Piqué are tiny black spots caused by undigested carbon inclusions (natts) within diamonds.
Piqué diamond
A diamond so classified for its lack of clarity (or purity) as a result of its having very small inclusions (piqués) of carbonaceous material, usually visible to the naked eye.
Piqué: (pee-kay). A decorative style popular in the 18th and 19th centuries of inlaying tortoise shell with a pattern of gold and silver. Tortoise shell melts like plastic when exposed to heat.
Piqué
Tortoiseshell or horn which is inlaid with mother-of-pearl, silver or gold
Planishing
A hammering process done to give a smoother finish to a piece of metal ...
Piqué
Piqué is a technical term used to classify the purity (clarity) of diamonds. Clarity is one of the four quality criteria (the "4 Cs") according to which the value of a diamond is appraised. Absolutely perfect diamonds, i.e.
Piqué
From French "prick", a needle or other inclusion in a diamond. First piqué (P1) is a clarity grade, the American equivalent is I1.
Pit ...
P1, P2, P3, Piqué, First, Second, Third Clarity grades of diamond in descending order, The American equivalents are I1, I2, I3. In a piquéd stone, the inclusion or inclusions would be visible to the human eye.
00:31, 11 November 2011 (hist) (diff) N Piqué ‎ (Redirected page to Pique) (top)
00:16, 11 November 2011 (hist) (diff) Unpublished:Grand Period 1860-1885 ‎ (â†'GRAND PERIOD VICTORIAN JEWELRY:) ...
of semi-precious stones set into a floral pattern of black marble or onyx, also known as a hardstone mosaic Pinchbeck A gold simulant, invented circa 1720 by Christopher Pinchbeck, which is comprised of a mixture of copper and zinc Piqué ...
 See also: Crystal, Stone, Color, Rough, Gemstone
  
|
RSS
