Hardy said most pink sapphires are mined on the islands of Sri Lanka and Madagascar. After all, pink is her favorite color and, she said, “sapphires are more exclusive” than diamonds. and music producer based in Los Angeles, to say she hopes that someday a pink sapphire will be the highlight of her engagement ring. It is the kind of appeal that prompted Siobhan Bell, 32, an international D.J. “When the pink sapphire crystal reflects the light, you receive to your eyes something special,” he said - and the color changes as the gem is seen from different angles.

Selim Mouzannar, the Beirut jeweler who created a one-of-a-kind white gold cuff set with pink sapphires and tsavorites ($68,640) among other pieces this season, described the pink sapphire as “soft, silky, bright pink.” You can get sharp facet edges and therefore that really helps to bring out the color.”

The beauty of the pink sapphire is rooted in the stone’s hardness, which “is second to diamond,” said Joanna Hardy, author of “Sapphire: A Celebration of Colour,” published this fall by Thames & Hudson in association with Violette Editions and Gemfields. There is a passion for pink in fashion in politics, with a pussy hat from the 2017 Women’s March now in the Smithsonian and in diamonds, like the 10-carat pink diamond that the rapper Lil Uzi Vert had implanted in his forehead - and then removed - earlier this year. Not that the princess’s ring was the primary factor.

When Princess Eugenie of Britain unveiled her pink-orange padparadscha engagement ring in early 2018, neither she nor her then-fiancé, Jack Brooksbank - who said he chose the oval gem - could have anticipated the craze for pinkish sapphires today.

Pink sapphire padparadscha