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Natural Untreated Blue Diamond

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Certified Blue Sapphire & Diamond Signet Ring 'Natural & Untreated'
Located in London, GB
Blue Sapphire & Diamond Signet Ring displays a regal 1 carat natural blue sapphire at its centre
Category

2010s English Contemporary Signet Rings

Materials

Blue Sapphire, Sapphire, Diamond, 14k Gold

Certified 6 Carat Blue Sapphire Diamond Earring 'Natural & Untreated'
Located in London, GB
Gemstone: Natural untreated, Ceylon blue Sapphires AAAA highest heirloom quality Total weight of
Category

2010s Unknown Art Nouveau Drop Earrings

Materials

Diamond, Sapphire, Blue Sapphire, Platinum

GRS Certified Blue Sapphire Diamond Pendant Necklace 'Natural & Untreated'
Located in London, GB
Gemstone: Natural untreated, Ceylon blue Sapphire AAAA highest heirloom quality Total weight of
Category

2010s Unknown Art Deco Pendant Necklaces

Materials

Diamond, Sapphire, Blue Sapphire, 18k Gold

Certified 3 Carat Cornflower Blue Sapphire Diamond Ring 'Natural & Untreated'
Located in London, GB
Gemstone: natural untreated, Ceylon Blue Sapphire Colour: Cornflower blue Weight of Sapphire : 3
Category

2010s Unknown Art Nouveau Engagement Rings

Materials

Blue Sapphire, Sapphire, Diamond, Platinum

Emilio Jewelry Certified Natural untreated Cornflower Blue Sapphire Ring
By Emilio!
Located in New York, NY
Fifth Avenue, Featuring a true cornflower blue untreated Sri Lankan Ceylon Sapphire just over 5 Carats
Category

21st Century and Contemporary Three-Stone Rings

Materials

Blue Sapphire

Certified 7.5 Carat Cornflower Blue Sapphire Bezel Ring 'Natural & Untreated'
Located in London, GB
Make a bold statement with our custom-made ring featuring a 7.5-carat natural untreated Ceylon Blue
Category

21st Century and Contemporary English Art Deco Engagement Rings

Materials

Blue Sapphire, Sapphire, Diamond, 18k Gold

Yellow Gold Victorian Natural Untreated Sapphire Diamond Bangle circa 1860
Located in London, GB
Seven natural, untreated blue sapphires in a period, Victorian bangle (bracelet) mounted with white
Category

Antique 1860s British Victorian Bangles

Materials

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

Yellow Gold Victorian Natural Untreated Sapphire Diamond Bangle, circa 1860
Located in London, GB
Seven natural, untreated blue sapphires in a period, Victorian bangle (bracelet) mounted with white
Category

Antique 1860s British Victorian Bangles

Materials

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

Certified 7.5 Carat Ceylon Sapphire Ring 'Natural & Untreated' Cornflower Blue
Located in London, GB
Gemstone: natural untreated, Ceylon Blue Sapphire AAAA highest heirloom quality Weight of Sapphire
Category

21st Century and Contemporary English Art Deco Engagement Rings

Materials

Diamond, Sapphire, 18k Gold

Certified 2 Carat Ceylon Sapphire & Diamond Halo Ring 'Natural & Untreated'
Located in London, GB
, white gold, or platinum. Materials: Gemstone: natural untreated, Ceylon Blue Sapphire Weight of
Category

21st Century and Contemporary English Modern Engagement Rings

Materials

Diamond, Sapphire, 18k Gold

Natural Untreated 31.74 Carat Sapphire and Diamond Ring in Platinum, Circa 1950
Located in London, GB
A natural untreated 31.74 carat sapphire and diamond ring in platinum, circa 1950. The truly
Category

Vintage 1950s Unknown Retro Cocktail Rings

Materials

Diamond, Blue Sapphire, Platinum

GIA Certified Ceylon Blue Sapphire 7.2 Cts 'Untreated, Unheated' Diamond Ring
Located in OVIEDO, AS
sapphires sell for a 30% premium to one carat prices. Natural Ceylon Blue Sapphire, 7.20 carats (untreated
Category

