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Natural Violetish Blue Zoisite Oval, 3.92 Carats – Sri Lanka

At 3.92 carats and cut as a lively oval (10.77 x 9.08 x 6.7mm), this stone wears the same velvety violetish-blue that made tanzanite famous — but it comes from an entirely different corner of the earth: Sri Lanka. Gemologically, it is zoisite, the same mineral species as tanzanite, and it shares the strong trichroism that makes fine violet-blue zoisite so magnetic: tilt it and you catch flashes of blue, violet, and warm brown-gold shifting across the facets.

Because true Tanzanian tanzanite is confined to a single small mining area near Mount Kilimanjaro, a natural violetish-blue zoisite from Sri Lanka's gem gravels is genuinely uncommon on the market and offers collectors an honest, well-disclosed alternative to mainstream tanzanite. The oval brilliant cut is well-proportioned with clean facet meets and good light return, showing minimal visible inclusions to the eye.

As with all zoisite, it sits at 6-7 on the Mohs scale, so it's better suited to pendants, earrings, and occasional-wear rings than daily-knock rings — a gem for someone who wants a genuinely rare stone with a story, not just a common commercial sapphire or amethyst.


• Type: Natural Zoisite Tanzanite

• Weight: 3.92 Cts.

• Color: Violetish Blue

• Shape/Cut: Oval

• Measurements: 10.77 x 9.08 x 6.7mm

• Origin: Sri Lanka


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At 3.92 carats and cut as a lively oval (10.77 x 9.08 x 6.7mm), this stone wears the same velvety violetish-blue that made tanzanite famous — but it comes from an entirely different corner of the earth: Sri Lanka. Gemologically, it is zoisite, the same mineral species as tanzanite, and it shares the strong trichroism that makes fine violet-blue zoisite so magnetic: tilt it and you catch flashes of blue, violet, and warm brown-gold shifting across the facets.

Because true Tanzanian tanzanite is confined to a single small mining area near Mount Kilimanjaro, a natural violetish-blue zoisite from Sri Lanka's gem gravels is genuinely uncommon on the market and offers collectors an honest, well-disclosed alternative to mainstream tanzanite. The oval brilliant cut is well-proportioned with clean facet meets and good light return, showing minimal visible inclusions to the eye.

As with all zoisite, it sits at 6-7 on the Mohs scale, so it's better suited to pendants, earrings, and occasional-wear rings than daily-knock rings — a gem for someone who wants a genuinely rare stone with a story, not just a common commercial sapphire or amethyst.


• Type: Natural Zoisite Tanzanite

• Weight: 3.92 Cts.

• Color: Violetish Blue

• Shape/Cut: Oval

• Measurements: 10.77 x 9.08 x 6.7mm

• Origin: Sri Lanka