12 Carat Amethyst
2010s Artisan Cocktail Rings
Amethyst, Diamond, 18k Gold
21st Century and Contemporary Contemporary Cocktail Rings
Amethyst, Peridot, Silver, Sterling Silver
2010s Tennis Bracelets
Amethyst, 14k Gold, Yellow Gold
Early 20th Century Brooches
Amethyst, Diamond, Pearl, Gold, 18k Gold, Yellow Gold, Silver
Vintage 1950s More Rings
Amethyst, Diamond, Yellow Gold, Platinum
2010s American Dangle Earrings
Amethyst, Diamond, 14k Gold
Vintage 1920s Unknown Art Deco Engagement Rings
Amethyst, White Diamond, Platinum
21st Century and Contemporary Fashion Rings
Amethyst, Diamond, 14k Gold, Yellow Gold
21st Century and Contemporary Fashion Rings
Amethyst, Diamond, 14k Gold, Rose Gold
2010s North American Drop Earrings
Amethyst, Diamond, Gold, 18k Gold, Rose Gold
Late 20th Century American Modern More Earrings
14k Gold
Early 20th Century Dangle Earrings
Amethyst, Pearl, Gold, 14k Gold, Yellow Gold
21st Century and Contemporary Indian Engagement Rings
Amethyst, Silver
Early 20th Century Fashion Rings
Amethyst, Emerald, 18k Gold, Rose Gold, Gold
Early 2000s Pendant Necklaces
Amethyst, 14k Gold, Yellow Gold
Mid-20th Century Cocktail Rings
Amethyst, Diamond, 18k Gold, Yellow Gold, Gold
21st Century and Contemporary Pendant Necklaces
Beryl, Amethyst, Gold, 14k Gold, Yellow Gold
Early 20th Century Fashion Rings
Amethyst, 14k Gold, White Gold, Gold
21st Century and Contemporary Brazilian Arts and Crafts Loose Gemstones
Amethyst
Early 20th Century Link Necklaces
Amethyst, 14k Gold, Yellow Gold, Gold
Late 20th Century Link Bracelets
Amethyst, 14k Gold, Yellow Gold, Gold
21st Century and Contemporary Pendant Necklaces
Amethyst, Diamond, Gold, 14k Gold, White Gold
21st Century and Contemporary American Contemporary Cocktail Rings
Pink Sapphire, Diamond, Amethyst, Rose Gold, 14k Gold
2010s Unknown Modern Tennis Bracelets
Amethyst, Sterling Silver
21st Century and Contemporary American Contemporary Cocktail Rings
Sapphire, Diamond, Amethyst, Rose Gold, 14k Gold
21st Century and Contemporary American Contemporary Cocktail Rings
Yellow Sapphire, Sapphire, Diamond, Amethyst, Yellow Gold, 14k Gold
Late 20th Century Fashion Rings
Amethyst, Diamond, 14k Gold, Yellow Gold, Gold
21st Century and Contemporary Hong Kong Contemporary Necklace Enhancers
Amethyst, Diamond, 18k Gold, Rose Gold
21st Century and Contemporary American Contemporary Dangle Earrings
Amethyst, 10k Gold, Gold Plate, Yellow Gold, Sterling Silver
21st Century and Contemporary American Contemporary Cocktail Rings
Blue Topaz, Topaz, Sapphire, Garnet, Amethyst, White Gold, 14k Gold
2010s American Contemporary Drop Earrings
Amethyst, Diamond, Pearl, White Gold
21st Century and Contemporary Italian Modern Pendant Necklaces
Amethyst, Brown Diamond, Diamond, 18k Gold
21st Century and Contemporary Contemporary Dangle Earrings
Amethyst, Citrine, Topaz, Blue Topaz, Silver, Sterling Silver
21st Century and Contemporary Link Bracelets
Blue Topaz, Topaz, Peridot, Garnet, Citrine, Amethyst, Yellow Gold, 14k ...