Vintage 1950s Spanish Neoclassical Cluster Rings

Materials

Diamond, Blue Sapphire, 18k Gold

Natural Untreated 14.50 Carat Sapphire Diamond Ring Set in Platinum
Located in London, GB
A natural untreated 14.50 carat sapphire diamond ring set in platinum. This truly stunning ring is
Category

2010s Unknown Belle Époque Cocktail Rings

Materials

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

Art Deco 50.00 Ct Natural untreated Sapphire Diamond Rare Bracelet
Located in Napoli, IT
refined line of graduated natural no heat Emerald cut Sapphires – Basaltic origin – deep dark Blue colour
Category

Vintage 1910s European Art Deco Link Bracelets

Materials

Diamond, Sapphire, 14k Gold, Silver

AGL Certified 8.463 ct. Unheated & Untreated Blue Sapphire & Fine Diamond Ring
By Pierre Famille
Located in Aspen, CO
diamonds and a natural gem quality large sapphire. All items sold are accompanied by a detailed Statement
Category

21st Century and Contemporary Contemporary Cocktail Rings

Materials

Diamond, White Diamond, Blue Sapphire, Platinum

AGL Certified 8.463 ct. Unheated & Untreated Blue Sapphire & Fine Diamond Ring
Located in Aspen, CO
diamonds and a natural gem quality large sapphire. All items sold are accompanied by a detailed Statement
Category

21st Century and Contemporary North American Contemporary Cocktail Rings

Materials

Diamond, Blue Sapphire, Platinum

Natural Untreated Australian 16.30ct Boulder Opal Diamonds Necklace 18k Gold
By Renata Bernard
Located in Sydney, AU
16.30ct boulder opal hailing from Winton mines in Queensland, Australia. The attractive blue-green play-of
Category

2010s Australian Contemporary Pendant Necklaces

Materials

Diamond, Opal, 18k Gold, Yellow Gold

Natural Untreated Australian 6.65ct Boulder Opal Diamonds Necklace 18k Gold
By Renata Bernard
Located in Sydney, AU
opal’s play-of-colour featuring subtle hues of pink, orange and blue is entirely magnificent. This
Category

2010s Australian Contemporary Pendant Necklaces

Materials

Diamond, Opal, 18k Gold, Yellow Gold

Victorian 8.80 C. Natural Untreated Sapphire Rose Cut Diamond Drop Earrings
Located in Napoli, IT
selection of 4 oval faceted 100% Natural untreated/unheated Sky Blue Sapphires – Ceylon origin 4 oval
Category

Antique 1880s European Victorian Dangle Earrings

Materials

Diamond, Sapphire, 18k Gold, Silver

Boucheron Natural Untreated 12.80 Carat Sapphire Diamond Ring Set in Platinum
By Boucheron
Located in London, GB
A Boucheron natural untreated 12.80 carat sapphire diamond ring set in platinum, circa 1950. This
Category

Vintage 1950s French Art Deco Cocktail Rings

Materials

Diamond, Sapphire, Platinum

Edwardian 4.80 Ct Natural Untreated Sapphire and Diamond three stone ring
Located in Napoli, IT
) later assay punch inside Gems: 1 round cabochon cut natural untreated blue sapphire of approx 4.80 Ct
Category

Antique Early 1900s European Edwardian Three-Stone Rings

Materials

Diamond, Sapphire, 18k Gold, Silver

GIC Certified 1.07 Carat Ceylon Natural Untreated Sapphire Diamond Gold Ring
Located in Weston, MA
size: US 7.0 "Diana's Legacy" - this GIC Certified 1.07 Ct Ceylon Natural Untreated Sapphire Diamond
Category

2010s American Artist Cocktail Rings

Materials

Diamond, Sapphire, Gold, 18k Gold

1.20ct Untreated BIColour Blue Yellow Sapphire Diamond 18k Yellow Gold Halo Ring
Located in Birmingham, GB
Unique Untreated Bi Colour Sapphire And Diamond 18k Yellow Gold Halo Ring. ITSIT. Rare 1.20 Carat
Category

21st Century and Contemporary Cluster Rings

Materials

Yellow Sapphire, Blue Sapphire, Sapphire, White Diamond, Diamond, Yellow...

