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Other Indian Mineral Specimens

Diamond

The hardest natural mineral — India's historic gem.

Natural colours
Available forms for bulk order
Mineral groupNative element
Chemical formulaC
Crystal systemCubic (isometric)
Hardness (Mohs)10

Rough diamonds are traded only through licensed channels — listed for information.

About the stone

What is Diamond?

Diamond is pure carbon crystallised under enormous pressure deep in the earth. At 10 on the Mohs scale it is the hardest natural mineral.

India was the world's only source of diamonds for centuries — the Golconda mines of Andhra Pradesh produced famous stones — and Panna in Madhya Pradesh still mines them.

Care & cleaning

Clean with lukewarm water, a drop of mild soap and a soft brush, then dry with a soft cloth. Store apart from softer stones to avoid scratches.

Made from Diamond

Forms we supply

Every form below is available in wholesale quantities. Ask for sizes, grades and packing.

Bulk & wholesale supply

Order Diamond in bulk

We supply raw stones, tumbled and polished pieces, carvings, beads and finished jewellery such as pendants and bracelets by the kilo or by the piece. Tell us what you need and we will reply with availability, sizes and lead time.

Photo credits
  • Photo: James St. John — CC BY 2.0, via Wikimedia Commons — source
  • Photo: DGPC/ADF Luísa Oliveira — CC0, via Wikimedia Commons — source
  • Photo: Jerry Cone — Public domain, via Wikimedia Commons — source