Darker Diamonds Apr 2026

Compare black diamonds for an engagement ring. Explore other dark gemstones like Black Spinel or Onyx. Black Diamond Buying Guide: What You Need to Know

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

💡 Because they are so heavily included, natural black diamonds can be more brittle than white diamonds and may chip if struck hard. ✨ Symbolism & Famous Stones Compare black diamonds for an engagement ring