1.05ct Untreated Green Blue Sapphire 18k White Gold Diamond Surround Set Pendant
By Gems and Jewels UK
Located in Birmingham, GB
Untreated Green Blue Sapphire 18k White Gold Diamond Surround Set Pendant. 1.05 Carat sapphire
Category

21st Century and Contemporary Pendant Necklaces

Materials

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

Certified 3, 65 Ct Natural Untreated Sapphires and Diamonds Drop Earrings
Located in București, B
J5130067729 Main Stone Type: Natural Sapphire, pear cut, faceted Weight: 3.25 ct Color: blue, transparent
Category

Antique Early 19th Century Romanian Art Nouveau Drop Earrings

Materials

Diamond, Sapphire, 14k Gold

Australian Natural Untreated 12.84ct Black Opal Diamond Drop Earrings 18K Gold
By Renata Bernard
Located in Sydney, AU
pairing of black crystal opals (12.84ct) is complemented by the brilliant flash of 30 diamonds. The opal’s
Category

2010s Australian Contemporary Drop Earrings

Materials

Diamond, Black Opal, Opal, White Gold, 18k Gold

Victorian 7.20 Ct Natural Untreated Sapphire 2.40 Ct Diamond 18 Kt Bangle
Located in Napoli, IT
, tested Hallmarks: none/worn Gems: 9 oval cushion cut natural (untreated) blue sapphires totalling approx
Category

Antique Late 19th Century European Victorian Bangles

Materials

Diamond, Sapphire, 18k Gold

Natural Blue Sapphire and Diamond Earrings
By Paradizia
Located in Laguna Beach, CA
Description Luscious and whimsical cluster of natural untreated blue sapphires dangling from pear
Category

21st Century and Contemporary American Artisan Dangle Earrings

Materials

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

Natural Blue Sapphire and Diamonds Necklace
By Paradizia
Located in Laguna Beach, CA
Description Luscious natural blue untreated sapphires with pave diamonds, adorned with 14k white
Category

21st Century and Contemporary American Artisan Beaded Necklaces

Materials

Diamond, Blue Sapphire, 14k Gold, White Gold, Rhodium, Sterling Silver

Art Deco 1.70 Ct Natural Untreated Sapphire 2.20 Ct Diamond Platinum Ring
Located in Napoli, IT
.) Ceylon no heat totally Natural hand – gorgeous light Sky Blue colour almost aquamarine like – makes like
Category

Vintage 1930s European Art Deco Cluster Rings

Materials

Diamond, Sapphire, Platinum

4.61ct untreated cushion-cut, blue sapphire ring. GIA certified.
Located in Los Angeles, CA
beautiful classic blue color which is completely natural. Ceylon sapphires stand among the most sought
Category

21st Century and Contemporary American Modern Bridal Rings

Materials

Blue Sapphire, Platinum

SSEF Switzerland Unheated Untreated 7 Carat Ceylon Blue Sapphire Ring
By Antinori Fine Jewels
Located in Rome, IT
Behold, a magnificent natural Blue Sapphire hailing from the renowned mines of Ceylon (Sri Lanka
Category

2010s Unknown Contemporary Cocktail Rings

Materials

Diamond, Sapphire, Blue Sapphire, Platinum

Emilio Jewelry Certified 14.00 Carat Untreated Cornflower Blue Sapphire Ring
By Emilio!
Located in New York, NY
Fifth Avenue, Focal point: Gorgeous cornflower blue 12.20ct + Unheated sapphire Total weight listed in
Category

