Grey Mogok Spinel 3.97ct | Untreated | Loupe-Clean | UK

A premium 3.97ct grey natural spinel from Mogok, Myanmar — loupe-clean clarity, completely untreated, and a rich steel-grey hue with natural brilliance. Grey spinel of this weight and clarity grade is rarely available. An ideal centrepiece stone for a high-end bespoke commission or a collector's investment.

Product Details

• Colour: Grey
• Weight: 3.97ct
• Origin: Mogok, Myanmar
• Clarity: Loupe-Clean (AAA+)
• Mineral: Natural Spinel
• Hardness: 8 (Mohs scale)
• Treatments: None
• Product Code: D003

Our Clarity Grading

• AAA+: Loupe-clean
• AAA: Eye-clean (no inclusions visible to the naked eye)
• AA: Slight inclusions
• A: Moderate inclusions

Why This Stone?

Loupe-clean spinel above 3 carats is a genuinely rare find. Grey spinel is a sophisticated, understated choice that has gained strong interest from designers and collectors globally. This stone is entirely natural, with no treatments of any kind — its colour and clarity are exactly as nature created them in Mogok, Myanmar.

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.