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Ring rose tourmaline very big one 18k gold
Ring rose tourmaline very big one 18k gold

Ring rose tourmaline very big one 18k gold

By Giulia Colussi

Located in Milan, IT

yellow gold ring with square tourmaline light rose emerald cut, 18k gold 21 gr. All Giulia Colussi

Category

2010s Italian Artist Solitaire Rings

Materials

Tourmaline, 18k Gold

Contemporary Square Cut Pink Tourmaline and Diamond Yellow Gold Pendant Necklace
Contemporary Square Cut Pink Tourmaline and Diamond Yellow Gold Pendant Necklace

Contemporary Square Cut Pink Tourmaline and Diamond Yellow Gold Pendant Necklace

Located in Scottsdale, AZ

pieces. This lovely necklace features a stunning square cut pink tourmaline stone in a vibrant purplish

Category

21st Century and Contemporary Italian Contemporary Pendant Necklaces

Materials

Diamond, Tourmaline, Gold, Yellow Gold, 14k Gold

1.40 Carat Natural Loose Perfect Square Pink Tourmaline Gem For Ring
1.40 Carat Natural Loose Perfect Square Pink Tourmaline Gem For Ring

1.40 Carat Natural Loose Perfect Square Pink Tourmaline Gem For Ring

Located in Peshawar, PK

, Afghanistan Treatment: Non Certificate: On Demand Shape: Square Tourmaline, a gemstone celebrated for its

Category

21st Century and Contemporary Afghan Arts and Crafts Loose Gemstones

Materials

Tourmaline

2.10 Carat Natural Loose Green Blue Tourmaline Square Shape Gemstone
2.10 Carat Natural Loose Green Blue Tourmaline Square Shape Gemstone

2.10 Carat Natural Loose Green Blue Tourmaline Square Shape Gemstone

Located in Peshawar, PK

Treatment: Non Certificate: On Customer Demand Shape: Square Tourmaline is a captivating gemstone known

Category

21st Century and Contemporary Afghan Arts and Crafts Loose Gemstones

Materials

Tourmaline

6.60 Carat Natural Loose Bi-Colour Tourmaline Square Shape Gemstone
6.60 Carat Natural Loose Bi-Colour Tourmaline Square Shape Gemstone

6.60 Carat Natural Loose Bi-Colour Tourmaline Square Shape Gemstone

Located in Peshawar, PK

Blue Treatment: Non Certificate: On Customer Demand Shape: Square Tourmaline is a captivating

Category

21st Century and Contemporary Afghan Arts and Crafts Loose Gemstones

Materials

Tourmaline

2.90 Carat Natural Loose Indicolite Tourmaline Square Shape Gem For Jewellery
2.90 Carat Natural Loose Indicolite Tourmaline Square Shape Gem For Jewellery

2.90 Carat Natural Loose Indicolite Tourmaline Square Shape Gem For Jewellery

Located in Peshawar, PK

Origin: Afghanistan Certificate: On Demand Treatment: Non Shape: Square Tourmaline is a captivating

Category

21st Century and Contemporary Afghan Arts and Crafts Loose Gemstones

Materials

Tourmaline, Indicolite

11.05 Carat Excellent Faceted Bi Colour Tourmaline Square Shape Gemstone
11.05 Carat Excellent Faceted Bi Colour Tourmaline Square Shape Gemstone

11.05 Carat Excellent Faceted Bi Colour Tourmaline Square Shape Gemstone

Located in Peshawar, PK

Green And Peachy Pink Origin : Africa Certificate: On Customer Demand Shape: Square Tourmaline is a

Category

21st Century and Contemporary Central African Arts and Crafts Loose Gems...

Materials

Tourmaline

Natural 12.65 Carat Perfect Square Exquisite Loose Bi Colour Tourmaline Gem
Natural 12.65 Carat Perfect Square Exquisite Loose Bi Colour Tourmaline Gem

Natural 12.65 Carat Perfect Square Exquisite Loose Bi Colour Tourmaline Gem

Located in Peshawar, PK

Certificate: On Demand Treatment: Non Colour: Teal And Green Shape: Perfect Square Tourmaline is a

Category

21st Century and Contemporary Afghan Arts and Crafts Loose Gemstones

Materials

Tourmaline

1.85 Carat Natural Loose Mint Tourmaline Square Shape Gem For Jewellery Making
1.85 Carat Natural Loose Mint Tourmaline Square Shape Gem For Jewellery Making