21st Century and Contemporary Three-Stone Rings

Materials

Blue Sapphire

Natural Untreated Australian 11.16ct Boulder Opal Pendant Necklace 18K Gold
Located in Sydney, AU
allowing the brilliant opal gemstone to shine and display its harmonious blend of classic blue and green
Category

2010s Australian Contemporary Pendant Necklaces

Materials

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

2 Natural Round Diamond-Cut Blue Sapphires Cts 1.21
Located in Hong Kong, HK
, measuring 4.98 x 4.98 x 3.15mm. These exceptional gems are natural, untreated specimens sourced from the
Category

2010s Hong Kong Contemporary Loose Gemstones

Materials

Blue Sapphire, Diamond

Natural Diamond 0.40 carats 18 Karat White Gold Natural Blue Sapphire Ring
Located in Antwerpen, BE
cherished for generations to come. Metal: 18KT White Gold Weight: 3.64 Grams Gemstone: Diamonds/ Blue
Category

2010s Belgian Modern Cocktail Rings

Materials

Diamond, Blue Sapphire, 18k Gold, White Gold

Natural Diamond Ring 0.38 cts 18 KT White Gold Natural Blue Sapphire Ring
Located in Antwerpen, BE
memorable moments *High Quality 18kt Hallmarked Gold *Guaranteed Natural Untreated Diamonds To keep your
Category

2010s Belgian Modern Engagement Rings

Materials

Diamond, Blue Sapphire, 18k Gold, White Gold

Edwardian 36.0 Carat Untreated Multigem Stone Diamond Bracelet
Located in Napoli, IT
grams Set with four natural Topaz of various colours: Pink , Yellow, Blue and Peach Orange denominated
Category

Antique Early 1900s European Edwardian Link Bracelets

Materials

Diamond, Topaz, Tourmaline, Imperial Topaz, 18k Gold

Emilio Jewelry GIA Certified Natural Vivid Blue Internally Flawless Diamond Ring
By Emilio!
Located in New York, NY
investment diamond only found once in a lifetime. This natural untreated diamond achieved the highest color
Category

21st Century and Contemporary Three-Stone Rings

Materials

Blue Diamond

Natural Untreated Australian 13.16ct Boulder Opal Cufflinks in 18K Yellow Gold
By Renata Bernard
Located in Sydney, AU
"The Godfather" opal cufflinks present gorgeous vivid blue boulder opals (13.16ct) sourced from
Category

2010s Australian Contemporary Cufflinks

Materials

Diamond, Opal, 18k Gold, Yellow Gold

IGI Certified 1.46ct Colour Change Untreated Fancy Cut Sapphire Diamond Pendant
By Gems and Jewels UK
Located in Birmingham, GB
IGI Certified Untreated Fancy Pentagon Cut Untreated Colour Change Sapphire & Diamond 18k White
Category

21st Century and Contemporary Pendant Necklaces

Materials

Purple Sapphire, White Diamond, Diamond, Green Sapphire, Yellow Sapphire...

Untreated Kashmir Sapphire Ring, 3.32 Carats
Located in New Orleans, LA
Kashmir origin and untreated, while the diamonds are both certified by the GIA to be of E and F color and
Category

21st Century and Contemporary American Modern Engagement Rings

Materials

Blue Sapphire, Sapphire, White Diamond, Diamond, Platinum

IGI Certified Untreated Bi Colour Sapphire & Diamond Three Stone Platinum Ring
Located in Birmingham, GB
IGI Certified Natural Bi Colour Untreated Australian Sapphire Platinum Three Stone Ring. Rare IGI
Category

21st Century and Contemporary Three-Stone Rings

Materials

Sapphire, Blue Sapphire, Yellow Sapphire, Green Sapphire, Diamond, Platinum

10.21 Carat Natural Blue Ceylon Sapphire Ring and Diamond Ring
By Iris Fine Jewelry
Located in New York, NY
Introducing our exquisite Natural Blue Sapphire Ring, a true testament to the captivating beauty of
Category

21st Century and Contemporary American Modern Cocktail Rings

Materials

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

GIA Certified 1.67ct Untreated Bi Color Sapphire Diamond 18k White Gold Necklace
Located in Birmingham, GB
Natural Untreated Bi Colour Sapphire & Diamond 18k White Gold Pendant Necklace. Rare GIA Certified
Category

21st Century and Contemporary Pendant Necklaces

Materials

Diamond, White Diamond, Sapphire, Blue Sapphire, Yellow Sapphire, Green ...

