The size of the global diamond industry is projected to reach nearly $140 billion by 2030, and it's easy to see why: the gemstones are sold for thousands of dollars each and remain a common ...
lab-grown diamonds can be grown in one to four weeks depending on their size. The lab-grown diamond industry has been steadily growing over the past decade as the technology improves and more ...
To the keen and well-practiced eye of the negro, however, not a diamond of the size of a pin's head remains unnoticed. Thequantity of gems collected per day amounts to from thirty-five to seventy ...