1.85 Carat Natural Loose Mint Tourmaline Square Shape Gem For Jewellery Making

Located in Peshawar, PK

Origin: Afghanistan Certificate: On Demand Treatment: Non Shape: Square Tourmaline is a captivating

Category

21st Century and Contemporary Afghan Arts and Crafts Loose Gemstones

Materials

Tourmaline

Rare Color 5.50 Carats Natural loose Seafoam Tourmaline Perfect Square Shape Gem
Rare Color 5.50 Carats Natural loose Seafoam Tourmaline Perfect Square Shape Gem

Rare Color 5.50 Carats Natural loose Seafoam Tourmaline Perfect Square Shape Gem

Located in Peshawar, PK

Origin: Afghanistan Certificate: On Demand Treatment: Non Shape: Square Tourmaline is a captivating

Category

21st Century and Contemporary Afghan Arts and Crafts Loose Gemstones

Materials

Tourmaline

Elegant 2.40 Carats Loose Rubellite Tourmaline
Elegant 2.40 Carats Loose Rubellite Tourmaline

Elegant 2.40 Carats Loose Rubellite Tourmaline

Located in Peshawar, PK

Treatment: Non Certificate: On Customer Demand Shape: Square Tourmaline is a captivating gemstone known

Category

21st Century and Contemporary Afghan Arts and Crafts Loose Gemstones

Materials

Rubelite, Tourmaline

3.17 Carat Square cut Tourmaline
3.17 Carat Square cut Tourmaline

3.17 Carat Square cut Tourmaline

Located in London, England

3.17 Carat Square cut Tourmaline. This spectacular Square cut Tourmaline weighs 3.17 Carats and

Category

21st Century and Contemporary Contemporary Loose Gemstones

Materials

Tourmaline

1.55 Carat Natural Loose Blue Green Tourmaline Emerald Shape Gem
1.55 Carat Natural Loose Blue Green Tourmaline Emerald Shape Gem

1.55 Carat Natural Loose Blue Green Tourmaline Emerald Shape Gem

Located in Peshawar, PK

Treatment: Non Certificate: On Customer Demand Shape: Square Tourmaline is a captivating gemstone known

Category

21st Century and Contemporary Afghan Arts and Crafts Loose Gemstones

Materials

Tourmaline

3.80 Carat Natural Loose Seafoam Tourmaline Slightly Included Gemstone
3.80 Carat Natural Loose Seafoam Tourmaline Slightly Included Gemstone

3.80 Carat Natural Loose Seafoam Tourmaline Slightly Included Gemstone

Located in Peshawar, PK

: Afghanistan Certificate: On Demand Treatment: Non Clarity: Slightly Included Shape: Square Tourmaline is a

Category

21st Century and Contemporary Afghan Arts and Crafts Loose Gemstones

Materials

Tourmaline

1.79ct Square Green Tourmaline
1.79ct Square Green Tourmaline

1.79ct Square Green Tourmaline

Located in Toronto, Ontario

Description: Gem Type: Tourmaline Number of Stones: 1 Weight: 1.79 cts Measurements: 6.89 x 6.79 x

Category

2010s Brazilian Loose Gemstones

Materials

Tourmaline

1.9ct Square Green Tourmaline
1.9ct Square Green Tourmaline

1.9ct Square Green Tourmaline

Located in Toronto, Ontario

Description: Gem Type: Tourmaline Number of Stones: 1 Weight: 1.9 cts Measurements: 6.64 x 6.58 x

Category

2010s Brazilian Loose Gemstones

Materials

Tourmaline

Square Cut Tourmaline Diamond Yellow Gold Ring
Square Cut Tourmaline Diamond Yellow Gold Ring

Square Cut Tourmaline Diamond Yellow Gold Ring

Located in Trumbull, CT

Square cut deep green tourmaline ring is mounted in 14K yellow gold. Beautifully hand crafted ring

Category

21st Century and Contemporary Unknown Artisan Three-Stone Rings

Materials

Diamond, Tourmaline, Yellow Gold

2.34ct Square Purplish Pink Tourmaline
2.34ct Square Purplish Pink Tourmaline

2.34ct Square Purplish Pink Tourmaline

Located in Toronto, Ontario

Description: Gem Type: Tourmaline Number of Stones: 1 Weight: 2.34 cts Measurements: 8.24 x 8.19