GIA Certified Untreated Asscher Sapphire Diamond 18k White Gold Three Stone Ring
By Gems and Jewels UK
Located in Birmingham, GB
GIA Certified Deep Blue Untreated Australian Sapphire & Diamond 18k White Gold Three Stone Ring
Category

21st Century and Contemporary Three-Stone Rings

Materials

White Diamond, Diamond, Sapphire, Blue Sapphire, Green Sapphire, White G...

GIA Platinum Blue Sapphire Unheated Diamond Ring Vintage Natural Fine 9.38 Cts
Located in Sylvania, GA
SAPPHIRE DIAMOND VINTAGE RING & BOX! 6.55 CARAT FINE BLUE GIA CERTIFIED RARE NO HEAT NATURAL SAPPHIRE
Category

20th Century Cocktail Rings

Materials

Diamond, Blue Sapphire, Platinum

10.80 Carats Ceylon Blue Sapphire and Natural Diamond 14K Solid Whit
Located in Los Angeles, CA
10.80 Carats Lab Created Ceylon Blue Sapphire and Natural Diamond 14K Solid White Gold Ring
Category

2010s American Cocktail Rings

Materials

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

GIA Certified Brazilian Alexandrite Untreated 0.90 Carat And Diamond Ring
By Gad & Co.
Located in Miami, FL
GIA Certified Untreated Color Changing Brazilian Alexandrite. The best that Mother Nature has to
Category

21st Century and Contemporary Brazilian Contemporary Cocktail Rings

Materials

Alexandrite, Diamond, Gold, 18k Gold, Yellow Gold

GIA Certified Untreated Parti Colour Sapphire Diamond 18k White Gold Ring ITSIT
Located in Birmingham, GB
ITSIT Natural Parti Colour Untreated Australian Sapphire 18k White Gold Three Stone Ring. Rare GIA
Category

21st Century and Contemporary Three-Stone Rings

Materials

Diamond, Sapphire, Blue Sapphire, Yellow Sapphire, Green Sapphire, 18k G...

10.25 Carat Exquisite Natural Blue Sapphire and Diamond 14K Solid White Gold
Located in Los Angeles, CA
10.25 Carats Exquisite Natural Blue Sapphire and Diamond 14K Solid White Gold Ring Total Center
Category

2010s American Cocktail Rings

Materials

Diamond, Blue Sapphire, 14k Gold, White Gold

Rare Untreated 16.27 Carat Oval Cut Ceylon Sapphire and Double Diamond Halo Ring
Located in Scottsdale, AZ
) Natural Sapphire: 6.98 ctw Sapphire cut: Oval Mixed Sapphire color: Violetish-Blue Sapphire origin: Ceylon
Category

21st Century and Contemporary Unknown Contemporary Cocktail Rings

Materials

Diamond, Sapphire, Blue Sapphire, Platinum

GIA Certified Untreated Vivid Green Thai Sapphire & Diamond 18k Gold Halo Ring
By Gems and Jewels UK
Located in Birmingham, GB
as natural, untreated/unheated and rare Thai origin. Very rare and unique stone. Also has excellent
Category

21st Century and Contemporary Cluster Rings

Materials

White Diamond, Diamond, Sapphire, Blue Sapphire, Yellow Sapphire, Green ...

