Diamond Engagement Ring - R168/9A wider band changes everything. The R168 9 takes the classic solitaire engagement ring and gives it more presence a slightly broader 18k white gold band that sits with authority on the finger, grounding the design and making the centre stone feel even more elevated. The solitaire itself is held in a crown reflector setting, its prongs shaped to direct light back into the diamond from below, intensifying its brilliance and giving it a luminous, almost