Sapphire, 18k Gold, Yellow Gold

1.01 Carat Cushion Pink Sapphire GIA Certified East Africa Unheated
Located in Toronto, Ontario
: 1216697757 Shape: Cushion Cutting Style: Cutting Style: Crown: Modified Brilliant Cut Cutting Style: Pavilion
Category

2010s Unknown Loose Gemstones

Materials

Pink Sapphire

7.77 Carat Royal Blue Sapphire Ceylon No Heat Cushion Cut and Diamond Ring
Located in Miami, FL
over 1 carat each and round cut diamonds on the shank and basket. Mounted in an open back 4 prong
Category

21st Century and Contemporary Modern Engagement Rings

Materials

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

1.90 CT Cushion Cut Sapphire and Diamond Pink Gold Necklace
Located in Laguna Hills, CA
mm in diameter. The deep blue and sparkling sapphire is cushion cut and measures 6.63 x 6.30 x 4.50
Category

21st Century and Contemporary American Contemporary Drop Necklaces

Materials

Diamond, Sapphire, Gold

0.84 Carat Cushion Orangy Pink Padparadscha Sapphire GIA Certified Madagascar
Located in Toronto, Ontario
Report Number: 6224341682 Shape: Cushion Cutting Style: Cutting Style: Crown: Brilliant Cut Cutting Style
Category

2010s Malagasy Loose Gemstones

Materials

Sapphire, Padparadscha Sapphire

Platinum GIA Certified Asscher Cut Diamond Halo Cushion Cut Blue Sapphire Ring
Located in Los Angeles, CA
Ring Metal- 90% Platinum, 10% Iridium. Stones- GIA Certified Cushion Cut Ceylon Royal Blue Sapphire
Category

2010s American Art Deco Engagement Rings

Materials

Diamond, Blue Sapphire, Platinum

Diamond Cushion Cut Natural Sapphire 14kW Gold Engagement Ring New
Located in Los Angeles, CA
Diamond Cushion Sapphire 14k White Gold Engagement Ring Mounting: 14K white gold 1/3 Carat total
Category

2010s American Modernist Wedding Rings

Materials

Diamond, Sapphire, Gold

GIA Certified Natural 1.76 ct Blue Ceylon Sapphire Platinum Ring Cushion Cut.
Located in Tampa, FL
platinum sapphire ring featuring a cushion-cut natural blue sapphire from Sri Lanka. The sapphire measures
Category

2010s Sri Lankan Modern Engagement Rings

Materials

Diamond, Sapphire, Blue Sapphire, Platinum

14 Karat Yellow Gold Elongated Cushion Pink Diamond Ring Center, 4/5 Carat
Located in San Francisco, CA
pink elongated cushion shape sapphire, accented with round brilliant diamonds. Experience the
Category

21st Century and Contemporary American More Rings

Materials

Diamond, Sapphire, Yellow Gold

1.4ct Cushion Blue Sapphire from Nigeria
Located in Toronto, Ontario
3.67 mm Shape: Cushion Cutting Style Crown: Modified Brilliant Cut Cutting Style Pavilion: Step Cut
Category

2010s Nigerian Loose Gemstones

Materials

Blue Sapphire

1.4ct Cushion Blue Sapphire from Nigeria
1.4ct Cushion Blue Sapphire from Nigeria
W 0.28 in D 0.15 in L 0.23 in
1.79ct Cushion Yellow Sapphire from Tanzania, Unheated
Located in Toronto, Ontario
4.25 mm Shape: Cushion Cutting Style Crown: Brilliant Cut Cutting Style Pavilion: Step Cut
Category

2010s Tanzanian Loose Gemstones

Materials

Yellow Sapphire

GIA Certified 2.63 Carat Diamond with 4 Carats of Blue Sapphires Platinum Ring
Located in Miami, FL
. The Sapphires are Sugar Loaf Cut. There are 40 individual stones with the approximate weight of 4
Category

2010s Fashion Rings

Materials

Diamond, Sapphire, Blue Sapphire, Platinum

Platinum 2.87 Carat Cushion Cut Emerald Sculpture Ring
By Thomas Kurilla Jewelry
Located in New York, NY
Platinum 2.87 Carat Cushion Cut Emerald Sculpture Ring, Tiffany Designer, Thomas Kurilla is
Category

2010s North American Contemporary Fashion Rings

Materials

Emerald, Platinum

3.50ct Round Diamond & Cushion Cut Sapphire 7 Stone Band in 18KT Gold
Located in New York, NY
• Number of Cushion Sapphires: 3 • Carat Weight 1.88ctw • This 7 stone band is made with 4 alternating
Category

