... -4-to-5- carat -unheated-heated-vivid-blue- royal -blue-sri-lanka-sapphire- ... How much does 4 to 5 carats Sri Lankan Royal Blue Sapphire Cost ? ... <看更多>

Owing to its rarity and high demand, blue sapphire gemstone is generally available in the price range of per carat ($40 to $3080). ... <看更多>