Celebrities spare no expense when popping the question with rings including dazzling diamonds to rare gemstones. Here’s a closer look at some of the most jaw ... an 8.5-carat blue diamond ...

From historic heirlooms to custom designs, modern royal women wear some of the most incredible (and expensive ... Eugenie's ring is beautifully unique and a departure from the blue sapphires ...

Another thing he did well with: the ring. Bloom proposed with a floral-inspired engagement ring that experts estimate could be worth up to $5 million, making it one of the most expensive celebrity ...