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12 Carat Oval Blue Sapphire

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Blue Sapphire Dangle Earrings Diamonds 1.96 Carats 10K White Gold
Located in Punta Gorda, FL
It comes with the Gemological Appraisal by GIA GG/AJP All gemstones are natural 2 Blue Sapphires
Category

21st Century and Contemporary Contemporary Dangle Earrings

Materials

Diamond, White Diamond, Blue Sapphire, Gold, 10k Gold, White Gold

18K White Gold Oval Cut Natural Blue Sapphire Bezel Diamond East West Ring
By Gad Co.
Located in Miami, FL
textured ribbed bezel set of diamond side stones and a vivid oval cut Blue Sapphire. Dainty 2mm thin band
Category

2010s North American Modern Cocktail Rings

Materials

Diamond, Blue Sapphire, 18k Gold, White Gold

Platinum 18K Yellow Gold Oval 7.12 Carat No Heat Sapphire and Diamond Ring
Located in San Francisco, CA
Burmese Un-Heated Blue Sapphire surrounded by twelve (12) brilliant round diamonds in a total weight of
Category

21st Century and Contemporary American Cocktail Rings

Materials

Diamond, Sapphire, Yellow Gold, Platinum

1.06 Carat Natural Royal Blue Sapphire Diamond Ballerina Ring set in Platinum
Located in Tokyo, JP
A beautiful ring featuring 1.06 Carat Natural Blue Sapphire and 0.24 Carats Diamond Accents set in
Category

20th Century Japanese Modern Cocktail Rings

Materials

Diamond, Sapphire, Blue Sapphire, Platinum

Oval Shape Blue Sapphire Diamond Art Deco Style 14K White Gold Pendant
By Unbranded
Located in Oakton, VA
iconic Art Deco movement, this stunning pendant showcases an approx. 1.6 carat oval cut blue sapphire
Category

21st Century and Contemporary Art Deco Pendant Necklaces

Materials

Diamond, Sapphire, 14k Gold, White Gold

18K White Gold Oval Blue Sapphire Baguette Diamond Channel and Bezel Set Ring
By Gad Co.
Located in Miami, FL
Stone Details: - Type: Sapphire - Carat: 2.0 (approx.) - Cut: Oval - Color: Blue - Measurements: 8 X 6.2
Category

20th Century North American Modern Band Rings

Materials

Diamond, Blue Sapphire, White Gold, 18k Gold

GIA Certified 1.27 Carat Kashmir No Heat Blue Sapphire And Diamond Earrings
By Rewa Jewellery
Located in Bangkok, TH
white gold. The centre piece is of natural untreated oval shaped Blue sapphire weighing approximately
Category

2010s Thai Modern Stud Earrings

Materials

Diamond, Blue Sapphire, 18k Gold, White Gold

14K White Gold Diamond Halo GIA 2.25 Carat Royal Blue Sapphire Engagement Ring
Located in Los Angeles, CA
DeKara Designs Collection Metal- 14K White Gold, .583. Stones- 1 Oval Blue Sapphire 2.25 Carats
Category

21st Century and Contemporary American Modern Engagement Rings

Materials

Diamond, Blue Sapphire, 14k Gold, White Gold

11.92 Carat Natural Unheated Blue Sapphire and Diamond 18ct Gold Cocktail Ring
Located in London, GB
A one of a kind statement ring featuring a beautiful oval cut blue sapphire weighing an impressive
Category

1990s American Art Nouveau Cocktail Rings

Materials

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

2.01 Carat Blue Sapphire 0.61 Carat SI/H Diamond Earrings 14 Karat White Gold
By Spectrum Jewels
Located in Diera, Dubai
. :- 0.61 Ct. ( AVERAGE DIAMOND CLARITY SI1-SI2 & COLOR H-I ) Blue Sapphire Wt. :- 2.01 Ct. Earrings Size
Category

21st Century and Contemporary Indian Modern Stud Earrings

Materials

Diamond, Blue Sapphire, White Gold, 14k Gold

2.01 Carat Blue Sapphire 0.61 Carat SI/H Diamond Earrings 18 Karat White Gold
By Spectrum Jewels
Located in Diera, Dubai
. :- 0.61 Ct. ( AVERAGE DIAMOND CLARITY SI1-SI2 & COLOR H-I ) Blue Sapphire Wt. :- 2.01 Ct. Earrings Size
Category

