Editor’s Note
This article highlights the surging market for blue diamonds, exemplified by a record-breaking $2.6 million sale at a recent Sotheby’s auction. It underscores a broader trend where these rare gems are becoming central pieces in high jewelry collections, driving significant value and global collector interest.

The precious gem market is experiencing a unique moment centered around blue diamonds. These stones have captured the attention of collectors and high jewelry enthusiasts worldwide. In the recent high-end jewelry auction held by Sotheby’s in New York, a 3.48-carat blue gem, of fancy intense blue quality and internally flawless, led the sale with a price of $2.6 million. This occurred within a total auction that surpassed $30 million.

The rarity of blue diamonds is also evident in other major 2025 sales. A 10.03-carat blue diamond known as The Mediterranean Blue sold for $21.5 million at a Sotheby’s auction in Geneva. This followed an intense bidding battle among collectors.
Historically, exceptional stones like the Oppenheimer Blue, sold for over $50 million, or the Blue Moon of Josephine, which reached nearly $48 million at auction, have set world records for blue-colored diamonds, confirming that their value transcends trends and places them at the pinnacle of the luxury market.

This interest in blue-toned gems is not only reflected in major international auctions. We also see it in the preferences of couples choosing their engagement rings during key seasons like Christmas and the start of the year. Blue stones, from intense sapphires to diamonds with unique hues, have gained relevance as symbols of personality, exclusivity, and sophistication.
Nicols, a historic Madrid-based high jewelry house founded in 1917 and renowned for its handcrafted engagement rings, integrates this trend into its collections. It does so with pieces that incorporate blue diamonds in contemporary and timeless settings. These proposals expand the traditional repertoire of solitaires and classic designs. In fact, they offer alternatives that combine the purest brilliance with a special chromatic palette—one that evokes the ocean, the sky, and the emotional values behind commitment.

In a season where jewelry becomes an expression of personal history, blue tones add an additional dimension: depth, rarity, and meaning. From an intense blue diamond at the center of an engagement ring to small touches of sapphire that enhance the design.