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» Kunz. The Book of the Pearl.
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Ch. 13: Value & Commerce of Pearls
VALUES AND COMMERCE OF PEARLS
On a $5 base this necklace would be worth $50,018.75 according to the first reckoning, and $49,989.60 according to the second; on a base of $2.50 the figures would be $25,009.37 and $24,994.80 respectively.
On a $5 base this would represent a value of $49,946.30 and one of $24,973.15 on a base of $2.50. The different grouping of the pearls accounts for the slight reduction in value.
A system of estimating the value of pearls which has recently been introduced into Germany, is an adaptation of the ordinary method of squaring the number of grains and then multiplying the result by a certain base figure. The pearls are first grouped according to quality and size, and a figure is agreed upon as the multiplicator of each class. In Germany the carat is employed as the weight-unit for pearls as well as for diamonds, and in this new system the total weight of a given number of pearls of the same class is first reduced to grains ; the number of grains is then multiplied by four and the quotient is multiplied by the figure agreed upon. The resulting sum, after being divided by the number of pearls, gives the carat value of such pearls. For example, if the base figure agreed upon is 5, and we wish to find the carat worth of 4 pearls of similar size, weighing together 3-14/64 carats, the sum would be as follows :
At this rate per carat, reckoning in marks, the value of the 3-14/64 carats would be 207.20 marks. This result is identical with that obtained by the ordinary method, but the calculation is perhaps a trifle simplified.
See "Edelsteinkunde," Wilhelm Rau, Leipzig, 1907, p. 137·
Table Of Contents
Kunz. The Book of the Pearl.
Contents & Introduction
: Pearls Amongst the Ancients
: Medieval and Modern History of Pearls
: Origin of Pearls
: Structure and Forms of Pearls
: Sources of Pearls
: Pearl Fisheries of the Persian Gulf
: East African Pearl Fisheries
: Pearl Fisheries of the British Isles
: Pearl Fisheries of the South Sea Islands
: Pearl Fisheries of Venezuela & the Americas
: Pearl Culture & Pearl Farming
: Mystical & Medicinal Properties of Pearls
: Value & Commerce of Pearls
: Treatment and Care of Pearls
: Pearls as Used in Ornaments & Decoration
: Famous Pearls and Collections
: Pearls, Aboriginal Use & Discovery in Mound Graves
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