21st Century and Contemporary Unknown Artisan Pendant Necklaces
Amethyst, Diamond, Tsavorite, 14k Gold
21st Century and Contemporary American Contemporary Cocktail Rings
Pink Sapphire, Diamond, Amethyst, Rose Gold, 14k Gold
21st Century and Contemporary French Art Deco Rope Necklaces
Amethyst, Diamond, Gold, 18k Gold, Rose Gold
21st Century and Contemporary Contemporary Dangle Earrings
Amethyst, Topaz, Blue Topaz, Rhodium, Silver, Sterling Silver
21st Century and Contemporary American Contemporary Cocktail Rings
Blue Sapphire, Pink Sapphire, Sapphire, Diamond, Amethyst, Rose Gold, 14...
Early 20th Century Pendant Necklaces
Amethyst, Diamond, Ruby, Quartz, Gold, 14k Gold, Rose Gold
Vintage 1920s Art Deco Fashion Rings
Amethyst, 14k Gold, White Gold
21st Century and Contemporary Contemporary Cocktail Rings
Rhodolite, Topaz, Garnet, Amethyst, Sterling Silver, Silver, Rhodium
2010s American Contemporary Drop Earrings
White Diamond, Amethyst, Diamond, 18k Gold, Yellow Gold
21st Century and Contemporary Contemporary Dangle Earrings
Amethyst, Diamond, White Diamond, Opal, Silver, Sterling Silver
21st Century and Contemporary Contemporary Dangle Earrings
Amethyst, Diamond, White Diamond, Opal, Silver, Sterling Silver
21st Century and Contemporary Contemporary Cocktail Rings
Rhodolite, Topaz, Garnet, Amethyst, Sterling Silver, Silver, Rhodium
21st Century and Contemporary Contemporary Cocktail Rings
Diamond, White Diamond, Amethyst, White Gold, 14k Gold, Gold
21st Century and Contemporary Contemporary Cocktail Rings
Rhodolite, Topaz, Garnet, Amethyst, Sterling Silver, Silver, Rhodium
21st Century and Contemporary Contemporary Cocktail Rings
Amethyst, Rhodolite, Garnet, Topaz, Sterling Silver, Silver, Rhodium
21st Century and Contemporary Unknown Modern Cocktail Rings
Amethyst, Diamond, 18k Gold, Yellow Gold
21st Century and Contemporary Contemporary Tennis Bracelets
Tanzanite, Apatite, Rhodolite, Peridot, Opal, Garnet, Citrine, Amethyst,...
21st Century and Contemporary Contemporary Dangle Earrings
Amethyst, Topaz, Rhodium, Silver, Sterling Silver
21st Century and Contemporary Contemporary Tennis Bracelets
Rhodolite, Apatite, Tanzanite, Peridot, Opal, Garnet, Citrine, Amethyst,...
21st Century and Contemporary Contemporary Tennis Bracelets
Rhodolite, Apatite, Tanzanite, Peridot, Opal, Garnet, Citrine, Amethyst,...
21st Century and Contemporary Contemporary Tennis Bracelets
Rhodolite, Apatite, Tanzanite, Peridot, Opal, Garnet, Citrine, Amethyst,...
21st Century and Contemporary Contemporary Tennis Bracelets
Amethyst, Citrine, Garnet, Opal, Peridot, Tanzanite, Rhodolite, Apatite,...
2010s American Modern Cocktail Rings
Amethyst, Diamond, Yellow Gold, 18k Gold, Gold
21st Century and Contemporary Contemporary Tennis Bracelets
Rhodolite, Apatite, Tanzanite, Peridot, Opal, Garnet, Citrine, Amethyst,...
21st Century and Contemporary Contemporary Tennis Bracelets
Rhodolite, Apatite, Tanzanite, Peridot, Opal, Garnet, Citrine, Amethyst,...
21st Century and Contemporary Contemporary Tennis Bracelets
Rhodolite, Apatite, Tanzanite, Peridot, Opal, Garnet, Citrine, Amethyst,...
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12 Carat Amethyst For Sale on 1stDibs
How Much is a 12 Carat Amethyst?
- How big is a 12 carat diamond?1 Answer1stDibs ExpertFebruary 22, 2021The size of a 12 carat diamond is dependent on diamond cut. A 12 carat round diamond is roughly 15 mm in size.