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4.11 Ct Natural Untreated Green Tourmaline — Loupe Clean

At 4.11 carats, this green tourmaline (verdelite) shows a deep, forest-green color with excellent transparency — held up to a loupe, the stone is genuinely clean, with no visible inclusions disrupting its play of light. Tourmaline's natural pleochroism gives it subtle shifts of tone as it's tilted, moving between a darker bottle-green and a brighter, more yellow-toned green depending on the angle.

This stone has received no heat or other treatment, which is increasingly uncommon for tourmaline in this size and clarity — most commercial green tourmaline on the market shows at least some included material to the naked eye. A loupe-clean, untreated stone of this size represents genuinely fine quality within the species.

Tourmaline sits at 7 to 7.5 on the Mohs scale, giving it good everyday durability, and it takes a high polish that suits both fine jewelry settings and collector cabinets alike.

• Type: Natural Tourmaline (Verdelite)

• Treatment: None / Untreated

• Weight: 4.11 Cts.

• Color: Green

• Clarity: Loupe Clean


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At 4.11 carats, this green tourmaline (verdelite) shows a deep, forest-green color with excellent transparency — held up to a loupe, the stone is genuinely clean, with no visible inclusions disrupting its play of light. Tourmaline's natural pleochroism gives it subtle shifts of tone as it's tilted, moving between a darker bottle-green and a brighter, more yellow-toned green depending on the angle.

This stone has received no heat or other treatment, which is increasingly uncommon for tourmaline in this size and clarity — most commercial green tourmaline on the market shows at least some included material to the naked eye. A loupe-clean, untreated stone of this size represents genuinely fine quality within the species.

Tourmaline sits at 7 to 7.5 on the Mohs scale, giving it good everyday durability, and it takes a high polish that suits both fine jewelry settings and collector cabinets alike.

• Type: Natural Tourmaline (Verdelite)

• Treatment: None / Untreated

• Weight: 4.11 Cts.

• Color: Green

• Clarity: Loupe Clean