Category

2010s Brazilian Loose Gemstones

Materials

Tourmaline

1.14ct Square orangy Yellow Tourmaline
1.14ct Square orangy Yellow Tourmaline

1.14ct Square orangy Yellow Tourmaline

Located in Toronto, Ontario

Description: Gem Type: Tourmaline Number of Stones: 1 Weight: 1.14 cts Measurements: 6.74 x 6.66 x

Category

2010s Brazilian Loose Gemstones

Materials

Tourmaline

1.5ct Square orangy Yellow Tourmaline
1.5ct Square orangy Yellow Tourmaline

1.5ct Square orangy Yellow Tourmaline

Located in Toronto, Ontario

Description: Gem Type: Tourmaline Number of Stones: 1 Weight: 1.5 cts Measurements: 6.56 x 6.23 x

Category

2010s Brazilian Loose Gemstones

Materials

Tourmaline

12.45 Carats Loose Tricolour Tourmaline Natural Gemstone Square Shape
12.45 Carats Loose Tricolour Tourmaline Natural Gemstone Square Shape

12.45 Carats Loose Tricolour Tourmaline Natural Gemstone Square Shape

Located in Brisbane, AU

Faceted Tricolour Tourmaline Weight: 12.45 Carats Dimension: 13.3 x 13.4 x 8.6 Mm Colour: Black

Category

21st Century and Contemporary Afghan Arts and Crafts Loose Gemstones

Materials

Tourmaline

1.71ct Asscher Cut/Square Green Tourmaline
1.71ct Asscher Cut/Square Green Tourmaline

1.71ct Asscher Cut/Square Green Tourmaline

Located in Toronto, Ontario

Description: Gem Type: Tourmaline Number of Stones: 1 Weight: 1.71 cts Measurements: 7.17 x 7.07

Category

2010s Brazilian Loose Gemstones

Materials

Tourmaline

2.27ct Asscher Cut/Square Green Tourmaline
2.27ct Asscher Cut/Square Green Tourmaline

2.27ct Asscher Cut/Square Green Tourmaline

Located in Toronto, Ontario

Description: Gem Type: Tourmaline Number of Stones: 1 Weight: 2.27 cts Measurements: 8.26 x 8.00

Category

2010s Brazilian Loose Gemstones

Materials

Tourmaline

2.26ct Asscher Cut/Square Green Tourmaline
2.26ct Asscher Cut/Square Green Tourmaline

2.26ct Asscher Cut/Square Green Tourmaline

Located in Toronto, Ontario

Description: Gem Type: Tourmaline Number of Stones: 1 Weight: 2.26 cts Measurements: 8.74 x 8.70

Category

2010s Brazilian Loose Gemstones

Materials

Tourmaline

1.36ct Asscher Cut/Square Green Tourmaline
1.36ct Asscher Cut/Square Green Tourmaline

1.36ct Asscher Cut/Square Green Tourmaline

Located in Toronto, Ontario

Description: Gem Type: Tourmaline Number of Stones: 1 Weight: 1.36 cts Measurements: 6.73 x 6.75

Category

2010s Brazilian Loose Gemstones

Materials

Tourmaline

1.45 Carat Natural Loose Green Tourmaline Square Shape Gemstone
1.45 Carat Natural Loose Green Tourmaline Square Shape Gemstone

1.45 Carat Natural Loose Green Tourmaline Square Shape Gemstone

Located in Peshawar, PK

Faceted Green Tourmaline Weight: 1.45 Carat Dimension: 6.3 x 6.3 x 4.8 Mm Colour: Green Origin

Category

21st Century and Contemporary Afghan Arts and Crafts Loose Gemstones

Materials

Tourmaline

3.15 Carat Natural Loose Rubellite Tourmaline Square Shape Gemstone
3.15 Carat Natural Loose Rubellite Tourmaline Square Shape Gemstone

3.15 Carat Natural Loose Rubellite Tourmaline Square Shape Gemstone

Located in Peshawar, PK

Faceted Rubellite Tourmaline Weight: 3.15 Carat Dimension : 8.4 x 8.3 x 6.5 Mm Origin

Category

21st Century and Contemporary Afghan Arts and Crafts Loose Gemstones

Materials

Rubelite, Tourmaline, Other

1.40 Carat Natural Loose Green Tourmaline Square Shape Gemstone
1.40 Carat Natural Loose Green Tourmaline Square Shape Gemstone

1.40 Carat Natural Loose Green Tourmaline Square Shape Gemstone

Located in Peshawar, PK

Certificate: On Demand Treatment: Non Shape: Square Colour: Green Tourmaline is a captivating gemstone