21st Century and Contemporary Indian Modern Stud Earrings

Materials

Diamond, Blue Sapphire, 18k Gold, White Gold

NWT $12, 500 Exquisite 18KT Magnificent Fancy Blue Sapphire Diamond Hoop Earring
Located in New York, NY
Sapphire Hoops comprised of approx 13CTS Carats of Fine Gorgeous Glittering Oval Blue Sapphires and
Category

21st Century and Contemporary Hoop Earrings

Materials

Diamond, Blue Sapphire, Gold, 18k Gold

Blue Sapphire and Diamond Stud Earrings in 18k White Gold 2.56 Carats Total
By Sarosi By Timeless Gems
Located in Los Angeles, CA
These beautiful stud earrings feature bright "cornflower" blue sapphires weighing 2.56 carats, set
Category

21st Century and Contemporary North American Artisan Stud Earrings

Materials

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

Oval Natural Blue Sapphires and Diamonds Chandelier Earrings in 18K White Gold
Located in Old Tappan, NJ
18K white gold chandelier earrings with 273 round diamonds weighing 3.70 carats total and 12 oval
Category

2010s American Contemporary Dangle Earrings

Materials

Diamond, Blue Sapphire, 18k Gold, White Gold

Oval Shape Blue Sapphire Diamond Antique Style Floral Engagement 14K Gold Ring
By Unbranded
Located in Oakton, VA
blue oval cut sapphire within a halo surround of 12 round diamonds and 10 marquise sapphires. Each
Category

21st Century and Contemporary Art Deco Engagement Rings

Materials

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

6.67 Carat Cornflower Blue Sapphire and Diamond Cocktail Ring in 18k Gold
By Sarosi By Timeless Gems
Located in Los Angeles, CA
A brilliant, 6.67 carat cornflower blue sapphire sits center stage in this spectacular 18k white
Category

21st Century and Contemporary American Artisan Cocktail Rings

Materials

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

2.18 Carat Oval Cut Sapphire and Diamond Ring in 18k White Gold
Located in NEW YORK, NY
Features a gorgeous flower design 2.18 carat oval cut blue sapphire ring surrounded by a row of
Category

21st Century and Contemporary American Contemporary Fashion Rings

Materials

Diamond, Sapphire, 18k Gold, White Gold

Blue Sapphire Diamond Halo Art Deco Style Oval Floral White Gold Stud Earrings
By Unbranded
Located in Oakton, VA
oval blue sapphire and round cut diamond set in white gold. Each features .30 carat sapphire center
Category

21st Century and Contemporary Art Deco Stud Earrings

Materials

Diamond, Sapphire, 14k Gold, White Gold

Oval Cut Blue Sapphire Diamond Art Deco Style Omega 14K White Gold Earrings
By Unbranded
Located in Oakton, VA
Type: Sapphire Shape: Oval Size: 6 x 5 mm. Number: 2 Weight: 1.60 Carat (approx. in total) Additional
Category

21st Century and Contemporary Art Deco Clip-on Earrings

Materials

Diamond, Sapphire, 14k Gold, White Gold

Art Deco Style 12 Carat Cabochon Sapphire Diamond 18K Gold Bracelet
Located in Miami, FL
: Cabochon (Oval) Total Carat Weight: Approximately 12 carats Quantity: 6 pieces Dimensions: 7.6 x 5.8mm each
Category

Vintage 1930s Art Deco Link Bracelets

Materials

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

Ceylon Oval Shape Blue Sapphire Diamond Halo Antique Style 18K Yellow Gold Ring
By Unbranded
Located in Oakton, VA
A sapphire ring in yellow gold with diamonds. An exquisite oval sapphire, weighing 0.85 carats
Category

21st Century and Contemporary Art Deco Engagement Rings

Materials

Diamond, Sapphire, 14k Gold, Yellow Gold

Angara Natural Oval Sapphire Tennis Bracelet with Gypsy Diamonds 14K Solid Gold
By ANGARA INC.
Located in Los Angeles, CA
adorned with oval sapphires and gypsy-set illusion diamonds. The blue gems and brilliant diamonds are
Category

21st Century and Contemporary American Modern Tennis Bracelets

Materials

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

Platinum Baguette Diamond GIA Certified Oval 4.05 No Heat Blue Sapphire Ring
Located in Los Angeles, CA
!!!! Handmade Platinum 4.05 Oval No Heat Cornflower Blue Sri Lanka Sapphire Engagement Ring. This ring features
Category