2010s American Modern Band Rings

Materials

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

1.52ct Cushion Yellow Sapphire from Tanzania
Located in Toronto, Ontario
4.26 mm Shape: Cushion Cutting Style Crown: Brilliant Cut Cutting Style Pavilion: Step Cut
Category

2010s Tanzanian Loose Gemstones

Materials

Yellow Sapphire

1.4ct Cushion Pink Sapphire from Tanzania
Located in Toronto, Ontario
3.66 mm Shape: Cushion Cutting Style Crown: Brilliant Cut Cutting Style Pavilion: Step Cut
Category

2010s Tanzanian Loose Gemstones

Materials

Pink Sapphire

1.4ct Cushion Pink Sapphire from Tanzania
1.4ct Cushion Pink Sapphire from Tanzania
W 0.27 in D 0.15 in L 0.23 in
1.57ct Cushion Yellow Sapphire from Tanzania
Located in Toronto, Ontario
4.36 mm Shape: Cushion Cutting Style Crown: Brilliant Cut Cutting Style Pavilion: Step Cut
Category

2010s Tanzanian Loose Gemstones

Materials

Yellow Sapphire

1.25ct Cushion Blue Sapphire from Tanzania
Located in Toronto, Ontario
3.10 mm Shape: Cushion Cutting Style Crown: Brilliant Cut Cutting Style Pavilion: Step Cut
Category

2010s Tanzanian Loose Gemstones

Materials

Blue Sapphire

1.25ct Cushion Blue Sapphire from Tanzania
1.25ct Cushion Blue Sapphire from Tanzania
W 0.27 in D 0.13 in L 0.24 in
1.82ct Cushion Purple Sapphire from Tanzania Unheated
Located in Toronto, Ontario
4.00 mm Shape: Cushion Cutting Style Crown: Brilliant Cut Cutting Style Pavilion: Step Cut
Category

2010s Tanzanian Loose Gemstones

Materials

Purple Sapphire, Sapphire

1.45ct Cushion Purple Sapphire from Tanzania Unheated
Located in Toronto, Ontario
3.71 mm Shape: Cushion Cutting Style Crown: Brilliant Cut Cutting Style Pavilion: Step Cut
Category

2010s Tanzanian Loose Gemstones

Materials

Sapphire

4.84ct Cushion Orange Sapphire from Tanzania Unheated
Located in Toronto, Ontario
6.01 mm Shape: Cushion Cutting Style Crown: Brilliant Cut Cutting Style Pavilion: Step Cut
Category

2010s Tanzanian Loose Gemstones

Materials

Sapphire

Cushion Cut Blue Sapphire and Half-Moon Diamond Three Stone Ring
Located in London, GB
platinum. The piece is predominantly set with a natural cushion cut blue sapphire which is securely four
Category

2010s British Modern Three-Stone Rings

Materials

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

1.38ct Cushion Orange Sapphire from Tanzania, Heated
Located in Toronto, Ontario
3.61 mm Shape: Cushion Cutting Style Crown: Brilliant Cut Cutting Style Pavilion: Step Cut
Category

2010s Tanzanian Loose Gemstones

Materials

Sapphire

1.12ct Cushion Purple Sapphire from Tanzania, Unheated
Located in Toronto, Ontario
3.35 mm Shape: Cushion Cutting Style Crown: Brilliant Cut Cutting Style Pavilion: Step Cut
Category

2010s Tanzanian Loose Gemstones

Materials

Sapphire

Stunning 1.28 Carat Old Mine Cushion Cut Diamond Platinum Engagement Ring
Located in New York, NY
This magnificent platinum engagement ring is centered with a sparkling old mine cushion cut diamond
Category

Early 20th Century Art Deco Engagement Rings

Materials

Diamond, Sapphire, Platinum

1.85ct Cushion Pink Sapphire from Tanzania Unheated
Located in Toronto, Ontario
3.92 mm Shape: Cushion Cutting Style Crown: Brilliant Cut Cutting Style Pavilion: Step Cut
Category

2010s Tanzanian Loose Gemstones

Materials

Pink Sapphire

1.23ct Cushion Pink Sapphire from Tanzania Unheated
Located in Toronto, Ontario
3.78 mm Shape: Cushion Cutting Style Crown: Brilliant Cut Cutting Style Pavilion: Step Cut
Category

2010s Tanzanian Loose Gemstones

Materials

Pink Sapphire

2.46ct Cushion Blue Sapphire from Tanzania Unheated
Located in Toronto, Ontario
5.41 mm Shape: Cushion Cutting Style Crown: Brilliant Cut Cutting Style Pavilion: Step Cut
Category

2010s Tanzanian Loose Gemstones

Materials

Blue Sapphire

1.43ct Cushion Yellow Sapphire from Tanzania, Unheated
Located in Toronto, Ontario
3.78 mm Shape: Cushion Cutting Style Crown: Brilliant Cut Cutting Style Pavilion: Step Cut
Category

