The house mixed a multitude of collars from green peridots, blue tanzanite to soft pink ... set with a 4.52-carat Madagascan ...
Gemstones are slowly taking over the “Big Four,” diamonds, emeralds, rubies, and sapphires are emerging as the new favorites ...
The royal, 42, making a rare public appearance this weekend following her recovery from cancer, wore two pieces by her late mother-in-law Princess Diana.