|La Belle Helene Diamond Lake George diamond Landak River lapper|
|Written by Administrator|
|Friday, 21 September 2007|
La Belle Helene diamond. An exceptionally fine 160-carat alluvial diamond. Found on the Orange River, Republic of South Africa in 1951. Bought by Romi Goldmuntz of Antwerp for £80,000 and named for his wife. Cut in the U.S. into three stones: matching pear shapes of 30.28 and 29.71 carats and a 10.50-carat marquise. All were sold privately.
Lace (or Crown) Mine. A diamond mine of minor importance located about 100 miles south of Johannesburg in the Kroonstad district, Orange Free State, Republic of South Africa.
La Favorite diamond. A top-quality 50.28-carat stone. Exhibited at Chicago World's Fair in 1934, when it was owned by a Persian and valued at $1,000,000. Present location unknown.
lambreu. A Brazilian term for irregular diamond fragments.
Landak River. A source of early diamond deposits on the Island of alimantan, formerly called Borneo.
lap. A flat, horizontal, diamond-dust-impregnated cast-iron wheel, 12 to 18 inches in diameter, that revolves about a vertical shaft. It is used for grindingpolishing facets on Diamonds. Another name is scaife (also spelled skeif or skaif). diamond-charged laps, often made of other materials, are also used for industrial purposes and for fashioning colored stones. (See photo.) and
lapidary (or lapidist). A cutter, grinder and polisher of colored stones. In the trade a lapidary is not necessarily an engraver of gems, this being considered a specialized art. A cutter and polisher of Diamonds is classed as a diamond cutter, as distinguished from a gem cutter, or lapidary.
lapper. See blocker.
lapping. See blocking.
La Reine des Beiges diamond. A
50-carat diamond. Thought to have been owned by the Queen of Bel-
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