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Ceylon Natural Grayish-Violet Spinel – A Rare Dual-Tone Masterpiece from Nivithigala

Sri Lanka has long been recognized as one of the world’s most important sources of fine gemstones, and among its lesser-seen treasures is the naturally occurring grayish-violet spinel. This exceptional 1.57 ct Ceylon Natural Spinel is a refined example of how nature, source, and cutting decisions come together to create rarity and value.

This spinel originates from Nivithigala village around mining in Sri Lanka, an area known for producing spinels with complex internal color zoning rather than flat, single-tone saturation. The original rough weighed 8.87 carats, measuring 14.5 × 11.5 × 5.5 mm, and was completely natural and unheated.

In its rough state, the crystal displayed a distinctive mix of grayish-violet and blue color zones, along with visible white smoky areas and minor inclusions. While it was technically possible to retain more weight and achieve a larger finished stone, Danu Group made a conscious decision to prioritize clarity and refinement over size. By carefully removing all smoky areas and inclusions during cutting, the final result is a loupe-clean gemstone, finished at 1.57 carats.

The finished spinel is precision-cut in an octagon shape, measuring 6.69 × 5.91 × 4.50 mm, enhancing its symmetry, brilliance, and color balance. Under natural daylight, the stone often presents a blue spinel appearance, while indoor or controlled lighting reveals its true grayish-violet character. This optical behavior is entirely natural and caused by the stone’s internal color zoning—an uncommon and highly collectible feature among fine spinels.

Certified by CSL – Colored Stone Laboratory, this gemstone stands as a transparent, ethically sourced example of Sri Lankan spinel craftsmanship. It reflects Danu Group’s philosophy: sourcing directly from mining villages, making responsible cutting decisions, and offering gemstones that balance beauty, integrity, and rarity.