Mosasaur & Spinosaurus Fossil Ring – Tungsten Carbide

Spinosaurus Tooth & Mosasaur Fossil Tungsten Ring

Handmade in Bristol from genuine Spinosaurus tooth and Mosasaur fossil, set in durable tungsten carbide.

A Piece of History

Carry over 100 million years of ocean and river history on your hand. Each ring is inlaid with authentic Mosasaur fossil from the Niobrara Formation in Kansas, USA, and Spinosaurus tooth fossil from the Kem Kem Beds in Morocco.
Two apex predators from different worlds — one that ruled the seas, the other the rivers — united in one striking design.

Crafted to Last

• Tungsten carbide – exceptionally strong and scratch-resistant

• Hand-finished in my Bristol studio

• Comfort-fit design

• Available in 4 mm, 6 mm, or 8 mm widths

  • 4 mm – minimal and elegant

  • 6 mm – balanced and timeless

  • 8 mm – bold and striking, revealing the fossil’s raw texture

Included With Your Order

• Handmade fossil ring

• Fossil information card

• Care guide & polishing cloth

• Free lifetime repairs and resizing

• Eco-friendly, gift-ready packaging

About the Maker

I’m Tom, a Bristol-based jeweller combining natural history with fine craft. With hundreds of five-star reviews, I focus on authenticity, quality, and personal service — creating jewellery that’s made to be worn and treasured.

Shipping, Repairs & Resizing

All prices include tracked worldwide shipping and a lifetime warranty covering damage, age-related wear, and resizing.