Hand Selected Jewelry/Investment Grade Natural Gold Nuggets are the highest grade natural gold nugget you can buy, and the hardest grade to find for sale. Jewelry/Investment Grade gold nuggets are free from any significant mineralization or host rock, and they sell for a much higher premium than common grade nuggets, which are more suitable for melting than for jewelry or investment. The Mother Lode Region of California has drawn gold prospectors for many years, seeking for beautiful gold nuggets like this one. Natural gold nuggets like this one weighing in at 11.5 Grains (0.74 Gram) are exciting to find. Imagine a gold prospector finding this in the bottom of his gold pan. This one is quite long for the weight and it measures 7/16" long (12 mm). This gorgeous gold nugget has a beautiful rich color and a nice texture. We include a certificate of authenticity with every gold nugget we sell.