By contrast, Ronaldo’s colossal diamond, a symbol of his sporting success and taste for luxury costing a reported £7.5 million — seemed almost understated next to the royal treasure’s timeless elegance and unmatched provenance.
Jewellery expert Maxwell Stone from Steven Stone jewellers told the Daily Express that: “Princess Diana’s Saudi Sapphire necklace showcases an extraordinary 30–35 carat sapphire.”
He added: “A gemstone nearly three times the size of the central stone in her legendary engagement ring, now cherished by the Princess of Wales – surrounded by a halo of brilliant white diamonds.”
Mr Stone explained that the necklace forms the “centrepiece of an estimated £15 million parure.”
This remarkable set also includes a pair of matching sapphire and diamond earrings, a ring, and a striking bracelet.
The jewellery expert continued: “While Georgina Rodríguez’s engagement ring boasts a diamond of comparable size, the sapphire necklace surpasses it in value by several million for reasons that go far beyond carat weight.”
While diamonds are often seen as the pinnacle of luxury, sapphires of exceptional quality can outshine them in value – and Diana’s striking stone is believed to be among the very finest.
Originally presented to Diana by the Crown Prince of Saudi Arabia as a wedding gift, it pairs exquisite craftsmanship with an unparalleled backstory.
Its royal heritage adds an extra layer of prestige, linking it to a history of state occasions, family legacy, and enduring national pride.
