collection of gemstones by month, no gradients

accessory amethyst april aquamarine august birthstone blue brilliant cabochon carat collection crystal cushion cut december decoration diamond drawing emerald eps8 facet february garnet gem glamour glass green icon illustration isolated january jewel jewelry july june luxury march marquise may mineral month november october olivine opal oval pear pearl pendeloque peridot perspective precious red round ruby sapphire semi september set shaded shiny sparkle step stone symbol topaz treasure turquoise vector