From Stephen Webster's glittering tiaras to the Queen of Spain's Farnese Blue diamond, these are jewels, gems, and jewelry fit for (and inspired by) royalty.
By Carolyn Meers
The huge gem is the fifth largest on record.
By Rachel Garrahan
Alisa Moussaieff shares her wisdom on buying the world’s rarest gemstones as the jeweler debuts at this month’s La Biennale in Paris.