Category

21st Century and Contemporary Afghan Arts and Crafts Loose Gemstones

Materials

Tourmaline

1.25 Carat Natural Loose Indicolite Tourmaline Square Shape Gemstone
1.25 Carat Natural Loose Indicolite Tourmaline Square Shape Gemstone

1.25 Carat Natural Loose Indicolite Tourmaline Square Shape Gemstone

Located in Peshawar, PK

Faceted Indicolite Tourmaline Weight: 1.25 Carat Dimension: 6.3 x 6.3 x 4.3 Mm Colour: Blue

Category

21st Century and Contemporary Afghan Arts and Crafts Loose Gemstones

Materials

Tourmaline, Indicolite

2.15 Carat Natural Loose Indicolite Tourmaline Square Shape Gemstone
2.15 Carat Natural Loose Indicolite Tourmaline Square Shape Gemstone

2.15 Carat Natural Loose Indicolite Tourmaline Square Shape Gemstone

Located in Peshawar, PK

Loose Indicolite Tourmaline Weight: 2.15 Carats Dimension: 6.6 x 6.6 x 5.5 Mm Origin: Kunar

Category

21st Century and Contemporary Afghan Arts and Crafts Loose Gemstones

Materials

Tourmaline, Indicolite

1.45 Carat Natural Loose Green Blue Tourmaline Square Shape Gemstone
1.45 Carat Natural Loose Green Blue Tourmaline Square Shape Gemstone

1.45 Carat Natural Loose Green Blue Tourmaline Square Shape Gemstone

Located in Peshawar, PK

Faceted Green Blue Tourmaline Weight: 1.45 Carat Dimension: 6.4 x 6.4 x 4.6 Mm Colour: Green Blue

Category

21st Century and Contemporary Afghan Arts and Crafts Loose Gemstones

Materials

Tourmaline

1.70 Carat Natural Loose Green Lagoon Tourmaline Square Shape Gemstone
1.70 Carat Natural Loose Green Lagoon Tourmaline Square Shape Gemstone

1.70 Carat Natural Loose Green Lagoon Tourmaline Square Shape Gemstone

Located in Peshawar, PK

Faceted Green Lagoon Tourmaline Weight: 1.70 Carat Dimension: 6.8 x 6.7 x 5 Mm Origin

Category

21st Century and Contemporary Afghan Arts and Crafts Loose Gemstones

Materials

Tourmaline

2.16ct Asscher Cut/Square Yellow-Green Tourmaline
2.16ct Asscher Cut/Square Yellow-Green Tourmaline

2.16ct Asscher Cut/Square Yellow-Green Tourmaline

Located in Toronto, Ontario

Description: Gem Type: Tourmaline Number of Stones: 1 Weight: 2.16 cts Measurements: 7.98 x 7.93

Category

2010s Brazilian Loose Gemstones

Materials

Tourmaline

1.27ct Asscher Cut/Square Blue Indicolite Tourmaline
1.27ct Asscher Cut/Square Blue Indicolite Tourmaline

1.27ct Asscher Cut/Square Blue Indicolite Tourmaline

Located in Toronto, Ontario

Description: Gem Type: Tourmaline Number of Stones: 1 Weight: 1.27 cts Measurements: 6.39 x 6.25

Category

2010s Brazilian Loose Gemstones

Materials

Tourmaline

Natural Faceted Blue Green Tourmaline Square Shape 2.80 Carat Gemstone
Natural Faceted Blue Green Tourmaline Square Shape 2.80 Carat Gemstone

Natural Faceted Blue Green Tourmaline Square Shape 2.80 Carat Gemstone

Located in Peshawar, PK

Loose Blue Green Tourmaline Weight: 2.80 Carats Dimension: 7.5 x 7.3 x 6.4 Mm Colour: Blue Green

Category

21st Century and Contemporary Afghan Arts and Crafts Loose Gemstones

Materials

Tourmaline

2.10 Carat Adorable Natural Loose Lagoon Tourmaline Square Shape Gemstone
2.10 Carat Adorable Natural Loose Lagoon Tourmaline Square Shape Gemstone

2.10 Carat Adorable Natural Loose Lagoon Tourmaline Square Shape Gemstone

Located in Peshawar, PK

Loose Lagoon Tourmaline Weight: 2.10 Carats Dimension: 7.2 x 6.6 x 5.1 Mm Origin: Afghanistan

