2010年11月11日星期四

The Caratage (Karatage) System For Gold Jewellery


Gold jewellery/ jewelry is usually described in terms of caratage (karatage), which is an indication of its gold content, for example 18 carat or 18K. Alternatively,Pandora bracelets online shop supply pandora bracelets,pandora bracelets,Silver,Gold,Murano Glass.We sure you will like when you see their workmanship. the gold content can be described in terms of ‘fineness’, which is the gold content expressed in parts per thousand, for example 750 (which is 18 carat or 75.0% gold).
Since the price paid by the purchaser for gold jewellery is based on the amount of gold in it, it is important for the consumer to know how many carats (in USA – karats) of gold there is in the piece. Most jewellery worldwide is marked with the caratage or fineness. This may be part of a Hallmark on the jewellery (see Assaying & Hallmarking for the definition of a mark and hallmark).
Pure gold (‘fine gold’) is 24 carats (karats) and so 24 carats is theoretically 100% gold. In Chinese, it is also known as “Chuk Kam”,When you find and buy prom dress,Fromal Tuxedos,Evening tuxedos,cheap wedding dress,evening dress,bridesmaid dress from us,you could use:cheap wedding dress,Evening dress,Bridesmaid dress,Prom dress,earrings,Evening tuxedos. meaning ‘pure gold’ and is defined as 99.0% gold minimum. Thus, there is a 1.0% negative tolerance allowed in this case.
The Caratage System
Any caratage value lower than 24 is a measure of how much gold there is in the jewellery gold alloy. Thus 18 ct is 18/24ths of 100% gold = 75.0% gold. In fineness terms,We have good experience on project and package offers, thus we can save for our clients a lot of time by giving complete set of quotation for different types of ball valve, as well as spare parts. this is described as 750 fineness, i.To do so, you require scores of wholesale Bcbg dress clothing. These wholesale clothing loads are complete of quality and variety - both requisites which are essential for you and your Bcbg dress.e. 750 parts of gold per thousand parts. The table below gives the various caratages and their equivalent gold content in percent or in fineness terms as recognised by international standards. This is not always exactly the mathematical value! For example,A Great number of people think women's jewellery that they have to pay lot of bucks to look gorgeous and stylish. But that is not the true. Wholesale clothing has responded to their women's jewellery inquiry. 22 carat is mathematically 22/24ths x 100 = 91.666% but the accepted international standard is 91.60%
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