20 Carat
Early 20th Century Dangle Earrings
South Sea Pearl, Diamond, 18k Gold
21st Century and Contemporary Hoop Earrings
Diamond, White Diamond, 18k Gold, Yellow Gold
21st Century and Contemporary Hoop Earrings
Diamond, White Diamond, 18k Gold, White Gold
Vintage 1940s Retro Fashion Rings
Diamond, White Diamond, Gold, 18k Gold, Yellow Gold
Vintage 1980s Modern Band Rings
White Diamond, Diamond, Platinum
Late 20th Century Renaissance Cocktail Rings
Diamond, White Diamond, Onyx, 18k Gold
21st Century and Contemporary Art Deco Cocktail Rings
Diamond, White Diamond, Emerald, 18k Gold
Vintage 1950s Retro Cocktail Rings
Diamond, White Diamond, 18k Gold, White Gold, Gold
Vintage 1950s Retro Cocktail Rings
Tanzanite, Gold, 18k Gold, Yellow Gold
21st Century and Contemporary Art Nouveau Drop Earrings
Amethyst, Diamond, White Diamond, Pearl, Cultured Pearl, South Sea Pearl...
21st Century and Contemporary Renaissance Cocktail Rings
Coral, Diamond, White Diamond, Brown Diamond, 18k Gold
Late 20th Century Art Deco Cocktail Rings
Diamond, Sapphire, Blue Sapphire, Brown Diamond, 18k Gold
Mid-20th Century Art Deco Tennis Bracelets
Diamond, Platinum
Mid-20th Century Art Deco Retro Bracelets
Diamond, White Diamond, Emerald, 18k Gold
Late 20th Century Art Deco Cocktail Rings
Diamond, White Diamond, Ruby, 18k Gold
Late 20th Century Renaissance Clip-on Earrings
Diamond, White Diamond, Ruby, 14k Gold
Mid-20th Century Art Deco Drop Earrings
Diamond, 18k Gold
Mid-20th Century Retro Engagement Rings
Diamond, Platinum
20th Century Tennis Bracelets
Diamond, White Gold
20th Century Renaissance Band Rings
Diamond, White Diamond, Gold, 18k Gold, White Gold
Mid-20th Century Art Deco Drop Earrings
Coral, Diamond, 18k Gold
Early 20th Century Art Deco Solitaire Rings
White Diamond, Platinum
Late 20th Century Art Nouveau Cocktail Rings
White Diamond, Onyx, Diamond, 18k Gold
Late 20th Century Art Nouveau Lever-Back Earrings
Diamond, White Diamond, Emerald, Ruby, Sapphire, Blue Sapphire, 9k Gold,...
Mid-20th Century Art Deco Cocktail Rings
Citrine, Diamond, White Diamond, Ruby, 14k Gold
Late 20th Century Classical Greek Pendant Necklaces
Diamond, White Diamond, Emerald, Sapphire, Blue Sapphire, Tanzanite, 14k...
Late 20th Century Art Nouveau Lever-Back Earrings
Ruby, Topaz, Tourmaline, Diamond, White Diamond, 9k Gold, Sterling Silver
Late 20th Century Art Nouveau Clip-on Earrings
Diamond, White Diamond, Emerald, Sterling Silver, 9k Gold
Late 20th Century Art Nouveau Clip-on Earrings
Diamond, White Diamond, Turquoise, 14k Gold
Mid-20th Century Renaissance Lever-Back Earrings
Diamond, White Diamond, 9k Gold, Sterling Silver
Late 20th Century Art Deco Cocktail Rings
White Diamond, Onyx, Coral, Diamond, 14k Gold
Late 20th Century Art Nouveau Stud Earrings
Diamond, White Diamond, Emerald, Turquoise, Coral, 9k Gold
Late 20th Century Art Nouveau Stud Earrings
Coral, Diamond, White Diamond, Emerald, Turquoise, 14k Gold
Late 20th Century Art Deco Cocktail Rings
Diamond, White Diamond, Pearl, Natural Pearl, South Sea Pearl, Ruby, 14k...
