What if the world's most elusive color-changing gemstone wasn't restricted to museum vaults or the elite circles of the ultra-wealthy? You've likely admired the "emerald by day, ruby by night" allure of alexandrite, only to find that natural specimens are often prohibitively expensive or too small …

Could you truly distinguish between a stone mined from the earth and one grown in a laboratory if their atomic structures were identical? For many collectors, the search for a large, eye-clean alexandrite often ends in frustration or the lingering fear of accidentally purchasing color-change glass …