24k is pure gold but too soft for daily wear. Look for 18k (75% pure gold), 14k (58.3% pure), or 10k (41.7% pure) for the best balance of value and durability.
If your goal is to preserve wealth, you want pure physical gold (bars or coins) at the lowest possible markup over the global market rate. Where to Buy where to buy real gold
To buy real gold, you must first determine if you are purchasing or jewelry for personal wear . Both markets have entirely different rules, pricing structures, and trusted sellers. 24k is pure gold but too soft for daily wear