A substantial cognac spinel from Mogok — 1.81ct, eye-clean, with a well-proportioned 6.8 × 6.2 × 5.0mm outline. The depth on this stone is excellent, giving it good light return and a rich, warm face-up presence. At this size, a natural untreated cognac spinel with eye-clean clarity is genuinely uncommon.
Product Details
- Colour: Cognac
- Product Code: B0014
- Origin: Mogok, Myanmar
- Weight: 1.81ct
- Clarity: AAA — eye-clean, no inclusions visible to the naked eye
- Dimensions: 6.8 × 6.2 × 5.0mm
- Mineral: Natural Spinel (MgAl₂O₄)
- Hardness: 8 (Mohs scale)
- Treatments: None
Our Clarity Grading
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AAA+ — Loupe-clean: no inclusions visible under 10× magnification
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AAA — Eye-clean: no inclusions visible to the naked eye
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AA — Slight inclusions
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A — Moderate inclusions
Why Cognac?
Cognac spinel occupies a niche that most mainstream gemstone buyers overlook — which is precisely what makes it valuable to those who do pay attention. The warm, golden-brown tone sits beautifully alongside rose gold, yellow gold, and warm metal finishes. A stone of this size, clarity, and Mogok provenance is not something you encounter regularly. For a jeweller seeking an unusual centrepiece or a collector building a range of rare colour spinels, this is a significant find. No treatments. No enhancements.
About Natural Spinel Gem
We specialise in natural untreated spinel, sourced directly from small-scale miners in Mogok, Myanmar — one of the world's most celebrated gem origins. Gemstones are hand-cut locally. All gemstones are available for private viewing across London at your business premises or by appointment at Hatton Garden.
