Color: By leaps and bounds, the colour of a yellow sapphire stone is Probably the most quintessential attribute in determining its quality. A par-superb quality yellow sapphire or Pukhraj stone need to show a lively, extreme, and eye-satisfying yellow colour. Sri Lanka’s Competitive Edge Sri Lanka’s gem and jewellery benefit https://www.tumblr.com/thegemjournal/759696203354128384/understanding-the-unique-characteristics-of-yellow?source=share