Cullinan IV
| Gemstone: | Diamond |
|---|---|
| Source: | Premier Mine, South Africa |
| Weight: | 63.6 cts |
| Cut: | Cushion |
| Current Location: | |
| References: | Walter Schumann (2001) Gemstones of the World http://en.wikipedia.org/wiki/Cullinan_Diamond |
| Information Source: | Walter Schumann (2001) Gemstones of the World |
| History: | Originally set in the front of the circlet of the Crown of Queen Mary. It now forms part of a brooch together with the Cullinan III. |