Everyone knows that gems are measured in “Карати”, и 1 gram is equivalent to 5 Карати (Ct). A 1 carat round brilliant diamond with a diameter of approximately 6.3 да 6.5 мм. Като цяло, the price of gemstones is calculated in carats. Например, if a ruby weighs 5 Карати, the total price is 55,000 RMB. […]
