Round Genuine Blue Sapphire Cabochon Alloys No bonding material — delivers

No bonding material — delivers exceptional hardness and shape stability

controlled cutting action—ideal for knife edges

25mm footprint

Direct replacement for the original punch included with the bezel block

Round Genuine Blue Sapphire Cabochon Alloys No bonding material — deliversSapphire is one of the most popular colored stones in the United States, prized for its extraordinary durability and suitability for everyday wear. Pure corundum the mineral from which sapphire is composed is actually colorless in its purest form, but trace elements of iron and titanium produce the rich blue color these stones are known for. Pure corundum is rare in nature, and it is these trace elements that account for the wide range of colors found