Color variations between the product images and the actual product is expected due to various reasons including lighting, screen resolutions and display settings.
Hand-woven fabrics do occasionally have knots and irregularities but these are natural and not defects. Zari folds / creases are natural and not defects.
We recommend dry cleaning for all silk products. Other products maybe hand washed with luke-warm water and lay-flat dried. We cannot guarantee color fastness.