21st Century and Contemporary American Art Deco Engagement Rings

Materials

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

Natural 7.08 Carat Blue Ceylon Sapphire Diamond Halo Ring in Platinum
Located in Honolulu, HI
12 round brilliant diamonds surrounding this beautiful oval blue Sapphire. This quality Gem Sapphire
Category

21st Century and Contemporary American Modern Cocktail Rings

Materials

Diamond, Sapphire, Platinum

Diamond Blue Sapphire Ring 14k Gold Women 1.67 TCW Certified
Located in Brooklyn, NY
Stone Cut: Oval Mixed Cut Stone Color: Blue Transparency: Transparent Saturation: Moderate Measurement
Category

2010s American Wedding Rings

Materials

Diamond, Sapphire, Blue Sapphire, 14k Gold

Natural 1.14 Carat Blue Sapphire and Diamond Cluster Ring in 18K White Gold
By Gad Co.
Located in Miami, FL
A natural 1.14-carat oval-cut blue sapphire takes center stage in this exquisite 18K white gold
Category

2010s North American Art Deco Engagement Rings

Materials

Diamond, Blue Sapphire, 18k Gold, White Gold

Classic Platinum GIA 1.92ctw Oval Royal Blue Ceylon Sapphire Diamond Halo Ring
Located in Montclair, NJ
--Stone(s):-- (1) Natural Genuine Sapphire - Oval Brilliant Step Cut - Prong Set - Royal Blue Color
Category

21st Century and Contemporary Cocktail Rings

Materials

Diamond, Sapphire, Platinum

5 Ct Oval Deep Blue Sapphire Baguette Diamonds Engagement Ring 18K White Gold
By VR Jewels
Located in New York, NY
This elegant engagement ring features a stunning 5-carat oval-cut deep blue sapphire as the
Category

21st Century and Contemporary American Art Deco Engagement Rings

Materials

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

Platinum 1.71ctw Oval Royal Blue Sapphire w/ Diamond Halo Bypass Design Ring
Located in Montclair, NJ
--Stone(s):-- (1) Natural Genuine Sapphire - Oval Brilliant Cut - Prong Set - Very Nice Royal Blue
Category

21st Century and Contemporary Cocktail Rings

Materials

Diamond, Sapphire, Platinum

Platinum GIA 1.7ct Oval Royal Blue Sapphire Marquise Diamond Spray Sides Ring
Located in Montclair, NJ
--Stone(s):-- (1) Natural Genuine Sapphire - Oval Brilliant Cut - Prong Set - Gorgeous True Royal
Category

21st Century and Contemporary Cocktail Rings

Materials

Diamond, Sapphire, Platinum

Natural Blue Sapphire Stone 2.66 carats in 18KWG Ring with Diamonds / GIA Report
Located in Los Angeles, CA
weighing 2.66 carats. Color: A vivid and intense blue, characteristic of high-quality sapphires. Color
Category

21st Century and Contemporary Malagasy Solitaire Rings

Materials

Diamond, Blue Sapphire, 18k Gold, White Gold

18K White Gold Deep Blue Sapphire Ring
Located in North Hollywood, CA
. This comes with a certificate with the total weight being 4.35 carats. This Sapphire is oval weight is
Category

Vintage 1960s British Modern Cocktail Rings

Materials

Diamond, Blue Sapphire, White Gold, 18k Gold

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

6.80 Carats Natural Blue Sapphire and Diamond 14K Solid White Gold Ring
Located in Los Angeles, CA
6.80 Carats Natural Blue Sapphire and Diamond 14K Solid White Gold Ring Total Blue Sapphire Weight
Category

2010s American Cocktail Rings

Materials

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

Peter Suchy GIA Certified 1.45 Carat Sapphire Diamond Gold Pendant Necklace
By Peter Suchy
Located in Stamford, CT
Sapphire and diamond pendant necklace. Natural untreated GIA certified 1.45 carat oval blue
Category

21st Century and Contemporary Pendant Necklaces

Materials

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

Platinum Art Deco Pear Shape Diamond 8.59 Carat Blue Sapphire Engagement Ring
Located in Los Angeles, CA
Ring Metal- 90% Platinum, 10% Iridium. Stones- GIA Certified Ceylon/Sri Lanka Oval Blue Sapphire 8.59
Category

21st Century and Contemporary Art Deco Engagement Rings

Materials

Diamond, Blue Sapphire, Platinum

Vintage Style Blue Topaz Blue Sapphire Cocktail 14K Yellow Gold Cluster Ring
By Unbranded
Located in Oakton, VA
Weight: 2.40 Carat (approx. total weight) Gemstones II Type: Sapphire Shape: Oval Size: 5 x 4 & 4 x 3mm
Category

