Keystone: A retail keystone price means the cost of a jewelry item is 50% of that figure, of if you will, a 100% retail markup.
keystones
Rhinestones with a trapezoid shape; a tapered baguette with one end longer than the other. (Named for the keystone blocks used in arches in masonry.)
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Keystone - A wholesaler's term, usually meaning half the marked price for a quantity purchase.
Jeweler's Circular Keystone (JCK) Article on the new "Be Born to Tanzanite" Marketing campaign
Tanzanite on the News
News Agency Reports on Tanzanite Prices ...
Jewelers' Circular-Keystone, December, p. 75; RWHL*.
Bank, H. (1973) From the World of Gemstones. Trans. by E.H. Rutland, Innsbruck, Pinguin-Verlag, 178 pp.; RWHL.
Brown, J.C. (1933) Ruby mining in Upper Burma. Mining Magazine, June, pp.
Richard Hughes thanks Robert Weldon and Jewelers' Circular-Keystone for making his first trip possible. Thanks also to Robert Frey for a careful reading of the manuscript, Elaine Ferrari-Santhon and Dona Dirlam of the Richard T.
Keystone: 50% off the price marked. The purchaser pays one-half the price marked on the label.
Double Keystone: 75% off the price marked. The purchaser pays one-fourth the price marked on the label.
Triple Keystone: 66% off the price marked.
In 1927 Walter Lampl wrote an article for the Keystone jewelry trade magazine in which he proposed changing the November birthstone from topaz to jade.
It was also during this time that I was asked to serve as editor of a JC/K publication, Vista Joyera, by none other than George Holmes, editor of Jewelers Circular/Keystone for the past 24 years.
According to the May 1999 issue of Jeweler's Circular-Keystone (page 36), this is actually a manmade glass that contains "rock dust" (not ash) from Mount St. Helens. It is distributed by Emerald Fox in Seattle and Leavenworth, Washington.
The deposits of Chrysacolla in the Keystone mine were first discovered in 1905, though Native Americans had mined similar material from nearby locations hundreds of years earlier.
HPH106, Hemimorphite, [N], 23.7x13.7mm Cabochon, Keystone Cut, 15.18 ctw. $ 49.99 pair
HPH110, Hemimorphite, [N], 27.1x16.1mm Cabochon, Keystone Cut, 23.34 ctw. $ 59.99 pair
Heart Shapes ...
D. Lisner & Co. introduces 'Bois Glacé' jewelry, their trade name for colorless phenolic plastic (Bakelite) laminated to wood
The Jewelers' Circular merges with The Keystone to become Jewelers' Circular-Keystone
1936 ...
In addition to these more common fancy shapes, there are a myriad of other innovative and whimsical cuts, including star, flower, cloverleaf, kite, baguette, barrel, bullet, crescent, half moon, shield, trapeze, pentagon, hexagon, keystone, epaulet, ...
Fancy Cut Any style of diamond cutting other than the round brilliant or single cut. Fancy cuts include the marquise, emerald cut, heart shape, pear shape, keystone, half moon, kite, triangle, and many others.
Fancy cuts include the marquise, emerald cut, heart shape, pear shape, keystone, half moon, kite, triangle, and many others. Also called the "fancy-shaped" diamond or "modern cut." Return to Top » ...
American watches might have an Elgin movement and dial with a Keystone case; Cartier watches might have movements by the European Watch & Clock Company. Complete Price Guide to Watches, by Cooksey Shugart, Tom Engle, and Richard E.
The stones are aligned in a channel, sitting girdle-to-girdle. step-cut stones can rest on a track giving a "keystone" effect. Matching stones that are cut to a uniform size for use in channel settings are called "calibré-cut," as in "Eternity Rings.
(EGL) in Los Angeles and New York use this grade on their reports, as do some trade organizations (Rapaport Diamond Report), dealers and jewelers. (You can read a discussion of why this clarity grade is not needed in Jewelers' Circular Keystone ...
 See also: Stone, Jewel, Color, Diamond, Gemstone
  
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