Grey Mogok Spinel 3.85ct | Untreated | UK

A substantial 3.85ct grey natural spinel from Mogok, Myanmar — untreated, eye-clean, and carrying the refined steel-grey tone that has made grey spinel increasingly desirable among collectors and high-end jewellery designers. A significant stone at this carat weight for this colour.

Product Details

• Colour: Grey
• Weight: 3.85ct
• Origin: Mogok, Myanmar
• Clarity: Eye-Clean (AAA)
• Mineral: Natural Spinel
• Hardness: 8 (Mohs scale)
• Treatments: None
• Product Code: D002

Our Clarity Grading

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

Investment Potential

Grey spinel from Mogok has gained significant recognition in specialist gem markets in recent years. At nearly 4 carats, this stone offers weight, colour, and Mogok provenance in a combination that is genuinely hard to source. Completely untreated — the colour is natural and carries no enhancement of any kind. Suitable for serious bespoke commissions or investment collections.

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.