Conflict-free rough diamond parcels from East Africa

A polished diamond is engineered for light. A rough diamond is judged before that transformation: by crystal form, integrity, inclusions, colour, dimensions and probable cutting yield. It may resemble quartz or corundum to an untrained eye. Appearance alone is not identification, and sparkle is not a specification.

“Rough,” “uncut” and “raw” describe diamond material that has not been fashioned into a polished gem. For a manufacturer, the real question is harder: what polished outcome can this exact crystal produce, and what evidence supports its natural origin and lawful trade?

Natural diamonds crystallize deep within the earth under extreme pressure and temperature, then reach the surface through rare volcanic events. The recovered crystal is the rough diamond traded between miners, dealers, cutters and manufacturers. A polished retail shape is a different product.

Rough material spans colourless, near-colourless and coloured crystals. Surface texture, skin, inclusions and crystal habit can conceal what lies inside. That uncertainty is why professional buyers combine visual examination with parcel-appropriate gemological testing instead of buying from photographs or colour language alone.

Feathers, clouds, fractures and colour zoning are not romantic details; they influence durability, planning and recoverable value. Each feature belongs in the parcel record before valuation.

Diamond ranks 10 on the Mohs hardness scale, but hardness is not proof of identity. Scratch testing can damage material and cannot support a commercial representation by itself. Verification should use suitable gemological observation and instrumentation under the agreed inspection protocol.

Natural raw diamonds are found in a variety of colors and shapes which are called fancy color diamonds. Rough diamonds exist in pink, yellow, cognac, brown, blue, green, gray black, and other colors. The most relevant shape is an octahedron.

It looks like pyramids fixed together on both sides of a raw diamond. Some shapes are different than octahedrons, other irregular rough diamonds like triangles, rough sphere balls, and mackles look like glass-like surfaces and reflect more light inside. Raw diamond cubes are exactly shaped as they are named; a fully formed cube has a surface similar to a raw diamond ball. Cubes can look opaque matte, and they have texture on surfaces like tiny clear crystals.

Rough diamonds can be preserved as natural crystals, partially fashioned or planned for full cutting. Designers use them in rings, earrings, bracelets, pendants and multi-stone pieces; manufacturers may instead acquire a parcel for calibrated polished production. The setting must respect the crystal’s cleavage, fractures and irregular geometry. The stone dictates the design. Never the reverse.

Rough diamonds come from mines where legal mining is allowed by the government. Mine production is dispatched to diamond cutters and polishers worldwide, and international rough-diamond shipments are regulated through the Kimberley Process Certification Scheme (KPCS).

Souq Ore handles natural rough-diamond parcels on a transaction-specific basis. Documentation, origin, inspection, export clearance and Kimberley Process status are verified for the parcel before any compliance representation is made. Secure delivery is arranged under contract through an appointed Brinks, Malca-Amit or G4S-class carrier to KWI, MCT, BAH, DOH, RUH, JED, DXB or AMM.