91.40 Carat Natural Rough Black Diamond Cube

This lustrous, huge rough black diamond mined in Canada weighs 251.76 carats. Black diamonds owe their opaque color to natural impurities in the crystal lattice and make beautiful co...

This extremely lustrous and large rough black diamond mined in Canada weighs 86.22 carats. Black diamonds owe their opaque color to natural impurities in the crystal lattice and make...

Presenting a once-in-a-lifetime opportunity: This monumental 230.25 carat carbonado diamond is the largest natural black diamond available on the market. Known for their extraordinary rarity and captivating origin, carbonado diamonds are believed by many in the scientific community to have formed in space and arrived on Earth via ancient meteorite impacts – making them not just gemstones, but celestial relics. This uncut, museum-grade carbonado black diamond...

This lustrous rough black diamond mined in Canada weighs a hefty 71.19 carats. Black diamonds owe their opaque color to natural impurities in the crystal lattice and make beautiful c...

AAA quality raw black tourmaline crystal from India. This Specimen deeply striated, with a high-wet luster. Under Black Tourmaline's protection, not even the worst downer can burst ...

One loose diamond described as follows... Pre-owned in excellent condition. Might show minor signs of wear. One (1) oval brilliant cut natural diamond: Measurements: 23.05mm x 16....

This pretty Purple spinel Cushion cut , weighs 1.81 carats and would make a beautiful 3-stone ring, though its shape lends itself to a variety of possibilities! It measures 8.09 x 6....

Loose Black Tourmaline Weight: 4.20 Carat Dimension: 9.5 x 9.3 x 6.2 Mm Treatment: None Certificate: On Demand Origin: Afghanistan Black tourmaline is a powerful protective s...