Scarlett Johansson’s $30,000 3-carat solitaire from husband Ryan Reynolds has a retro feel that definitely complements Scarlett’s retro style. The round stone and yellow gold band are very 1960’s.

Katherine Heigl‘s 3-carat pear shaped diamond from Josh Kelley incorporates part of her mothers band. It shows she is sentimental and sees marriage as a continuation of family.

“I can’t believe it’s on my hand,” says Ashlee Simpson of her 4-carat cushion cut diamond from hubby Pete Wentz. This ring is most certainly trendy. It has a fairy-tale feel that everyone is copying.

Carmen Electra‘s $100,000 2-carat black solitaire from husband Rob Patterson very unique, and it reflects the couple’s edgy style.

Mariah Carey‘s 17-carat pink diamond from Nick Cannon is surrounded by 58 darker pink diamonds. This over the top token of love shows Mariah’s girlie side.

Parker popped the question to Eva Longoria with a air jordan 7 stunning emerald cut engagement ring set in white gold and weighing in at a whopping five carats. The engagement ring setting is a simple yet classic Tiffany prong design that emphasizes the ring’s beauty without overshadowing the exquisite appeal of the multiple gems.

Katie Holmes five carat oval-shaped diamond engagement ring set in platinum and rose gold is reminiscent of art deco rings, with its focus on a large center stone bedded in a pave setting. The unusual platinum-rose gold setting spices up the antique-style ring, adding a personalized element to a very popular look.