The Kiran watermelon have a smooth, dark green and relatively thin outer rind with subtle dark green to black stripes running the length of the fruit. The Kiran is a slightly darker color with fainter stripes than the original Kiran and also grows to be slightly larger at full maturity. The Kiran watermelon can be globular or oblong in shape and has a thinner inner rind than other varieties of watermelon. Kiran watermelon has a vibrant pink to red flesh with dark brown-black seeds. Its juicy flesh is sweet at 12 to 14 percent sugar content and it offers a slightly grainy texture.