Throughout history, the richest people have owned or gifted their loved ones with extravagant rings, including the rarest gemstones. Here’s a look at some of the most expensive rings in the world, their unique features, and the stories behind them.  

1. The Pink Star Diamond Ring – $71.2 Million  

The Pink Star diamond ring is the most expensive ring ever sold at auction. This breathtaking piece features a 59.60-carat flawless pink diamond, classified as a Fancy Vivid Pink by the Gemological Institute of America (GIA). It was auctioned by Sotheby’s in Hong Kong in 2017 and sold for a staggering $71.2 million. The sheer size, color, and clarity of the Pink Star make it one of the rarest gems in the world.  

2. The Oppenheimer Blue Diamond Ring – $57.5 Million

This ring features a 14.62-carat Fancy Vivid Blue diamond, the largest of its kind ever sold at auction. Named after its previous owner, Sir Philip Oppenheimer, the diamond is set in a simple, elegant design that highlights its extraordinary hue. It fetched $57.5 million at a Christie’s auction in 2016.  

3. The Blue Moon Diamond Ring – $48.4 Million  

The Blue Moon diamond ring is known for its 12.03-carat Fancy Vivid Blue diamond. This flawless gemstone, mounted on a platinum band, was purchased by a Hong Kong billionaire for his daughter. The intense blue color and impeccable clarity make this ring a true masterpiece.  

4. The Graff Pink Ring – $46 Million

The Graff Pink ring is another masterpiece featuring a 24.78-carat Fancy Intense Pink diamond. Purchased by British jeweler Laurence Graff in 2010, this emerald-cut gem is mounted on a platinum band and flanked by two smaller white diamonds. The rarity of its color and size places it among the world’s most valuable rings.  

5. Bleu Royal - $43.8 million

The Bleu Royal is another most expensive ring in the world. It is a 17.61-carat  vivid blue pear-shaped Type IIb diamond. This ring also has a platinum and 18K rose gold setting with two colorless pear-shaped diamonds pointing away from the central stone. The Bleu Royal  was originally part of a private collection, but in November 2023, the rare diamond debuted at a Christie’s auction in Geneva, where it sold for $43.8 million. 

What do you think about the prices of these rings? Too expensive or the price is just right seeing they contain the rarest of diamonds?