Nepal Pink Diamond Nevada diamond New South Wale
Written by Administrator   
Friday, 21 September 2007
Nepal Pink diamond. A stone re¬ported by a United States gem dealer, while in Nepal in 1959, as a 72-carat, old Indian cut, with a "soft, rose-pink" color. Further information lacking.
Netherlands Diamant-Speurwerk Centrum. A Dutch research center established in 1954 by the Amster¬dam Jewelers' Association for the purpose of carrying out investiga¬tions aimed at improving diamond cutting techniques and machines, and increasing the quality of the Netherlands product. Nevada black diamond. A misnomer for obsidian.
Nevada diamond. A misnomer for ar¬tificially decolorized obsidian.
New Eland Mine. A small diamond pipe mine in the Boshof area, Or¬ange Free State, Republic of South Africa.
New Jagersfontein Mining & Explo¬ration Co., Ltd. The company that owned the Jagersfontein Mine, in the district of Fauresmith, Orange Free State, Republic of South Africa. The mine was closed in 1971. The prop-

erty and plant were leased under an agreement to De Beers Consolidated Mines, Ltd. See JAGERSFONTEIN MINE.
New South Wales. The principal diamond-producing State in Aus¬tralia. See AUSTRALIA.
New Star of the South diamond. See
New Thor Mine. A small diamond pipe mine in the Winburg area, Orange Free State, Republic of South Africa.
New Union Coldfields Group. A South African mining concern, of which Star Diamonds (Proprietary), Ltd., in the Orange Free State, is a subsidiary. See STAR Diamonds (PROPRIE¬TARY), LTD.
Ngelehun. The site of a rich alluvial diamond deposit that was reported in 1958 in Sierra Leone.
N'Gounie. An alluvial diamond de¬posit in Gabon that has been all but exhausted.
Niarchos diamond. A 426.50-carat flawless diamond of exceptionally fine color that was found in the Pre¬mier Mine, Republic of South Africa, in 1954. The late Sir Ernest Op-penheimer (Chairman of De Beers Consolidated Mines, Ltd., the owner of the Premier Mine), who had the rough in his personal collection for a short time, valued it at $300,000. In
1956, it was sold as part of an
$8,400,000 parcel to Harry Winston,
New York City gem dealer, who, in
1957, cut it into a 128.25-carat pear-
shaped brilliant with 58 facets on the
crown and pavilion and 86 addi¬
tional facets around the girdle. In the
same year, it was bought by Stavros
S. Niarchos, Greek ship-builder

and industrialist, for a reputed $2,000,000. A 30-carat marquise and a 40-carat emerald cut were also ob¬tained from the same rough. It was pictured in color in the April 1958 issue of National Geographic Magazine. Also known as the Ice Queen and the Pretoria diamond. nick. A minor chip out of the surface of a diamond, usually caused by a light blow. Nicks are more likely to be found along the girdle than elsewhere, although they may also appear along a facet junction or on a facet.