20 Carat Tourmaline
Early 2000s Solitaire Rings
Rubelite, Tourmaline, Diamond, 18k Gold, Rose Gold
21st Century and Contemporary Congolese Art Deco Loose Gemstones
Tourmaline
2010s Dutch Contemporary Cocktail Rings
Diamond, Tourmaline, White Gold
2010s Hong Kong Pendant Necklaces
Coral, Diamond, Tourmaline, White Diamond, Jade, Gold, 18k Gold, White Gold
2010s Afghan Contemporary Dangle Earrings
Diamond, Tourmaline, 18k Gold
21st Century and Contemporary Unknown Contemporary Pendant Necklaces
Diamond, Tourmaline, Gold, 18k Gold, Rose Gold
21st Century and Contemporary American Contemporary Pendant Necklaces
Tourmaline, 14k Gold, Rose Gold
21st Century and Contemporary American Contemporary Cocktail Rings
Tourmaline, Diamond, 14k Gold, Yellow Gold
Mid-20th Century Engagement Rings
Diamond, Tourmaline, Platinum
2010s American Contemporary Cocktail Rings
Diamond, Sapphire, Pink Sapphire, Tourmaline, 14k Gold, Yellow Gold
21st Century and Contemporary American Pendant Necklaces
Diamond, Tourmaline, Platinum
21st Century and Contemporary American Contemporary Cocktail Rings
Diamond, Tourmaline, 14k Gold, Yellow Gold
21st Century and Contemporary Cluster Rings
Rubelite, Tourmaline, 18k Gold, Rose Gold
2010s American Contemporary Cocktail Rings
Diamond, Sapphire, Pink Sapphire, Tourmaline, 14k Gold, Yellow Gold
2010s American Contemporary Cocktail Rings
Diamond, Sapphire, Pink Sapphire, Tourmaline, 14k Gold, Yellow Gold
2010s European Modern Pendant Necklaces
Diamond, Tourmaline, 18k Gold
2010s American Contemporary Modern Bracelets
Tourmaline, Sapphire, 14k Gold, Yellow Gold
21st Century and Contemporary American Contemporary Cocktail Rings
Diamond, Tourmaline, 14k Gold, Yellow Gold
21st Century and Contemporary American Contemporary Bridal Rings
Tourmaline, Sapphire, Diamond, Rose Gold, 14k Gold
21st Century and Contemporary Engagement Rings
Paraiba, Diamond, Tourmaline, Platinum
21st Century and Contemporary American Contemporary Cocktail Rings
Diamond, Sapphire, Pink Sapphire, Tourmaline, 14k Gold, Rose Gold
2010s American Contemporary Cocktail Rings
Diamond, Tourmaline, Tsavorite, Yellow Gold, 14k Gold
21st Century and Contemporary American Contemporary Bridal Rings
Diamond, Tourmaline, 14k Gold, Yellow Gold
21st Century and Contemporary Balinese Contemporary Pendant Necklaces
Tourmaline, 18k Gold
21st Century and Contemporary American Art Deco Engagement Rings
Diamond, Tourmaline, 14k Gold, Yellow Gold
21st Century and Contemporary Balinese Contemporary Pendant Necklaces
Tourmaline, 22k Gold
21st Century and Contemporary Australian Contemporary Cluster Rings
Tourmaline, Sapphire, Blue Sapphire, Gold, 18k Gold, Yellow Gold
21st Century and Contemporary Australian Contemporary Engagement Rings
Tourmaline, Diamond, White Gold, Rose Gold, 18k Gold, Gold
21st Century and Contemporary Unknown Modern Stud Earrings
Sapphire, Tourmaline, Gold, Yellow Gold, 14k Gold
21st Century and Contemporary American Contemporary Pendant Necklaces
Tourmaline, 18k Gold
2010s Italian Modern Pendant Necklaces
Diamond, Tourmaline, 18k Gold, Yellow Gold
21st Century and Contemporary American Contemporary Cocktail Rings
Diamond, Tourmaline, 22k Gold
21st Century and Contemporary American Art Deco Engagement Rings
Diamond, Tourmaline, 14k Gold, Yellow Gold
21st Century and Contemporary Australian Contemporary Engagement Rings
