Among the many pieces Queen Elizabeth inherited from her grandmother Queen Mary (who died in 1953) is the Queen Mary Russian Brooch, which features a square-cut diamond and square cabochon ...

Richard Mille introduces three distinct expressions of the RM 75-01 Flying Tourbillon Sapphire, echoing oceanic elegance.

When you think about gemstones, top-of-mind choices include diamonds, or even rubies, sapphires, and emeralds—the “big three” ...

For final proof that rarity is the driving value factor at jewelry auctions, the next lots were Kashmir sapphires, the prized velvety blue gems that haven’t been mined in a century—including a ...

A rare Medieval bishop's ring found by a metal detectorist has been sold for £19,000 at auction. The gold ring, which has a central hexagonal cabochon sapphire with two emeralds and two garnets ...

This collection is being led by a 1927 Cartier Art Deco bracelet adorned with a 47.07-carat Burmese cabochon sapphire flanked by two pear-shaped white diamonds weighing 9.27 and 8.60 carats.

The earrings feature cabochon sapphires surrounded by diamonds, with a central diamond connecting the two clusters. The sapphires are believed to come from the strap of Princess Diana’s Saudi ...

Princess Anne's engagement ring from Mark Phillips The centre stone on this ring is a blue cabochon sapphire. However, as opposed to Anne's current engagement ring, this one is flanked with just ...

“While both pairs showcase sapphire stones in a halo setting, the key difference lies in Diana’s earrings, which feature two cabochon sapphires, as opposed to Kate’s single-faceted sapphire ...

Anne chose another sapphire, a cabochon cut, for her second marriage in 1986. Princess Alexandra of Kent’s ring? Yes, sapphire.

The Queen's cousin Princess Alexandra, The Honourable Lady Ogilvy, was given a cabochon sapphire engagement ring by Sir Angus Ogilvy in 1962. See how it compares to Princess Anne's ring from Sir ...