Where To Buy Uncut Diamonds | UHD 2025 |

These specialized retailers focus on rough diamonds for collectors and custom jewelry designers.

: For higher-value rough stones, consider auction sites like Gem Rock Auctions , which often feature conflict-free natural grey or silver rough diamonds. where to buy uncut diamonds

: Look for characteristic diamond shapes such as octahedrons (two triangles pushed together) or dodecahedrons . These specialized retailers focus on rough diamonds for

: A leading source for ethically mined, Kimberley Process-certified rough diamonds. They offer a wide variety of shapes, including octahedrons and dodecahedrons , with options like the Rough Diamonds Boart ($650.00) or individual stones handpicked for quality. : A leading source for ethically mined, Kimberley

: The Gemological Institute of America (GIA) provides reports that use scientific evaluation to confirm a diamond's geographic origin. However, note that these are usually only available for diamonds that have gone through GIA Rough Analysis before polishing.

: This is the global standard to prevent "conflict diamonds" from entering the mainstream market. Most reputable retailers, such as Black Rose , explicitly list KP compliance for their 3.10-carat natural rough stones.

: A direct manufacturer offering competitive pricing on loose natural rough diamonds. You can find various sizes and colors, often at a lower price point, such as a 1.40 ct Blue Rough Diamond for $425.00.