Diamond, Sapphire, Tourmaline, Gold, 18k Gold, Yellow Gold
21st Century and Contemporary Unknown Contemporary Stud Earrings
Multi-gemstone, Sapphire, Tourmaline, Gold, 18k Gold
2010s American Contemporary Pendant Necklaces
Tourmaline, Paraiba, Gold, 18k Gold
2010s American Artisan Drop Necklaces
Diamond, White Diamond, Tourmaline, 18k Gold, White Gold
21st Century and Contemporary American Artisan Drop Earrings
Diamond, White Diamond, Tourmaline, 18k Gold, Yellow Gold, Gold
21st Century and Contemporary Contemporary Stud Earrings
Diamond, Tourmaline, Gold, 18k Gold, White Gold
2010s American Pendant Necklaces
Diamond, Tourmaline, 14k Gold, White Gold
21st Century and Contemporary Contemporary Stud Earrings
Diamond, Tourmaline, Gold, 18k Gold, White Gold
Mid-20th Century Beaded Necklaces
Tourmaline, 22k Gold
21st Century and Contemporary British Pendant Necklaces
Tourmaline, Gold, 9k Gold, White Gold
21st Century and Contemporary Balinese Contemporary Cocktail Rings
Tourmaline, Indicolite, 18k Gold
21st Century and Contemporary Indonesian Contemporary Cocktail Rings
Tourmaline, Diamond, 22k Gold
21st Century and Contemporary Balinese Contemporary Pendant Necklaces
Tourmaline, Rainbow Moonstone, Moonstone, 18k Gold
21st Century and Contemporary Australian Contemporary Cluster Rings
Diamond, Tourmaline, Gold, 18k Gold, Yellow Gold
Early 2000s Spanish Contemporary Cocktail Rings
Diamond, Tourmaline, 18k Gold, White Gold
21st Century and Contemporary Australian Contemporary Solitaire Rings
Tourmaline, Gold, 18k Gold, Yellow Gold
21st Century and Contemporary American Cocktail Rings
Tourmaline, Sterling Silver
21st Century and Contemporary American Modern Pendant Necklaces
Tourmaline, Gold, Rhodium, Sterling Silver
21st Century and Contemporary Australian Contemporary Engagement Rings
Diamond, Blue Sapphire, Tourmaline, Gold, 18k Gold, Yellow Gold
21st Century and Contemporary Australian Contemporary Engagement Rings
Sapphire, Pink Sapphire, Tourmaline, Gold, 18k Gold, Yellow Gold
21st Century and Contemporary Australian Contemporary Engagement Rings
Diamond, Sapphire, Pink Sapphire, Tourmaline, Gold, 18k Gold, Rose Gold
21st Century and Contemporary Modern Cocktail Rings
Diamond, Tourmaline, 18k Gold, White Gold
21st Century and Contemporary Unknown Modern Solitaire Rings
Tourmaline, Yellow Gold, 14k Gold, Gold
21st Century and Contemporary Belgian Contemporary Pendant Necklaces
Diamond, White Diamond, Tourmaline, Tsavorite, 18k Gold, Rose Gold, Gold
Vintage 1960s American Cocktail Rings
Diamond, Tourmaline, 14k Gold, White Gold
2010s Italian Modern Stud Earrings
Diamond, White Diamond, Black Diamond, Tourmaline, Gold, 18k Gold, Yello...
21st Century and Contemporary Russian Contemporary Fashion Rings
Blue Sapphire, Ruby, Pink Sapphire, Chrome Tourmaline, Diamond, Purple S...
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20 Carat Tourmaline For Sale on 1stDibs
How Much is a 20 Carat Tourmaline?
- 1stDibs ExpertApril 5, 2022The term “20 carat gold” does not have a meaning. “Carat” is a unit of measurement used to describe the size of gemstones. “Karat” is the unit used to describe gold precious metal. Gold stamped as 20 karat or 20K is 83.3 percent pure gold and 16.7 percent metal alloy. You'll find a wide variety of gemstone jewelry on 1stDibs.