Tiffany & Co. Untreated Yogo Sapphire Bracelet, 4.68 Carats
By Tiffany & Co.
Located in New Orleans, LA
jewels, which weigh a combined 4.68 carats, are certified by the AGL and GIA to be untreated, making them
Category

20th Century American Art Deco Link Bracelets

Materials

Diamond, White Diamond, Sapphire, Blue Sapphire, Platinum

Victorian Burma Sapphire 4.60ct Certificated Untreated, Pearl, Ruby Bee/Insect/B
Located in London, GB
, sapphire and diamond wings, natural pearl and cabochon natural untreated Burma Sapphire. Mounted in 18ct
Category

Antique 1850s British Victorian Brooches

Materials

Diamond, White Diamond, Natural Pearl, Ruby, Blue Sapphire, Pearl, Sapph...

Solid Natural Untreated Australian 2.57ct Black Opal Ring in 18k Yellow Gold
By Renata Bernard
Located in Sydney, AU
) hailing from famous Lightning Ridge mines in NSW, Australia. The harmony of the green and blue play-of
Category

2010s Australian Contemporary Engagement Rings

Materials

Opal, Black Opal, 18k Gold, Yellow Gold

Untreated Teal Sapphire Ring, 4.03 Carats
Located in New Orleans, LA
of heat treatments, meaning its bright greenish-blue coloring is entirely natural. The gem is
Category

21st Century and Contemporary Modern Cocktail Rings

Materials

Diamond, White Diamond, Sapphire, Platinum

Certified Burma No Heat Blue Sapphire Necklace with Natural Diamonds in 18k gold
Located in Singapore, SG
blue sapphires. They are set in 18k solid gold and adorned with natural diamonds. You have the option
Category

21st Century and Contemporary Singaporean Art Deco Choker Necklaces

Materials

Blue Sapphire, Diamond, 18k Gold

GIA Certified 2.43 Ct Untreated Bi Color Sapphire & Diamond 18k White Gold Ring
Located in Birmingham, GB
Natural Bi Colour Untreated Sapphire & Diamond 18k White Gold Three Stone Ring. Rare GIA Certified
Category

21st Century and Contemporary Three-Stone Rings

Materials

Diamond, Sapphire, Blue Sapphire, Yellow Sapphire, Green Sapphire, Gold,...

5.50 Carat Exquisite Natural Blue Sapphire and Diamond 14 Karat Solid White Gold
Located in Los Angeles, CA
5.50 Carats Exquisite Natural Blue Sapphire and Diamond 14K Solid White Gold Ring Suggested
Category

2010s American Cocktail Rings

Materials

Diamond, Blue Sapphire, 14k Gold, White Gold

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Natural Untreated Blue Diamond For Sale on 1stDibs

On 1stDibs, you can find the most appropriate natural untreated blue diamond for your needs in our varied inventory. Every item for sale was constructed with extraordinary care, often using Platinum, Gold and 18k Gold. You can easily find a 5 antique edition and 9 modern creations to choose from as well. You’re likely to find the perfect natural untreated blue diamond among the distinctive items we have available, which includes versions made as long ago as the 19th Century as well as those produced as recently as the 21st Century. Finding an appealing natural untreated blue diamond — no matter the origin — is easy, but Gems and Jewels UK and Merkaba each produced a popular version that is worth a look. See these pages for an oval cut iteration of this accessory, while there are also cushion cut cut and cabochon cut versions available here, too. If you’re browsing our inventory for a natural untreated blue diamond, 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 Natural Untreated Blue Diamond?

Prices for a natural untreated blue diamond can differ depending upon size, time period and other attributes — at 1stDibs, these accessories begin at $933 and can go as high as $215,758, while this accessory, on average, fetches $15,000.
Questions About Natural Untreated Blue Diamond
  • 1stDibs ExpertOctober 5, 2021
    The price of a natural blue diamond is determined first by the color and then its clarity. Depending on these factors and the size chosen, there is a huge variation in price. You will find the blue diamond price range from under $2,000 to over $10,000 on 1stDibs.