Final answer:
Key success factors in diamond retailing include quality, variety, brand reputation, customer service, and marketing efforts. Blue Nile, Zales, and Tiffany have different strategies based on their online presence, price points, and brand image.
Step-by-step explanation:
In diamond retailing, some key success factors include product quality and variety, brand reputation, customer service, and marketing efforts.
Blue Nile is known for its wide selection and competitive pricing through an online platform, while Zales focuses on brick-and-mortar stores and a range of price points. Tiffany, on the other hand, is known for its luxury brand and high-end jewelry.
Blue Nile's success is primarily driven by its e-commerce model, while Zales and Tiffany rely more on their physical presence and brand image. Each company has its own strengths and target audience, leading to different approaches in diamond retailing.