DIAMONDS, AND HOW TO VALUE THEM.
The weight and value of diamonds is j reckoned by carats of 4 grains each, and j the comparative value of two diamonds of equal quality but different weights, is as the square of these weights respectively. The average price of rough diamonds that are worth working is about £2 for one of a single carat ; but as a polished diamond of one carat, must have taken one of two carats, its price in the rough state is double the square of £2 or £8. Therefore to estimate the value of a wrought diamond, ascertain its weight in carats, double that weight, and multiply tha square of this product by £2. Hence a wrought diamond of
beyond which weight the price can no longer rise in this geometrical progression from the very small number of purchasers of such expensive toys.— Ure's Scientific Dictionary.
1 carat is worth £8 2 „ „ 32 3 „ „ 72 4 „ „ 128 5 „ „ 200 6 „ „ 288 7 „ „ 392 8 „ „ 512 9 „ „ 648 10 „ „ 800 20 „ „ 3,200
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Bibliographic details
Nelson Evening Mail, Volume VI, Issue 53, 3 March 1871, Page 2
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174DIAMONDS, AND HOW TO VALUE THEM. Nelson Evening Mail, Volume VI, Issue 53, 3 March 1871, Page 2
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