The Crown Ruby Necklace and Queen Victoria’s Crown Ruby Brooch
Interestingly, the huge rubies in this brooch and necklace set were originally opals. Queen Victoria bought the necklace in 1854 from Garrad. When Queen Alexandra inherited the necklace, she replaced the opals with rubies since she liked them more. Now Queen Elizabeth is the owner of the set that is worth about $1 million.
Emerald Necklace, Earrings, & Bracelet Set
Kate Middleton was spotted at the 71st BAFTA Awards in 2018 wearing a stunning emerald gown and matching emerald necklace, earrings, and bracelet set. This set is worth $2.5 million is owned by Kat herself.