Emerald is the best quality product from Colombia. Ogólnie rzecz biorąc, a good-quality emerald has a market price of $10,000 za karat. Because the emerald has a very shallow bottom, low refractive index, less fire, the first emphasis is on color and cleanliness. Dlatego, to choose emeralds, Najpierw spójrz na kolor, the color should be […]
