25 Carat Cushion
2010s Engagement Rings
Diamond, Garnet, Rhodolite, 18k Gold, White Gold, Gold
20th Century Drop Necklaces
Diamond, Tanzanite, 14k Gold
2010s Dome Rings
Diamond, Kunzite, 18k Gold
21st Century and Contemporary Nigerian Art Deco Loose Gemstones
Aquamarine
Antique 19th Century European Victorian Brooches
Garnet, Opal, Pearl, Gold
2010s Stud Earrings
Diamond, Emerald, Rubelite, Yellow Gold
21st Century and Contemporary Japanese Modern Cocktail Rings
Diamond, Tanzanite, Platinum
21st Century and Contemporary American Contemporary Cocktail Rings
Diamond, White Diamond, Pink Diamond, Rose Gold, White Gold, Gold, 18k Gold
2010s Hong Kong Modern Pendant Necklaces
White Diamond, Yellow Diamond, Yellow Gold, 18k Gold, White Gold
21st Century and Contemporary Unknown Modern Signet Rings
Diamond, Onyx, 14k Gold, Yellow Gold
21st Century and Contemporary Pendant Necklaces
Diamond, Quartz
21st Century and Contemporary Engagement Rings
Diamond, 14k Gold, White Gold
2010s American Engagement Rings
Diamond, 18k Gold
21st Century and Contemporary Cocktail Rings
Amethyst, Diamond, 14k Gold, Rose Gold, White Gold
21st Century and Contemporary Cocktail Rings
Diamond, Topaz, Blue Topaz, 10k Gold, White Gold
2010s American Contemporary Dome Rings
Moonstone, Diamond, 18k Gold, Gold
2010s American Modern Dangle Earrings
Diamond, Emerald, Gold, 18k Gold, Yellow Gold
2010s American Artist Pendant Necklaces
Ruby, Yellow Gold
Late 20th Century Unknown Cocktail Rings
Amethyst, Diamond, White Gold
Early 2000s Unknown Contemporary Solitaire Rings
Ruby, Platinum
21st Century and Contemporary Dangle Earrings
Diamond, Yellow Diamond, 18k Gold, White Gold
21st Century and Contemporary Contemporary Cocktail Rings
Amethyst, Diamond, 14k Gold
Early 20th Century Dangle Earrings
Diamond, Sapphire, Platinum
21st Century and Contemporary Unknown Contemporary Pendant Necklaces
Diamond, White Diamond, Topaz, Gold, 18k Gold, Yellow Gold
21st Century and Contemporary Engagement Rings
Diamond, White Diamond, Blue Sapphire, Platinum
20th Century Engagement Rings
Diamond, Sapphire, 18k Gold, Platinum
2010s American Contemporary Cocktail Rings
Beryl, Diamond, Gold, 18k Gold
Vintage 1920s Unknown Art Deco Engagement Rings
White Diamond, Platinum
Vintage 1910s Unknown Edwardian Engagement Rings
White Diamond, Platinum
Vintage 1920s Unknown Art Deco Engagement Rings
White Diamond, Platinum
21st Century and Contemporary Three-Stone Rings
Pink Diamond
Antique Early 1900s Unknown Edwardian Engagement Rings
White Diamond, Platinum
Vintage 1930s Unknown Art Deco Engagement Rings
White Diamond, Sapphire, Blue Sapphire, Platinum
2010s American Contemporary Fashion Rings
Diamond, Onyx, White Gold
Vintage 1920s Unknown Art Deco Engagement Rings
White Diamond, Platinum
2010s American Contemporary Cocktail Rings
Diamond, Emerald, 14k Gold, White Gold
21st Century and Contemporary Hong Kong Modern Pendant Necklaces
Diamond, 18k Gold, Yellow Gold
21st Century and Contemporary Hong Kong Modern Pendant Necklaces
Diamond, 18k Gold, White Gold
1990s Unknown Pendant Necklaces
Diamond, White Diamond, Quartz, Gold, 18k Gold, Yellow Gold
21st Century and Contemporary Japanese Modern Cocktail Rings
Diamond, Ruby, Platinum
21st Century and Contemporary Pendant Necklaces
Diamond, Platinum
21st Century and Contemporary Japanese Modern Cocktail Rings
Diamond, Tanzanite, Platinum
21st Century and Contemporary Thai Neoclassical Cocktail Rings
Diamond, Rubelite, 18k Gold, White Gold
21st Century and Contemporary Japanese Modern Cocktail Rings
Diamond, Sapphire, Blue Sapphire, Platinum
21st Century and Contemporary Japanese Modern Cocktail Rings
Diamond, Zircon, Platinum
20th Century Japanese Modern Cocktail Rings
Alexandrite, Diamond, Platinum
Late 20th Century Brooches
Diamond, Emerald, Pearl, Ruby, 22k Gold
2010s American Contemporary Cocktail Rings
Tourmaline, Diamond, Sapphire, 14k Gold, White Gold
21st Century and Contemporary Japanese Modern Cocktail Rings
Diamond, Yellow Sapphire, Gold, 18k Gold
2010s American Contemporary Engagement Rings
Diamond, White Diamond, Yellow Diamond, Platinum, 18k Gold
Antique Early 1900s Unknown Edwardian Engagement Rings
White Diamond, Sapphire, Blue Sapphire, 18k Gold, Yellow Gold
21st Century and Contemporary Indian Modern Pendant Necklaces
Diamond, White Diamond, Gold Plate, Yellow Gold, Sterling Silver, 10k Gold
Antique 1890s Unknown Victorian Engagement Rings
White Diamond, Emerald, 14k Gold, Yellow Gold
Antique 1890s Unknown Victorian Engagement Rings
White Diamond, Ruby, 14k Gold, Yellow Gold
Antique 1880s Brooches
Diamond, White Diamond, Gold, 14k Gold, Silver
2010s American Contemporary Dangle Earrings
Citrine, Diamond, Gold, 14k Gold, Yellow Gold
Antique 1880s Unknown Victorian Brooches
Diamond, 14k Gold, Sterling Silver
21st Century and Contemporary American Dangle Earrings
Diamond, Sapphire, Platinum
21st Century and Contemporary American Modern Engagement Rings
Diamond, Platinum
2010s Italian Artisan Lever-Back Earrings
Tourmaline, 18k Gold
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25 Carat Cushion For Sale on 1stDibs
How Much is a 25 Carat Cushion?
- 1stDibs ExpertSeptember 28, 2021The minimum value of a 25-carat diamond ranges from $300 to $1,400. The prices change subject to the fluctuation of market factors. The value is defined based on the 4Cs — color, clarity, cut and carat weight. Shop antique, vintage and new diamond jewelry on 1stDibs.