Category

21st Century and Contemporary Afghan Arts and Crafts Loose Gemstones

Materials

Tourmaline

Pink Tourmaline and Yellow Sapphire Squares Necklace
Pink Tourmaline and Yellow Sapphire Squares Necklace

Pink Tourmaline and Yellow Sapphire Squares Necklace

Located in Woodland Hills, CA

Tourmaline and 0.61 ctw Yellow Sapphire, princess cut squares. The pendant measures 11x11mm, with a 4.5mm

Category

2010s North American Artisan Pendant Necklaces

Materials

Yellow Sapphire, Tourmaline, 14k Gold

14K Yellow Gold Square Cut Green Tourmaline Diamond Ring
14K Yellow Gold Square Cut Green Tourmaline Diamond Ring

14K Yellow Gold Square Cut Green Tourmaline Diamond Ring

Located in Trumbull, CT

Hand cut and polished tiny natural green tourmaline ring is crafted with hand in 14K yellow gold

Category

21st Century and Contemporary American Artisan Fashion Rings

Materials

Tourmaline, Diamond, Yellow Gold, 14k Gold

18 K Rose Gold Eternity Ring Square Cut Mint Tourmaline
18 K Rose Gold Eternity Ring Square Cut Mint Tourmaline

18 K Rose Gold Eternity Ring Square Cut Mint Tourmaline

Located in Zurich, Zollstrasse

Solid 18 K rose Gold Eternity Ring set with 10 square cut Mint Green Tourmalines weighing 3.29 in a

Category

2010s German Contemporary Band Rings

Materials

Tourmaline, 18k Gold, Rose Gold

Silvorra Natural Square Cut Multi Tourmaline Sleek Cuff Silver Bangle Bracelet
Silvorra Natural Square Cut Multi Tourmaline Sleek Cuff Silver Bangle Bracelet

Silvorra Natural Square Cut Multi Tourmaline Sleek Cuff Silver Bangle Bracelet

Located in New York, NY

This bangle is crafted in 925 sterling silver and set with 39 square natural multi tourmaline

Category

21st Century and Contemporary American Contemporary Bangles

Materials

Tourmaline, Silver, Sterling Silver

6.45 Carat Natural Loose Blue Green Included Tourmaline Square Shape Gemstone
6.45 Carat Natural Loose Blue Green Included Tourmaline Square Shape Gemstone

6.45 Carat Natural Loose Blue Green Included Tourmaline Square Shape Gemstone

Located in Peshawar, PK

Certificate: On Demand Treatment: Non Shape: Square Colour: Blue And Green Clarity: Included Tourmaline

Category

21st Century and Contemporary Afghan Arts and Crafts Loose Gemstones

Materials

Tourmaline

2.35 Carat Natural Loose Light Green Tourmaline Perfect Square Shape Gemstone
2.35 Carat Natural Loose Light Green Tourmaline Perfect Square Shape Gemstone

2.35 Carat Natural Loose Light Green Tourmaline Perfect Square Shape Gemstone

Located in Peshawar, PK

Loose Light Green Tourmaline Weight: 2.35 Carats Dimension: 7.3 x 7.3 x 5.8 Mm Colour: Light Green

Category

21st Century and Contemporary Afghan Arts and Crafts Loose Gemstones

Materials

Tourmaline

5.80 Carat Natural Loose Tourmaline Square Shape Gem For Jewellery Making
5.80 Carat Natural Loose Tourmaline Square Shape Gem For Jewellery Making

5.80 Carat Natural Loose Tourmaline Square Shape Gem For Jewellery Making

Located in Peshawar, PK

Loose Green Tourmaline Weight: 5.80 Carats Dimension: 9.6 x 9.5 x 7.2 Mm Colour: Green Origin

Category

21st Century and Contemporary Afghan Arts and Crafts Loose Gemstones

Materials

Tourmaline

2.00 Carat Natural Loose Lagoon Tourmaline Square Shape Gem For Jewellery
2.00 Carat Natural Loose Lagoon Tourmaline Square Shape Gem For Jewellery

2.00 Carat Natural Loose Lagoon Tourmaline Square Shape Gem For Jewellery

Located in Peshawar, PK

Loose Lagoon Tourmaline Weight: 2.00 Carats Dimension: 7.5 x 6.5 x 4.8 Mm Colour: Lagoon Origin

Category

21st Century and Contemporary Afghan Arts and Crafts Loose Gemstones

Materials

Tourmaline

5.26ct Square green tourmaline natural forest green certified
5.26ct Square green tourmaline natural forest green certified

