Flat band with 3mm bezel set white diamond in sterling silver or 9ct yellow, white or rose gold
6mm wide by 2.5mm thick.
Inlaid horsehair flat braid or short hair/fur/ashes set in crystal resin 3mm channel
Diamonds are available in many colours, if you would prefer a coloured stone please contact me for options/pricing.

Last pic is an example of a bezel setting from the side so you can see the height above the ring.
Hallmarked
Rings are made to measure, I send a ring sizer out when an order is placed.