This Tawapa Rose Gold Plated Karen Coil Necklaces is absolutely stunning!

The measurements are as such:

The inner diameter at the top measures 4-1/8".
The inner diameter at the bottom measures 4-15/16".
The total height is 2-7/8".
The total weight is 1 pound 4 ounces (583 grams.)

This necklace is hinged and has a sturdy pin to keep it in place.