From Gwen Stefani's $500,000 sparkler to Mariah Carey's 35-carat emerald-cut diamond, here are the most expensive celebrity ...
Amanda Holden got quite the Christmas gift from husband Chris Hughes, who reportedly upgraded her engagement ring to one ...
Blue Nile IGI Lab-Grown 0.55 Carat D-VVS1 Cushion ... Check price at Frank Darling 7. Jean Dousset Elle East-West Oval Solitaire Lab Diamond Engagement Ring Jean Dousset Elle East-West Oval ...