Blue Nile (Selling Diamonds):
Product variety: high;
Waiting time: long;
Service: cannot touch diamonds (online);
Zales (Selling Diamonds):
Product variety: low;
Waiting time: short;
Service: served by sales person (Retail store);
Blue Nile (Selling Diamonds):
Product variety: high;
Waiting time: long;
Service: cannot touch diamonds (online);
Zales (Selling Diamonds):
Product variety: low;
Waiting time: short;
Service: served by sales person (Retail store);