Very resilient materials, most effective for gem safety (prongs do not bend or crack effortlessly) Is usually pricey Beware glass-stuffed Ceylon Yellow Sapphires. They might glance shiny but they circumvent the divine ability from the gemstone, rendering them weakened or useless. Yellow sapphire stone is also referred to as parti-coloration https://www.tumblr.com/thegemjournal/759696203354128384/understanding-the-unique-characteristics-of-yellow?source=share