Diamond NFTs, Real Value
Each NFT represents a real, authenticated gem from a certified diamond vault with full provenance.
NFT holders can redeem their digital token for the actual physical gem at any time.
Access the diamond commodity market with fractional ownership and transparent pricing.
Physical gems stored in certified, insured vaults with regular third-party audits.
Buy and resell diamond NFTs on the marketplace with confidence and verified authenticity.
Breaking international barriers for diamond investment — trade from anywhere in the world.
Explore authenticated diamonds in our certified vault collection.
Buy the NFT representing your chosen gem with crypto or fiat.
Keep your diamond NFT as an investment or trade it on the marketplace.
Convert your NFT into the physical gem, shipped securely to your door.



Onyx is a diamond NFT platform where users around the world can buy NFTs representing unique, authenticated gems from a certified diamond vault. Each NFT is backed by a real physical diamond.
Every diamond in the Onyx vault is certified by independent gemological laboratories. Each gem comes with full provenance documentation, and the vault undergoes regular third-party audits to ensure authenticity and security.
Yes! NFT holders can redeem their digital token for the actual physical gem at any time. The diamond will be securely shipped to your door with full insurance coverage during transit.
Diamond NFT pricing is based on the current market value of the underlying gem, factoring in carat weight, cut, clarity, and color. Prices are transparently updated to reflect real commodity market conditions.
Onyx leverages blockchain technology to ensure transparent ownership records, immutable provenance tracking, and seamless peer-to-peer trading of diamond NFTs on the secondary marketplace.
Yes. All physical diamonds stored in the Onyx vault are fully insured. The vault facilities are certified and regularly audited by independent third parties to maintain the highest security standards.