From diamonds that have outlived empires to pearls worth more than a house, the world of fine jewellery is full of fascinating stories, record-breaking treasures and a few mysteries that sound almost too wild to be true.
Here are some of the most extraordinary, unusual, and downright unbelievable jewellery facts that prove these pieces are far more than just decoration – they’re history, art, and wonder, all in one.
1. The world’s most expensive diamond isn’t white, it’s pink.
The Pink Star Diamond, a flawless 59.6-carat pink diamond, stunned the world when it sold for $71.2 million at Sotheby’s Hong Kong in 2017. It took over two years to cut and polish the gem from a rough stone weighing 132.5 carats. Its breathtaking colour and perfect clarity make it one of the most extraordinary natural creations ever discovered.
2. Cleopatra once drank a pearl cocktail to show off her wealth.
According to legend, Cleopatra dissolved one of her priceless pearl earrings in vinegar and drank it, just to win a bet with Mark Antony that she could host the most expensive meal in history. Whether it’s true or not, the story perfectly captures the power jewellery has always held as a symbol of luxury and status.
3. The Hope Diamond is said to carry a deadly curse.
This deep-blue 45.52-carat diamond has been blamed for misfortune and even death among its owners, from French royalty to American socialites. Today, it’s housed safely in the Smithsonian Museum in Washington, D.C. It is insured for approximately $250 million and continues to captivate millions of visitors every year.
4. The heaviest gold ring in the world weighs more than a child.
The Najmat Taiba (“Star of Taiba”) ring tips the scales at a staggering 64 kilograms, which is about the same as an average 10-year-old. Set with 5.17 kilograms of diamonds, it’s certified by the Guinness World Records and permanently displayed in a shopping mall in Saudi Arabia. It’s more sculpture than jewellery, but it proves there’s no such thing as too much gold.
5. Some jewellery is literally out of this world.
Pieces containing meteorite or tektite are made from materials that fell to Earth from space billions of years ago. Some even contain fragments older than our planet itself. Wearing meteorite jewellery means carrying a piece of the cosmos, an ancient relic from before the Earth was born.
6. A scandalous love affair inspired Cartier’s most iconic design.
In the early 1900s, Jeanne Toussaint, Cartier’s creative director and the lover of Louis Cartier, became known for her fierce independence and style. Her spirit inspired the brand’s legendary Panthère de Cartier motif, a bold, sensual panther that remains one of the most recognisable symbols in luxury jewellery today.
7. The world’s largest emerald weighs more than 840 pounds.
Known as the Bahia Emerald, this massive gemstone was discovered in Brazil and is so huge that it’s been stored in a secret vault. Its ownership has been the subject of international legal battles, it’s valued in the hundreds of millions and is one of the most mysterious gems on the planet.
8. Queen Elizabeth II’s jewellery collection is worth billions, but she didn’t own most of it.
Her personal collection was vast, but many of the most famous pieces, including the Crown Jewels, belong to the British state. The Imperial State Crown alone features over 2,800 diamonds, plus sapphires, emeralds and rubies, a true symbol of royal heritage and craftsmanship.
9. A royal engagement ring that keeps making history.
Princess Diana’s famous sapphire engagement ring, a 12-carat oval Ceylon sapphire surrounded by 14 diamonds, was controversial at the time because it wasn’t custom-made. Yet today, it’s one of the most recognised rings in the world, now worn by Kate Middleton, and valued at well over £400,000.
10. The “Black Orlov” diamond was allegedly stolen from a Hindu idol.
Also called the Eye of Brahma Diamond, this mysterious black gem was rumoured to curse its owners with tragedy and ruin. After a string of misfortunes, it was re-cut into three smaller stones in an attempt to “break the curse”. It now sits safely in museums and private collections, still surrounded by dark legends.
11. The world’s gold is older than the dinosaurs.
Every piece of gold ever mined was created over 4 billion years ago, formed in the violent collision of neutron stars. That means the gold in your wedding ring is older than the Earth itself, a cosmic element forged in a supernova, refined by human hands, and worn as a symbol of love.
12. The world’s smallest diamond ring fits on a strand of hair.
Japanese scientists used nanotechnology to craft a microscopic gold and diamond ring so tiny it could balance on a single human hair. While it’s obviously not wearable, it’s a mind-bending demonstration of how art, science and luxury can collide.
13. A fisherman kept a $100 million pearl under his bed for luck.
In 2006, a Filipino fisherman discovered a gigantic natural pearl inside a clam and took it home as a lucky charm. He had no idea it was the world’s largest pearl, measuring over two feet long and weighing 34kg, until he showed it to a local official years later. It’s now valued at more than $100 million.
14. Not all pearls come from oysters.
The pink conch pearl, formed inside Caribbean sea snails rather than oysters, is one of the rarest and most valuable organic gems in the world. These pearls aren’t actually “true” pearls, but their soft blush colour and unique flame-like pattern make them irresistible to collectors.
15. Some of the world’s most famous gems have never been sold.
Pieces like the Koh-i-Noor diamond, part of the British Crown Jewels, are considered priceless. They’re so historically and politically significant that selling them is unthinkable. Yet, if they were ever auctioned, experts believe the bidding could surpass half a billion pounds.
Fascinated by the stories behind jewellery? Every piece has one, including yours.
Whether it’s a repair, redesign, or valuation, The Goldmarket helps keep your jewellery’s story shining for generations.
✨ Visit us in-store or online to discover the true value of what you wear.




