The right setting can enhance the look of a diamond.
Metal claws raise a stone to allow in the most light; four or six prongs are common.
Top ring by Tiffany & Co.; bottom ring by Asprey
Several small diamonds flank a larger center one. Ring by Kwait.
A metal rim completely surrounds the stone.
Ring by Cartier
(Pictured below, clockwise from bottom left)
Stones are sunk into holes so they are flush with the ring's surface. Ring by Lieberfarb
Metal bars separate each stone. Ring by Harry Winston
Adjacent diamonds share prongs. Ring by Ritani
Stones are side-by-side between metal bars. Ring by Precision Set