Really strong product, most effective for gem protection (prongs do not bend or break very easily) May be expensive Yellow sapphires often have much less inclusions than other colors, and they're held to higher clarity expectations than blue, pink, or padparadscha sapphires. Yellow sapphire’s relative clarity is very convenient, Considering https://www.apsense.com/article/810029-some-historical-facts-about-sri-lankan-yellow-sapp.html