You don’t need a billionaire’s budget to enjoy the aura of valuable stones. Instead, invest in a certified gemstone ring with a small (<1 carat) natural stone like a demantoid garnet or spinel. These are more affordable but still have that “wow” factor.
Another tip: buy loose stones, not settings. A loose, certified Painite or Red Beryl in a simple metal box is both a conversation piece and a portable asset. You can always set it later when you have the budget for a goldsmith.
And remember: value is personal. The most valuable stone in your collection might be a simple piece of quartz picked up on a hike, because it holds a memory. That’s worth more than any carat weight.