CERTIFIED BI-COLOR TOURMALINE - NIGERIA - 4.20 Carats

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Start price: $850

Estimated price: $3,000 - $4,000

Buyer's premium: 21.5%

NATURAL BI-COLOR TOURMALINE – RARE GEM – Provenance NIGERIA – 4.20 Carats – Color PINK & yellowish-GREEN – Octagon Shape – 15.11 x 6.69 x 3.98 mm- Clarity IF (Eye Clean) – Unheated – Untreated – Certificate GFCO (Swiss Laboratory) AA30821P

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