Late 20th Century Art Nouveau Clip-on Earrings
Diamond, White Diamond, Sapphire, Blue Sapphire, Sterling Silver, 9k Gold
Mid-20th Century Renaissance Lever-Back Earrings
Diamond, White Diamond, 18k Gold
Late 20th Century Art Nouveau Drop Earrings
Agate, Diamond, White Diamond, Emerald, Pearl, Cultured Pearl, Freshwate...
Mid-20th Century Renaissance Clip-on Earrings
Diamond, White Diamond, 18k Gold
Mid-20th Century Art Nouveau Cocktail Rings
Diamond, White Diamond, 18k Gold
Late 20th Century Art Nouveau Lever-Back Earrings
Diamond, White Diamond, 9k Gold, Sterling Silver
Late 20th Century Art Nouveau Clip-on Earrings
Diamond, White Diamond, 9k Gold, Sterling Silver
Late 20th Century Art Nouveau Lever-Back Earrings
Ruby, Diamond, White Diamond, 9k Gold, Sterling Silver
Late 20th Century Art Nouveau Lever-Back Earrings
Diamond, White Diamond, Emerald, 9k Gold, Sterling Silver
Late 20th Century Art Nouveau Lever-Back Earrings
Diamond, White Diamond, Black Diamond, Sapphire, Yellow Sapphire, Sterli...
Late 20th Century Art Nouveau Lever-Back Earrings
Sapphire, Blue Sapphire, Diamond, Topaz, White Diamond, 9k Gold, Sterlin...
Late 20th Century Art Deco Retro Bracelets
Onyx, Pearl, Cultured Pearl, Freshwater Pearl, Coral, Diamond, White Dia...
Mid-20th Century Art Deco Cocktail Rings
White Diamond, Sapphire, Blue Sapphire, Emerald, Ruby, Diamond, 9k Gold,...
Late 20th Century Renaissance Lever-Back Earrings
Diamond, White Diamond, Emerald, Ruby, Sapphire, Blue Sapphire, 9k Gold,...
21st Century and Contemporary Art Deco Retro Bracelets
Diamond, White Diamond, Emerald, 18k Gold
Early 2000s Contemporary Pendant Necklaces
Pink Diamond, Diamond, 18k Gold
21st Century and Contemporary Modern Engagement Rings
Diamond, Yellow Gold, 14k Gold
21st Century and Contemporary Art Deco Pendant Necklaces
Aquamarine, Diamond, White Diamond, 18k Gold
21st Century and Contemporary Art Deco Pendant Necklaces
Aquamarine, Diamond, White Diamond, 18k Gold
21st Century and Contemporary Tennis Bracelets
Diamond, White Diamond, 18k Gold, White Gold
Vintage 1970s Retro Cocktail Rings
Aquamarine, Diamond, White Diamond, 14k Gold, Gold, Yellow Gold
Mid-20th Century Renaissance Lever-Back Earrings
Diamond, White Diamond, 9k Gold, Sterling Silver
21st Century and Contemporary Renaissance Beaded Necklaces
Diamond, White Diamond, Pearl, Cultured Pearl, Oriental Pearl, 18k Gold
21st Century and Contemporary Contemporary Cocktail Rings
Diamond, White Diamond, Gold, 18k Gold, White Gold
2010s Art Nouveau More Earrings
White Diamond, 18k Gold
21st Century and Contemporary Contemporary Cocktail Rings
White Diamond, Ruby, 18k Gold
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20 Carat For Sale on 1stDibs
How Much is a 20 Carat?
- 1stDibs ExpertFebruary 22, 2021Because tanzanite prices are controlled by supply and demand in a way that diamond prices are not, the price is more linked to rarity. As a result 1 carat of the finest grade tanzanite is worth $600 to $700, but lower quality stones can be less expensive.