One ruby, weighing 25.59 carats and set between ... What Makes Red Diamond Such an Expensive Gemstone? Red diamonds are fancy-color diamonds that are so rare that only a handful are found each ...

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Precious gemstones vector illustration pack. Luxurious gems, glamor jewelry, shiny treasure. Decorative mineral stones set. Wealth, expensive present. Sapphire, ruby, emerald, topaz and diamond ...

Ruby rough is very expensive, so many cutters try to conserve as much weight ... causing an unattractive see-through area in the stone called a window. Pleochroism—the appearance of different colors ...