Really durable content, most effective for gem safety (prongs usually do not bend or crack very easily) Can be highly-priced Certification: The existence of a credible gemological certification from a highly regarded and identified gem laboratory provides trustworthiness and assurance to the standard of yellow sapphire or some other gemstone. https://bookmarkplaces.com/story18044990/natural-pukhraj-from-sri-lanka-things-to-know-before-you-buy