5.26ct Square green tourmaline natural forest green certified

Located in Jupiter, FL

Natural forest green tourmaline 5.26ct total, will come with a certificate of authenticity

Category

21st Century and Contemporary Loose Gemstones

Materials

Tourmaline

18 K Rose Gold Eternity Ring Band Square Cut Green Tourmaline
18 K Rose Gold Eternity Ring Band Square Cut Green Tourmaline

18 K Rose Gold Eternity Ring Band Square Cut Green Tourmaline

Located in Zurich, Zollstrasse

Solid 18 K rose Gold Eternity Ring set with 14 square cut pink Tourmalines weighing 2.33 ct in a

Category

2010s German Contemporary Band Rings

Materials

Tourmaline, 18k Gold, Rose Gold

18 K Rose Gold Eternity Ring Band Square Cut Pink Tourmaline
18 K Rose Gold Eternity Ring Band Square Cut Pink Tourmaline

18 K Rose Gold Eternity Ring Band Square Cut Pink Tourmaline

Located in Zurich, Zollstrasse

Solid 18 K rose Gold Eternity Ring set with 14 square cut pink Tourmalines weighing 1.63 ct in a

Category

2010s German Contemporary Band Rings

Materials

Tourmaline, 18k Gold, Rose Gold

1.10 Carat Natural Loose Blue Green Tourmaline Square Shape Gem For Ring
1.10 Carat Natural Loose Blue Green Tourmaline Square Shape Gem For Ring

1.10 Carat Natural Loose Blue Green Tourmaline Square Shape Gem For Ring

Located in Peshawar, PK

Certificate: On Demand Treatment: Non Shape: Square Colour: Blue And Green Tourmaline is a captivating

Category

21st Century and Contemporary Afghan Arts and Crafts Loose Gemstones

Materials

Tourmaline

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Square Tourmaline For Sale on 1stDibs

Find the exact square tourmaline you’re shopping for in the variety available on 1stDibs. Each design created in this style — which was crafted with great care and often made from Gold, 18k Gold and Yellow Gold — can elevate any look. Our collection of these items for sale includes 31 vintage editions and 60 modern creations to choose from as well. Finding the perfect square tourmaline may mean sifting through those created during different time periods — you can find an early version that dates to the 19th Century and a newer variation that were made as recently as the 21st Century. For this particular piece, 2 Carat and 2.5 Carat are consistently popular carat weights. There have been many well-made iterations of the classic square tourmaline over the years, but those made by Atelier Munsteiner, Merkaba and Rossella Ugolini are often thought to be among the most beautiful. See these pages for a square cut iteration of this accessory, while there are also cushion cut cut and princess cut cut versions available here, too. Most of our square tourmaline for sale are for women, but there are 36 pieces available to browse for men.

How Much is a Square Tourmaline?

On average, a square tourmaline at 1stDibs sells for $4,840, while they’re typically $678 on the low end and $57,000 for the highest priced versions of this item.

The Legacy of Tourmaline in Jewelry Design

Very few gems dazzle quite in the manner that tourmaline does — vintage and antique tourmaline jewelry is a showstopper, and you can blame this on its wide range of spectacular colors. In fact, when Dutch traders brought stones back home from Sri Lanka that they couldn't identify, they called them "toramalli," a Sinhalese term for "mixed gems."

If you could transform the ocean to a gem, this is what it would look like: a clear, translucent azure, bordering on turquoise, hypnotizing in its depth and sparkling in the sun.

There is, in fact, such a stone, although it comes from deep in the copper-rich mountains of Paraíba, Brazil, and not from the oceans along its coast. Far rarer than diamonds, Paraíba tourmaline, a kind of tourmaline discovered only in the 1980s, is treasured as much for its extraordinary color as its scarcity, both of which contribute to its high value.

While diamonds generally sell for about $6,000 per carat, a carat of Paraíba tourmaline is likely to fetch about $16,000. Fans of the gem are said to include singer Taylor Swift and actress Zooey Deschanel, as well as some of the finest jewelers.

“No other stone can have a color as magnetic and captivating as Paraíba tourmaline,” says Vania Leles of VanLeles Diamonds, who combines the stone with diamonds and other gems in several of her designs.

You don't have to stop at Paraíba tourmaline jewelry — on 1stDibs, find the most extraordinary antique and vintage tourmaline rings, tourmaline and diamond earrings and other accessories.