21st Century and Contemporary Cocktail Rings

Materials

Sapphire, Blue Topaz, 14k Gold, Yellow Gold, Rhodium

9.61 Carat Natural Fire Opal Multi Color Sapphire Yellow Gold Ring
By Roshe Jewels
Located in Los Angeles, CA
9.61 Carat Natural Fire Opal Multi Color Sapphire Yellow Gold Ring This ring has a Natural Oval
Category

21st Century and Contemporary American Contemporary Cocktail Rings

Materials

Fire Opal, Yellow Sapphire, Pink Sapphire, Blue Sapphire, Sapphire, Opal...

2.50 Carat Ceylon Sapphire and 0.75 Carat Diamond Platinum Engagement Ring
Located in Jesmond, Newcastle Upon Tyne
) Color Blue Cut Oval Content 2.50 carats Dimensions 8.70mm (length) x 6.10mm (width) x 5.50mm (depth
Category

Vintage 1970s Unknown Engagement Rings

Materials

Diamond, Sapphire, Platinum

Blue on Blue Sapphire Solitaire Ring Set in 18 Karat Yellow Gold
Located in London, GB
(Centre) 12/0.47 Carat Blue Sapphires (Sides)
Category

21st Century and Contemporary British Contemporary Solitaire Rings

Materials

Blue Sapphire, 18k Gold, Yellow Gold

14K Yellow Gold 1.0 Cttw Diamond and 6 1/2 Cttw Oval Blue Sapphire Link Bracelet
Located in New York, NY
of alternating oval blue sapphires and scintillating round diamonds. Each meticulously chosen natural
Category

21st Century and Contemporary American Modern Link Bracelets

Materials

White Diamond, Sapphire, 14k Gold, Yellow Gold

1.20 Carat Natural Sapphire and Diamond Ring Set in Platinum
Located in Tokyo, JP
A beautiful ring featuring 1.20 Carat Natural Sapphire and 0.17 Carats Diamond Accents set in
Category

21st Century and Contemporary Japanese Modern Engagement Rings

Materials

Diamond, Sapphire, Blue Sapphire, Platinum

Oval Sapphire, White Diamond, and 18 Karat White Gold Halo Pendant
Located in New York, NY
At the center of this stunning 18K white gold pendant rests a 0.62 carat, oval cut blue sapphire
Category

2010s American Pendant Necklaces

Materials

Sapphire, White Gold

5.87 Carat Amethyst Sapphire and Topaz White Gold Cocktail Ring
By Roshe Jewels
Located in Los Angeles, CA
5.87 Carat Amethyst Sapphire and Topaz White Gold Cocktail Ring This beautiful ring has a Oval Cut
Category

21st Century and Contemporary American Contemporary Cocktail Rings

Materials

Amethyst, Garnet, Sapphire, Topaz, Blue Topaz, 14k Gold, White Gold

Peter Suchy 1.53 Carat Opal Diamond Ruby Sapphire Yellow Gold Pendant Necklace
By Peter Suchy
Located in Stamford, CT
Suchy Workshop. 1 oval red/green/blue opal, approx. 1.53cts 12 round brilliant cut diamonds, G VS
Category

21st Century and Contemporary Pendant Necklaces

Materials

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

6 Carat Royal Blue No Heat Burma Star-Sapphire and Diamond Halo Ring in Platinum
By Gad Co.
Located in Miami, FL
: - Type: Star Sapphire - Carat: 6.03 - Cut: Cabochon - Shape: Oval - Color: Vivid Blue ("Royal Blue
Category

2010s Burmese Art Deco Cocktail Rings

Materials

Diamond, Star Sapphire, Platinum

5.72 Carat Sapphire and Diamond Yellow Gold Bracelet
Located in Jesmond, Newcastle Upon Tyne
A stunning, fine and impressive 5.72 carat sapphire and 1.10 carat diamond, 12 karat yellow gold
Category

Vintage 1950s Link Bracelets

Materials

Diamond, Sapphire, Yellow Gold

Solid Platinum 1.57ctw Oval Sapphire w/ Baguette Diamond Sides Bow Style Ring
Located in Montclair, NJ
--Stone(s):-- (1) Natural Genuine Sapphire - Oval Cut - Prong Set - Very Nice Royal Blue Color
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, Sapphire, Platinum

