Untreated Blue Diamonds
2010s English Contemporary Signet Rings
Blue Sapphire, Sapphire, Diamond, 14k Gold
2010s Unknown Art Nouveau Drop Earrings
Diamond, Sapphire, Blue Sapphire, Platinum
2010s Unknown Art Deco Pendant Necklaces
Diamond, Sapphire, Blue Sapphire, 18k Gold
2010s Unknown Art Nouveau Engagement Rings
Blue Sapphire, Sapphire, Diamond, Platinum
Vintage 1950s Spanish Neoclassical Cluster Rings
Diamond, Blue Sapphire, 18k Gold
21st Century and Contemporary Contemporary Cocktail Rings
Diamond, White Diamond, Blue Sapphire, Platinum
21st Century and Contemporary North American Contemporary Cocktail Rings
Diamond, Blue Sapphire, Platinum
21st Century and Contemporary Cluster Rings
Yellow Sapphire, Blue Sapphire, Sapphire, White Diamond, Diamond, Yellow...
21st Century and Contemporary Pendant Necklaces
Blue Sapphire, Green Sapphire, Diamond, Sapphire, Gold, 18k Gold, White ...
21st Century and Contemporary Three-Stone Rings
Blue Sapphire
21st Century and Contemporary English Art Deco Engagement Rings
Blue Sapphire, Sapphire, Diamond, 18k Gold
21st Century and Contemporary American Modern Bridal Rings
Blue Sapphire, Platinum
2010s Unknown Contemporary Cocktail Rings
Diamond, Sapphire, Blue Sapphire, Platinum
2010s Italian Modern Solitaire Rings
Diamond, White Diamond, Blue Sapphire, Platinum
Vintage 1950s French Link Bracelets
Diamond, Sapphire, Platinum
2010s Italian Modern Cocktail Rings
Diamond, White Diamond, Blue Sapphire
21st Century and Contemporary Three-Stone Rings
Blue Sapphire
Antique 1860s British Victorian Bangles
Diamond, White Diamond, Sapphire, Blue Sapphire, 18k Gold, Yellow Gold
Antique 1860s British Victorian Bangles
Diamond, White Diamond, Sapphire, Blue Sapphire, 18k Gold, Yellow Gold
Antique Early 1900s European Edwardian Link Bracelets
Diamond, Topaz, Tourmaline, Imperial Topaz, 18k Gold
21st Century and Contemporary English Art Deco Engagement Rings
Diamond, Sapphire, 18k Gold
21st Century and Contemporary American Modern Engagement Rings
Sapphire, Tourmaline, Paraiba, 18k Gold, Platinum
21st Century and Contemporary American Modern Engagement Rings
Blue Sapphire, Sapphire, White Diamond, Diamond, Platinum
21st Century and Contemporary Pendant Necklaces
Purple Sapphire, White Diamond, Diamond, Green Sapphire, Yellow Sapphire...
21st Century and Contemporary Three-Stone Rings
Sapphire, Blue Sapphire, Yellow Sapphire, Green Sapphire, Diamond, Platinum
Vintage 1950s Unknown Retro Cocktail Rings
Diamond, Blue Sapphire, Platinum
21st Century and Contemporary Three-Stone Rings
White Diamond, Diamond, Sapphire, Blue Sapphire, Green Sapphire, White G...
21st Century and Contemporary Pendant Necklaces
Diamond, White Diamond, Sapphire, Blue Sapphire, Yellow Sapphire, Green ...
21st Century and Contemporary English Modern Engagement Rings
Diamond, Sapphire, 18k Gold
21st Century and Contemporary Modern Pendant Necklaces
Diamond, Tanzanite, Platinum, 18k Gold
21st Century and Contemporary Brazilian Contemporary Cocktail Rings
Alexandrite, Diamond, Gold, 18k Gold, Yellow Gold
21st Century and Contemporary Three-Stone Rings
Diamond, Sapphire, Blue Sapphire, Yellow Sapphire, Green Sapphire, 18k G...
21st Century and Contemporary American Modern Engagement Rings
Diamond, Sapphire, Blue Sapphire, 18k Gold, Rose Gold, White Gold
21st Century and Contemporary Unknown Contemporary Cocktail Rings
Diamond, Sapphire, Blue Sapphire, Platinum
20th Century American Art Deco Link Bracelets
Diamond, White Diamond, Sapphire, Blue Sapphire, Platinum
21st Century and Contemporary Cluster Rings
White Diamond, Diamond, Sapphire, Blue Sapphire, Yellow Sapphire, Green ...
