In some lights its a deep cornflower blue, in others a indigo flecked with purple, but any way you look at it this Montana Sapphire will having you staring at your fingers all day. Finished with brilliant white diamond clusters and Emily's signature freeform gold band. Mohs hardness scale:9 Approximate stone size: 5mm x 5mm Approximate CTW: .60cts This one of a kind piece is handmade with love in Emily's Hudson Valley studio. If you have questions about sizing, shipping or need help deciding please reach out to us! ACCOMPANYING HALO BAND SOLD SEPARATELY.