1.20 Carat Basaltic Sapphire 1.28 Carat Diamond Platinum Cluster Ring Circa 1935
Located in Jesmond, Newcastle Upon Tyne
Basaltic Color Blue Cut Oval Faceted Content 1.20 carats Dimensions 7.13mm (length) x 5.81mm (width) x
Category

Vintage 1930s Unknown Cluster Rings

Materials

Diamond, Sapphire, Platinum

French MAUBOUSSIN ALESSANDRA GIA 5.60ctw Blue Sapphire and Diamond 18k Ring
By Mauboussin
Located in New York, NY
-Shaped Sapphire, weighing approx. 3.60cts with an intense deep royal blue color, medium to dark tone
Category

2010s French Modern Fashion Rings

Materials

Blue Sapphire, Diamond, White Gold, 18k Gold

Bochic "Orient" Blue Sapphire Multi Fancy Sapphires Brooch 18K Gold Silver
By Bochic
Located in New York, NY
Bochic "Orient" Sapphire & Multi Fancy Sapphires Brooch in 18K Gold & Silver Blue Natural Oval
Category

21st Century and Contemporary Thai Belle Époque Brooches

Materials

Blue Sapphire, Pink Sapphire, Green Sapphire, 18k Gold, Gold Plate, Silver

Alex Jona Aquamarine Blue Sapphire White Gold Solitaire Ring
By Alex Jona
Located in Torino, Piedmont
carat oval cut Aquamarine. The shoulders are set with 22 blue sapphires weighing 0.36 carats in total
Category

2010s Italian Contemporary Solitaire Rings

Materials

Aquamarine, Blue Sapphire, 18k Gold, White Gold, Gold

Blue Sapphire Diamond Halo Band Ring in 14k Yellow Gold
Located in Honolulu, HI
: H Diamond Clarity: VS Gemstone Specifications: Gemstone: 1 blue sapphire Gemstone Carat Weight
Category

21st Century and Contemporary Unknown Modern Cocktail Rings

Materials

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

Alex Jona Aquamarine Blue Sapphire White Gold Solitaire Ring
By Alex Jona
Located in Torino, Piedmont
carat Aquamarine. The shoulders are set with blue sapphires weighing 0.37 carats in total. Ring size
Category

2010s Italian Contemporary Solitaire Rings

Materials

Aquamarine, Blue Sapphire, Gold, 18k Gold, White Gold

GIA Certified 1.96 Carat Unheated Sapphire and Diamond Ring made in Platinum
Located in Tokyo, JP
A beautiful ring featuring a GIA Certified 1.96 Carat Natural, Unheated Sapphire and 1.05 Carats
Category

21st Century and Contemporary Japanese Modern Cocktail Rings

Materials

Diamond, Sapphire, Blue Sapphire, Platinum

GIA Certified 1.51 Carat Natural Sapphire and Diamond Ring made in Platinum
Located in Tokyo, JP
A beautiful ring featuring a GIA Certified 1.51 Carat Natural Sapphire and 0.42 Carats Diamond
Category

21st Century and Contemporary Japanese Modern Cocktail Rings

Materials

Diamond, Sapphire, Blue Sapphire, Platinum

Vintage 18k Yellow Gold 12.90ctw GIA Oval Sapphire Diamond Statement Earrings
Located in Montclair, NJ
):-- (2) Natural Genuine Sapphires - Oval Brilliant Cut - Prong Set - Royal Blue Color - 8ctw (approx
Category

Vintage 1970s Stud Earrings

Materials

Diamond, Sapphire, 18k Gold, Yellow Gold

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12 Carat Oval Blue Sapphire For Sale on 1stDibs

You are likely to find exactly the 12 carat oval blue 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. In our selection of items, you can find a vintage example as well as a contemporary version. You’re likely to find the perfect 12 carat oval blue sapphire among the distinctive items we have available, which includes versions made as long ago as the 20th Century as well as those produced as recently as the 21st Century. For this particular piece, 1.5 Carat and 2 Carat are consistently popular carat weights. Finding an appealing 12 carat oval blue sapphire — no matter the origin — is easy, but Polya Medvedeva Jewellery, Alberto and Antinori Fine Jewels each produced a popular version that is worth a look. Today, if you’re looking for an oval cut version of this piece and are unable to find the perfect match, our selection also includes marquise cut alternatives. If you’re browsing our inventory for a 12 carat oval blue sapphire, 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 12 Carat Oval Blue Sapphire?

The price for a 12 carat oval blue sapphire starts at $642 and tops out at $360,000 with these rings, on average, selling for $14,595.

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.