Bell & Bird Half Hoop Band with Old Mine Cut DiamondsBell & Bird Cutaway Half Hoop Band 4. 73 carats A one of a kind ring in our signature cut away design. A total of 4. 73 carats of antique old mine cut diamonds are repurposed from centuries old jewels. The estimated grades of the stones range from I to L in color and VS2 SI2 in clarity. The center diamond is approximately . 75 carats. This ring features eleven unique 19th century old mine cut diamonds. Size 6. 50, can be resized with limitations. This