2010s Tanzanian Loose Gemstones

Materials

Yellow Sapphire

Art Deco Style Platinum Halo Diamond Cushion Cut Blue Sapphire Engagement Ring
Located in Los Angeles, CA
Sapphire 4.40 Carats. Two Pear Shape Diamonds, 4 Princess Cut Diamonds, 170 Round Diamonds, F-G Color VS1
Category

21st Century and Contemporary American Art Deco Engagement Rings

Materials

Diamond, Blue Sapphire, Platinum

Suzy Levian 14 Karat White Gold Cushion-Cut Pink Sapphire and Diamond Ring
By Suzy Levian
Located in Great Neck, NY
elongated-cushion cut pink sapphire center stands out as it is highlighted by 78 surrounding round white
Category

21st Century and Contemporary Hong Kong Contemporary Cocktail Rings

Materials

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

2ct Cushion Blue Sapphire from Sri Lanka
Located in Toronto, Ontario
4.53 mm Shape: Cushion Cutting Style Crown: Brilliant Cut Cutting Style Pavilion: Step Cut
Category

2010s Sri Lankan Loose Gemstones

Materials

Blue Sapphire

2ct Cushion Blue Sapphire from Sri Lanka
2ct Cushion Blue Sapphire from Sri Lanka
W 0.29 in D 0.18 in L 0.25 in
2.14ct Cushion Blue Sapphire from Sri Lanka
Located in Toronto, Ontario
3.52 mm Shape: Cushion Cutting Style Crown: Brilliant Cut Cutting Style Pavilion: Step Cut
Category

2010s Sri Lankan Loose Gemstones

Materials

Blue Sapphire

Cushion Cut Yellow Sapphire & Diamond Pendant with Leaf Design in 18K White Gold
Located in Scottsdale, AZ
. Gemstone: Sapphire Sapphire Count: 1 Sapphire Cut: Cushion Sapphire Color: Orange/Yellow Sapphire Carat
Category

21st Century and Contemporary Unknown Contemporary Pendant Necklaces

Materials

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

2.26ct Cushion Orange-Brown Sapphire from Tanzania, Unheated
Located in Toronto, Ontario
3.98 mm Shape: Cushion Cutting Style Crown: Brilliant Cut Cutting Style Pavilion: Step Cut
Category

2010s Tanzanian Loose Gemstones

Materials

Sapphire

1.34ct Cushion Pink-Orange Padparadscha Sapphire from Tanzania
Located in Toronto, Ontario
3.26 mm Shape: Cushion Cutting Style Crown: Brilliant Cut Cutting Style Pavilion: Step Cut
Category

2010s Tanzanian Loose Gemstones

Materials

Sapphire

1.15ct Cushion Pinkish-Orange Sapphire from Tanzania Unheated
Located in Toronto, Ontario
3.12 mm Shape: Cushion Cutting Style Crown: Brilliant Cut Cutting Style Pavilion: Step Cut
Category

2010s Tanzanian Loose Gemstones

Materials

Sapphire

Platinum Diamond Cushion Cut GIA Certified 4.71 No Heat Blue Sapphire Ring
Located in Los Angeles, CA
!!!! Handmade in Platinum 4.71 Cushion Cut No Heat Cornflower Blue Sri Lanka Sapphire Engagement Ring. This
Category

21st Century and Contemporary American Art Deco Engagement Rings

Materials

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

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4 Carat Cushion Cut Sapphire For Sale on 1stDibs

You are likely to find exactly the 4 carat cushion cut sapphire you’re looking for on 1stDibs, as there is a broad range for sale. Each design created in this style — which was crafted with great care and often made from gold, 18k gold and white gold — can elevate any look. Find an antique version now, or shop for 508 vintage or 553 modern creation for a more contemporary example of these cherished accessories. If you’re looking for a 4 carat cushion cut sapphire from a specific time period, our collection is diverse and broad-ranging, and you’ll find at least one that dates back to the 19th Century while another version may have been produced as recently as the 21st Century. There have been many well-made iterations of the classic 4 carat cushion cut sapphire over the years, but those made by Polya Medvedeva Jewellery, Roshe Jewels and Gems and Jewels UK are often thought to be among the most beautiful. See these pages for a cushion cut iteration of this accessory, while there are also antique cushion cut cut and oval cut cut versions available here, too. There aren’t many items for men if you’re seeking a 4 carat cushion cut sapphire, as most of the options available are for women and unisex.

How Much is a 4 Carat Cushion Cut Sapphire?

The price for a 4 carat cushion cut sapphire starts at $70 and tops out at $432,205 with these rings, on average, selling for $8,337.

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.