Everyone knows that gems are measured in “quilates”, y 1 gram is equivalent to 5 quilates (Connecticut). A 1 carat round brilliant diamond with a diameter of approximately 6.3 a 6.5 milímetro. Generalmente, the price of gemstones is calculated in carats. Por ejemplo, if a ruby weighs 5 quilates, the total price is 55,000 RMB. […]
