Natural Mogok Spinel Gemstones for Unique Engagement Rings

Choose an engagement gemstone formed by nature over millions of years—not man-made or lab-created. Discover natural, untreated spinels sourced from the legendary mines of Mogok, Myanmar, renowned for exceptional gemstones for more than 800 years. With a hardness of 8 on the Mohs scale, spinel offers lasting durability, exceptional brilliance and rare individuality for a truly personal engagement ring. UK-based, with private gemstone viewings available in London. Choose your gemstone first, then create your dream engagement ring.
135 products
Transparent Bright Grey Spinel, 1.40ct, perfect for elegant and sophisticated custom jewellery designs.
Transparent Bright Grey Natural Spinel 1.40ct Cushion Cut

Bright Grey Mogok Spinel 1.40ct | Untreated | UK

£525
Grey Natural Spinel 1.35ct Eye Clean Clarity Cushion Cut
Grey Natural Spinel 1.35ct Eye Clean Clarity Cushion Cut

Grey Mogok Spinel 1.33ct | Natural Untreated | Eye-Clean | UK

£510
1.24ct Green Natural Spinel from Mogok, Myanmar. Ethically sourced with a vivid green hue, ideal for fine jewellery and collectors.
Green Natural Spinel 1.24ct Cushion Cut

Green Mogok Spinel 1.24ct | Untreated | UK

£620
Octahedron Spinel Crystal 0.37ct

Mogok Spinel Octahedron Crystal 0.37ct | Nat Thew | Collector's Piece | UK

£400
Perfectly Shaped Octahedron Crystal 0.35ct

Mogok Spinel Octahedron Crystal 0.36ct | Nat Thew | Collector's Piece | UK

£400
Pink heart-shaped Burmese spinel gemstone, with a hardness of 8, making it perfect for fine jewellery. This August birthstone offers affordable luxury with brilliant sparkle.
Pink Heart-Shaped Natural Spinel 0.90ct

Pink Mogok Spinel 0.90ct | Heart Cut | Untreated | UK

£570
Rare 1-carat pastel orange heart-shaped spinel from Myanmar, perfect for gemstone collectors and one-of-a-kind bespoke jewellery pieces. Ethically sourced and natural.
Pastel Orange Heart Shaped Spinel 1ct

Pastel Orange Mogok Spinel 1ct | Heart Cut | Untreated | Rare | UK

£500
1.05ct heart-shaped orange spinel, ethically sourced from Myanmar, perfect for London fine jewellery collections and custom designs. A natural untreated gemstone with brilliant fire.
Bright Orange Heart Shaped authentic Burmese Natural Natural Spinel 1.05ct

Bright Orange Mogok Spinel 1.05ct | Heart Cut | Untreated | UK

£525
Rare magenta-pink heart-shaped Burmese spinel gemstone, ethically sourced and untreated, showcasing vibrant sparkle. Ideal for high-end bespoke jewellery.
Magenta-Pinkish Colour Heart-Shaped, Mogok Origin, Burmese Natural Spinel 0.70ct

Magenta-Pink Mogok Spinel 0.70ct | Heart Cut | Untreated | UK

£350