Kimberlite Diamond (brand) Kimberlite Diamond (brand) Kimberlite Diamond () is China's first diamond jewellery manufacturer and retailer with a nationwide sales network. Kimberlite Diamond was founded in 1995 and the brand is China's first diamond-based retailing jewelry company. In 1997, the brand reached a "Quality Appraisal Agreement" with the HRD (Belgian High-level Diamond Council) which gave local Chinese consumers confidence. In September, 1998, the brand became a member of the Gems & Jewelry Association of China. In 2007, Kimberley Diamond Design Work "SOPRANO (Soprano)" was one of the finalists for the "Opera Night" Diamond Design Competition in the HRD AWARDS 2007 held by
Kimberlite of tabular, vertically dipping feeder dykes in the root of the pipe, which extends down to the mantle. Within of the surface, the highly pressured magma explodes upwards and expands to form a conical to cylindrical diatreme, which erupts to the surface. The surface expression is rarely preserved but is usually similar to a maar volcano. Kimberlite dikes and sills can be thin (1–4 meters), while pipes range in diameter from about 75 meters to 1.5 kilometers. Two Jurassic kimberlite dikes exist in Pennsylvania. One, the Gates-Adah Dike, outcrops on the Monongahela River on the border of Fayette and Greene