Ключевые слова: amethyst, background, birthstone, bright, brilliant, carat, clear, collection, crystal, cut, design, diamond, emerald, expensive, facet, fashion, gem, gemstone, geological, geology, glass, jewel, jewellery, jewelry, luxury, macro, mineral, natural, nature, object, pattern, precious, purple, raw, reflection, rich, sapphire, semiprecious, set, shape, shine, shiny, slice, stone, structure, symbol, texture, transparent, treasure, white,