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5.95 ct·Emerald·Silver
Only one available
Request 360° lightbox shots360° lightbox shotsStone details ↓Certified by our gemologists·Hand-finished in Arusha
The Stone
Tourmaline comes in more colours than any other gem, and Tanzania’s Usambara and Umba regions produce some of the finest, including the rare chrome tourmaline. Our gemologists grade every tourmaline on colour, clarity, cut and carat. Here is how to read them, and where this piece sits.
This piece · graded by our gemologists
From pink and red to green, blue and the bi-coloured “watermelon”, tourmaline is judged on the purity and evenness of its colour; chrome green and neon blue-green stones are the most sought after.
Our gemologists grade clarity in three steps: Internally Flawless — nothing to find even under 10× magnification; Small inclusion — a trace only a loupe reveals; Medium inclusion — a natural feature you may find with the naked eye, in a stone chosen for its colour. Pink and red tourmaline often carry fine needles; green stones are usually clean.
Long crystals make elegant rectangular and emerald cuts natural for tourmaline; the cutter also orients the stone so the strongest colour faces up, as tourmaline shows different tones down its length.
This piece: Emerald
Tourmaline is available in generous sizes, so value follows colour and clarity rather than weight; a clean, vivid three-carat stone outranks a dull ten.
This piece: 5.95 ct
Details of the stone
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