The Golden Jubilee diamond, weighting in rough 755 carat

This is the largest faceted diamond in the world. Since 1908, Cullinan 1, also known as the Great Star of Africa, had held the title, which changed following the 1985 discovery of a large brown diamond of 755 carat (151 g) found in the Premier mine in South Africa; the diamond would later be cut with an as-of today unsurpassed weight of 545.67 carats (109.13 g).

The Premier mine was also the origin of the Cullinan diamonds in 1905, as well as other notables such as the Taylor-Burton in 1966 and the Centenary in 1986.

The Golden Jubilee Diamond has been exhibited at Henry Ho's 59-story Jewelry Trade Center in Bangkok, the Central Department Store in Lard Prao, Thailand, and internationally in Basel (Switzerland), Borsheims in Omaha, USA and Gleims Jewelers in Palo Alto, USA. It is now located in the Royal Thai Palace as part of the crown jewels.

The Earth Star Diamond Pear shape. 111.59 carat

This brown stone diamond that was found at the De Beers, Jagersfontein Mine in South Africa on May 16th, 1967. It comes from a rough gem weighting 248.9 carats.

This pear-shaped diamond has a strong brown color and extraordinary brilliance, Argyle color grading scale is reported as equivalent to fancy cognac and C7 color grade. It was exhi­bited along with many other notable Diamonds in the "De Beers Hall" of the mining museum in 1971. The diamond was bought in 1983 for $900,000 by Stephen Zbova of Naples, Florida.

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