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weighing 650-8 carats. It was cut into a brilliant of 245-35 carats and a smaller pendiloque brilliant of 13-35 carats.
10. The Imperial, also known as the Victoria or
'Great White' came probably from the Jagersfontein mine. It weighed 469
carats and yielded two brilliants of 184-5 and 20-5 carats.
11.
The De Beers diamond, found in 1888 in the De Beer's mine at
Kimberley was more regular in shape being an octahedron with curved
faces. It was a pale-yellow stone weighing 440 carats, and yielded a
brilliant of 234-5 carats; the yield was 53-1/2%.
12. The Stewart was
a river stone from South Africa found in 1872 in the Vaal. It weighed
296 carats and yielded a brilliant of 123 carats. Many other larger
stones have been obtained from South Africa but were not of gem
quality, being off coloured and sold as bort.
Brazil. The
' Star of the South' was found at Bagajem in Minas Geraes in 1853. It
weighed 261-88 carats and was cut as a brilliant of 128-5 carats. Both
this and the smaller' Dresden' were acquired by the Gaekwar of Baroda.
The 'Star of Mine', weighing 179-37 carats, was found at Bagajem in
1911.
The
Vargas diamond was found in Coromandel, Brazil, and named after the
President of that country. It weighed 726-6 carats. The stone was
brought to the U.S. for cutting, which was'begun early in 1941, with
the expectation of producing 23 gems varying from 5-50 carats from
half of the stone, the other half beimg reduced to chips and dust in
the course of the cutting anc\ polishing.
Coloured diamonds.--Large
sized coloured stones are rare. The Hope blue diamond weighed 45-1/2
carats and is of a dull slaty blue colour and perfectly transparent. It
was sold in Paris in 1909 and is now in America. The 'Dresden Green', a
clear apple green brilliant of 41 carats twas of Indian origin. The
'Tiffany Yellow' is a canary
100
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