This one might be the most famous colored-stone engagement ring, and it belongs to none other than Catherine, Princess of Wales. Royal fans will know that Prince William proposed to Kate Middleton ...

Her stylist Petra Flannery added a 30-carat yellow diamond necklace from Louis Vuitton High Jewelry collection. Her chic hairstyle was inspired by the "classic architecture" of Stone's Louis ...

The 10.03-carat Mediterranean Blue gem will be the crown jewel at Sotheby’s High Jewelry ... color grading for a blue diamond from the Gemological Institute of America. Better still: The stone ...

The new high jewellery campaign brings together iconic Tiffany & Co designs with creations from its Céleste collection ...