2010s Unknown Belle Époque Cocktail Rings
Diamond, Sapphire, Gold, 18k Gold, Yellow Gold, Platinum
Vintage 1910s European Art Deco Link Bracelets
Diamond, Sapphire, 14k Gold, Silver
21st Century and Contemporary Modern Cocktail Rings
Diamond, White Diamond, Sapphire, Platinum
2010s Australian Contemporary Pendant Necklaces
Diamond, Opal, 18k Gold, Yellow Gold
2010s Australian Contemporary Pendant Necklaces
Diamond, Opal, 18k Gold, Yellow Gold
Antique 1880s European Victorian Dangle Earrings
Diamond, Sapphire, 18k Gold, Silver
21st Century and Contemporary Three-Stone Rings
Diamond, Sapphire, Blue Sapphire, Yellow Sapphire, Green Sapphire, Gold,...
Vintage 1950s French Art Deco Cocktail Rings
Diamond, Sapphire, Platinum
Antique Early 1900s European Edwardian Three-Stone Rings
Diamond, Sapphire, 18k Gold, Silver
2010s American Artist Cocktail Rings
Diamond, Sapphire, Gold, 18k Gold
20th Century Sri Lankan Contemporary Cocktail Rings
Sapphire, Diamond, White Gold, 14k Gold, Gold
21st Century and Contemporary Hong Kong Cocktail Rings
Diamond, Star Sapphire, Gold, 18k Gold, White Gold
Mid-20th Century Unknown Artisan Pendant Necklaces
Jade, Blue Sapphire, 14k Gold, Platinum
21st Century and Contemporary Modern Cocktail Rings
Paraiba, Tourmaline, Pink Diamond, White Diamond, Platinum
Antique Early 19th Century Romanian Art Nouveau Drop Earrings
Diamond, Sapphire, 14k Gold
2010s Australian Contemporary Drop Earrings
Diamond, Black Opal, Opal, White Gold, 18k Gold
Antique Late 19th Century European Victorian Bangles
Diamond, Sapphire, 18k Gold
Early 20th Century Unknown Contemporary Cocktail Rings
Diamond, Sapphire, Platinum
Early 20th Century Unknown Edwardian Cocktail Rings
Diamond, Sapphire, Platinum
Vintage 1930s European Art Deco Cluster Rings
Diamond, Sapphire, Platinum
2010s Sri Lankan Engagement Rings
Diamond, Sapphire, Blue Sapphire, Platinum
21st Century and Contemporary Modern Link Necklaces
Diamond, White Diamond, Tourmaline, Paraiba, Platinum
2010s Sri Lankan Engagement Rings
Diamond, Sapphire, Blue Sapphire, Purple Sapphire, Platinum
21st Century and Contemporary American Modern Engagement Rings
Diamond, White Diamond, Sapphire, Platinum
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Untreated Blue Diamonds For Sale on 1stDibs
How Much are Untreated Blue Diamonds?
- 1stDibs ExpertAugust 17, 2021Yes, a blue diamond is a real diamond. Contrary to popular belief, diamonds come in an array of colors aside from clear. Blue diamonds are neither color-treated nor enhanced to deliver the icy shade, which can range from a seafoam green to a royal blue.
- What is a blue diamond worth?1 Answer1stDibs ExpertFebruary 22, 2021A light blue 0.5 carat diamond is worth roughly $26,280 on average. A deep blue 0.25 diamond, costs $75,000 on average. Blue diamonds are the rarest color of diamond, only found in three areas of the world: Australia, South Africa, and India. The deeper the blue diamonds are even more rare and therefore more expensive.
- Are there blue-green diamonds?1 Answer1stDibs ExpertApril 5, 2022Yes, there are blue-green diamonds. However, natural ones are very rare, so most are man-made. The Dresden Green is the most famous example of a genuine blue-green diamond gemstone. You can find a wide selection of diamond gemstone jewelry on 1stDibs.
- Are Blue Nile diamonds legit?1 Answer1stDibs ExpertApril 22, 2024Yes, Blue Nile diamonds are legit. The jewelry maker offers both natural diamonds sourced from mines and lab-created diamonds produced via controlled scientific techniques. Both types of diamonds are legitimate or genuine gemstones. Find a range of Blue Nile diamond jewelry on 1stDibs.
- 1stDibs ExpertOctober 5, 2021The price of a natural blue diamond is determined first by the color and then its clarity. Depending on these factors and the size chosen, there is a huge variation in price. You will find the blue diamond price range from under $2,000 to over $10,000 on 1stDibs.
- 1stDibs ExpertOctober 5, 2021A blue diamond ring worth depends on the type of blue diamond. Ideally, a blue diamond’s cost is based on its 4Cs (cut, color, clarity, and carat), with the intensity of the color being the dominant factor. A blue diamond ring price ranges between $6,800 to $11,200. On 1stDibs, you can find a range of exquisite antique and vintage blue diamond rings.