PM gifts U.S. First lady Jill lab-grown diamond Subject : Science and Technology Context: Narendra Modi presented First Lady of the United States (FLOTUS) Jill Biden with a 7.5 carat lab-grown green diamond nan exquisite papier mâché box from Kashmir known as kar-e-kalamdani, Lab-Grown Diamonds Lab-grown diamonds (LGD) are diamonds that are produced in […]