These are polycrystalline, meaning they are composed of millions of tiny crystals fused together rather than one single crystal. They are found almost exclusively in Brazil and the Central African Republic.
Black diamonds are evaluated differently than the standard "4Cs" used for colorless stones. Standard Diamond Black Diamond Graded D to Z (colorless is best) Assigned a single grade: "Fancy Black" Clarity Valued for lack of inclusions Valued for high density of inclusions Sparkle Maximized through light reflection Replaced by a mirror-like surface luster Price Typically $5,000+ per carat (high grade) Natural: $3,000–$5,000 ; Treated: $100–$200 per carat Darker Diamonds
Black diamonds differ from white diamonds not in their chemical makeup—both are pure carbon—but in their physical structure. These are polycrystalline, meaning they are composed of
Today, they symbolize strength, rebellion, and unconventional love . They gained mainstream popularity after being featured in Sex and the City 2 as Carrie Bradshaw's engagement ring. Standard Diamond Black Diamond Graded D to Z
Sold for $4.29 million in 2022, this 555.55-carat carbonado is the largest faceted diamond in the world. Find where to buy certified black diamond jewelry.
Historically, black diamonds were often overlooked or even considered "cursed".
Some scientists suggest carbonados may have originated from outer space , arriving on Earth via meteorite impacts billions of years ago.