8. At Ascot Racecourse on Friday, the Countess of Wessex wore pearl cluster earrings by Dior.
7. Infanta Elena of Spain wore a brightly colored necklace and matching earrings in shades of blue and green in Seville on Monday.
6. Queen Maxima of the Netherlands also chose blue-toned beads on Monday, this time for a meeting with President Kagame of Rwanda.
5. For a luncheon on Tuesday with President Erdogan of Turkey, Queen Mathilde of the Belgians wore diamond earrings.
4. On Friday, Queen Sofia of Spain wore a black and white statement necklace and a glittering sunflower pin for the annual Red Cross fundraiser in Madrid.
3. Princess Anne of Bourbon-Two Sicilies, Dowager Duchess of Calabria (born Princess Anne of Orleans) was the picture of elegance in pearls as she greeted well-wishers on Wednesday following the death of her husband, Infante Carlos. He was a cousin of the reigning Spanish royals; his father, Infante Alfonso, was a grandson of King Alfonso XII of Spain. Carlos and his family follow the descendants of King Juan Carlos and Queen Sofia in the line of succession to the Spanish throne. (Both of Juan Carlos’s sisters renounced their succession rights when they married.)
2. At the start of a state visit to Lithuania on Wednesday, Queen Silvia of Sweden wore pearls (including Princess Sibylla’s pearl necklace) to sign a guest book.
1. My top spot of the week goes to Princess Beatrix of the Netherlands. She glittered in diamonds — including the family’s floral bracelet, which some have speculated was a gift from the Sultan of Brunei — during a visit to Boston, where she attended an exhibit of paintings by Rembrandt and Vermeer.