Najveća cena ikad plaćena za neobrađeni dijamant bila je 35.5 miliona dolara. Chow Tai Fook, najveća kompanija za izradu nakita iz Hong Konga, kupila je Cullionan Heritage od 507 karata 2010. godine. Kupovina dijamanata i cene. Uobičajena težina (karat). Kao što smo rekli karat je merna jedinica koja se koristi za dragulje.
The gold/silver ratio is simply the amount of silver required to buy a single ounce of gold. For example, if gold is at $1200 per ounce and silver is at $15 per ounce, the ratio would be calculated as $1200/$15 = 80. This means it would take 80 ounces of silver to buy a single ounce of gold. Charts of this ratio may potentially be useful, as